This document discusses various topics related to environmental chemistry and water chemistry. It provides 3 key points:
1) It discusses several biogeochemical cycles that occur in nature like the carbon, nitrogen, sulfur, and phosphorus cycles. It also explains how increasing temperature can increase the rate of chemical reactions involved in these cycles.
2) It summarizes some major properties of water like its high heat capacity and heat of vaporization, ability to form hydrogen bonds, and role as a solvent. Rising temperature would decrease the solubility of oxygen in water.
3) It outlines standards for clean water, wastewater effluent, and surface water quality. It also discusses how decomposer growth in water would
Teknik pengambilan sampel air limbah untuk pemeriksaan BOD melibatkan penyiapan botol sampel dengan mencuci dan membilasnya dengan asam klorida dan air bebas analit. Volume sampel minimal 1000 ml diambil dari lokasi yang mewakili karakteristik air limbah sebelum dan sesudah IPAL. Sampel dimasukkan ke dalam botol sambil menghindari gelembung udara dan ditutup rapat untuk disimpan maksimal 2 hari pada suhu pending
Dokumen ini membahas proses pengolahan ketiga (tertiary treatment) pada pengolahan air limbah. Pengolahan ketiga dilakukan setelah pengolahan sekunder untuk menghilangkan kontaminan yang tersisa. Beberapa metode pengolahan ketiga yang dijelaskan meliputi ultrafiltrasi, reverse osmosis, adsorpsi karbon aktif, ion exchange, saringan pasir, dan nitrifikasi serta denitrifikasi.
Sistem Pengolahan Air Limbah secara KimiaJoy Irman
Dokumen ini membahas proses pengolahan limbah cair secara kimiawi dengan menambahkan bahan kimia ke dalam air limbah untuk mengkondisikan air sebelum diolah oleh mikroorganisme. Proses kimia yang dijelaskan meliputi netralisasi, presipitasi, koagulasi dan flokulasi dengan menggunakan zat kimia seperti alum dan ferro sulfat. Dokumen ini juga membandingkan kelebihan dan kekurangan pengolahan kimia d
Dokumen tersebut memberikan informasi mengenai parameter fisika air yang meliputi bau, kekeruhan, rasa, suhu, warna, daya hantar listrik, dan kecerahan. Parameter-parameter tersebut diukur menggunakan berbagai alat seperti turbidimeter, termometer, konduktivitimeter, dan secchi disk. Hasil pengukuran parameter fisika digunakan untuk mengetahui kualitas air.
Dokumen materi tentang kontaminasi air tanah dan peran pemetaan hidrogeologi. Materi ini awalnya dikembangkan untuk kuliah hidrogeologi umum yang kemudian dikemas ulang untuk disampaikan secara daring dalam pelatihan Eco Edu GEES ITB pada tanggal 10 Oktober 2022.
#contaminantgroundwater #contaminanthydrogeology
Teknik pengambilan sampel air limbah untuk pemeriksaan BOD melibatkan penyiapan botol sampel dengan mencuci dan membilasnya dengan asam klorida dan air bebas analit. Volume sampel minimal 1000 ml diambil dari lokasi yang mewakili karakteristik air limbah sebelum dan sesudah IPAL. Sampel dimasukkan ke dalam botol sambil menghindari gelembung udara dan ditutup rapat untuk disimpan maksimal 2 hari pada suhu pending
Dokumen ini membahas proses pengolahan ketiga (tertiary treatment) pada pengolahan air limbah. Pengolahan ketiga dilakukan setelah pengolahan sekunder untuk menghilangkan kontaminan yang tersisa. Beberapa metode pengolahan ketiga yang dijelaskan meliputi ultrafiltrasi, reverse osmosis, adsorpsi karbon aktif, ion exchange, saringan pasir, dan nitrifikasi serta denitrifikasi.
Sistem Pengolahan Air Limbah secara KimiaJoy Irman
Dokumen ini membahas proses pengolahan limbah cair secara kimiawi dengan menambahkan bahan kimia ke dalam air limbah untuk mengkondisikan air sebelum diolah oleh mikroorganisme. Proses kimia yang dijelaskan meliputi netralisasi, presipitasi, koagulasi dan flokulasi dengan menggunakan zat kimia seperti alum dan ferro sulfat. Dokumen ini juga membandingkan kelebihan dan kekurangan pengolahan kimia d
Dokumen tersebut memberikan informasi mengenai parameter fisika air yang meliputi bau, kekeruhan, rasa, suhu, warna, daya hantar listrik, dan kecerahan. Parameter-parameter tersebut diukur menggunakan berbagai alat seperti turbidimeter, termometer, konduktivitimeter, dan secchi disk. Hasil pengukuran parameter fisika digunakan untuk mengetahui kualitas air.
Dokumen materi tentang kontaminasi air tanah dan peran pemetaan hidrogeologi. Materi ini awalnya dikembangkan untuk kuliah hidrogeologi umum yang kemudian dikemas ulang untuk disampaikan secara daring dalam pelatihan Eco Edu GEES ITB pada tanggal 10 Oktober 2022.
#contaminantgroundwater #contaminanthydrogeology
Sistem pengelolaan air limbah memiliki dua pilihan utama, yaitu sistem setempat (on-site) dan sistem terpusat (off-site). Sistem setempat mengolah air limbah di dalam atau dekat lokasi sumbernya menggunakan fasilitas seperti septik tank. Sistem terpusat mengalirkan seluruh air limbah ke fasilitas pengolahan terpusat melalui jaringan pipa. Pemilihan sistem ditentukan berdasarkan faktor seperti kepadatan pendu
Dokumen tersebut memberikan informasi mengenai rencana pengelolaan lingkungan dan pemantauan lingkungan untuk proyek pembangunan Manhattan Square. Rencana ini mencakup pemantauan dampak-dampak konstruksi seperti kualitas udara, air tanah, drainase, sampah, dan kebisingan serta upaya penghijauan lahan selama konstruksi. Parameter dan lokasi pemantauan ditentukan untuk memastikan dampak lingkungan dikelola sesuai peraturan.
Parameter pencemaran dan perubahan lingkungan akibat pencemaranYos F. da-Lopes
Dokumen tersebut membahas parameter-parameter untuk mengukur tingkat pencemaran lingkungan, termasuk parameter kimia, biokimia, fisik dan biologi. Parameter-parameter tersebut digunakan sebagai indikator untuk mengetahui adanya pencemaran dan seberapa parah tingkat pencemaran yang terjadi. Dokumen ini juga membahas faktor-faktor yang dapat menyebabkan perubahan lingkungan, baik karena campur tangan manusia maupun faktor alam.
Bangunan Pengolah Air Limbah secara AerobikJoy Irman
Pelatihan Penyusunan Rencana Teknis Sistem Pengelolaan Air Limbah Terpusat (SPAL-T) terdiri dari beberapa modul, yaitu: Dasar-dasar Perencanaan Teknis SPAL-T, Perencanaan Teknis Unit Pelayanan, Perencanaan Teknis Unit Pengumpulan / Jaringan Perpipaan, Perencanaan Teknis Unit Pengolahan Air Limbah, Teknologi Pengolahan Lumpur, Konstruksi Bangunan, dan Rencana Anggaran Biaya. Masing-masing Modul terdiri atas beberapa sub-modul . Peserta pelatihan dapat memilih Modul/Sub-Modul sesuai dengan kebutuhannya masing-masing.
Perencanaan Teknis IPLT - Teknologi Pengolahan Air Limbah dan LumpurJoy Irman
Pelatihan Sistem Pengelolaan Air Limbah Sistem (SPAL-S atau on-site) terdiri dari beberpa modaul, yaitu Modul (A) Dasar-dasar Pengelolaan Air Limbah Sistem Setempat (SPAL-S atau on-site), (B) Cubluk Kembar, (C) Tangki Septik dengan Bidang Resapan), (D) Mandi-Cuci-Kakus atau MCK, (E) Biofilter, (F) Upflow Aerobic Filter, (G) Rotating Biological Contactactor atau RBC, (H) Anaerobic Bafle Reactor, (I) Sarana Pengangkut Tinja, dan (J) Instalasi Pengolahan Lumpur Tinja (IPLT).
Masing-masing Modul tersebut terdiri lagi dari beberapa sub-modul yang menjelaskan mengenai aspek-aspek (1) Perencanaan Teknis, (2) Pelaksanaan Konstruksi, (3) Operasional, Pemeliharaan dan Rehabilitasi, (4) Kelembagaan, Administrasi dan Keuangan, (5) Pemantauan dan Evaluasi. Peserta pelatihan dapat memilih Modul/Sub-Modul sesuai dengan kebutuhannya masing-masing.
Dokumen tersebut membahas tentang baku mutu air limbah domestik dan pengendalian pencemaran air. Terdapat parameter-parameter yang harus dipenuhi untuk air limbah domestik seperti pH, BOD, TSS, dan lemak/minyak. Upaya pengendalian meliputi pengurangan pencemaran di sumber dan pengolahan air limbah secara alami maupun sistematis.
Teknik pengolahan limbah dengan "bar screening" digunakan untuk menyaring limbah cair dan memisahkan limbah padat berukuran besar. Alat bar screening menggunakan jeruji logam untuk menyaring limbah cair sehingga partikel padat yang lebih besar tertahan sedangkan cairan dapat mengalir. Proses ini penting untuk mengurangi beban limbah dan memulihkan bahan bermanfaat serta mencegah penyumbatan peralatan.
Pergub jatim 52 2014 jo 72 2013 baku mutu air limbah industriDewi Hadiwinoto
Pemerintah Indonesia berencana mengembangkan industri pariwisata dengan membangun objek-objek wisata baru dan memperbaiki fasilitas yang ada. Hal ini bertujuan untuk meningkatkan jumlah wisatawan mancanegara yang datang ke Indonesia. Pemerintah berharap langkah ini dapat mendorong pertumbuhan ekonomi dan menciptakan lapangan kerja baru.
Bangunan Pengolah Air Limbah secara AnaerobikJoy Irman
Pelatihan Penyusunan Rencana Teknis Sistem Pengelolaan Air Limbah Terpusat (SPAL-T) terdiri dari beberapa modul, yaitu: Dasar-dasar Perencanaan Teknis SPAL-T, Perencanaan Teknis Unit Pelayanan, Perencanaan Teknis Unit Pengumpulan / Jaringan Perpipaan, Perencanaan Teknis Unit Pengolahan Air Limbah, Teknologi Pengolahan Lumpur, Konstruksi Bangunan, dan Rencana Anggaran Biaya. Masing-masing Modul terdiri atas beberapa sub-modul . Peserta pelatihan dapat memilih Modul/Sub-Modul sesuai dengan kebutuhannya masing-masing.
proses pengelolaan air limbah secara kimiamun farid
Dokumen tersebut membahas proses pengelolaan air limbah secara kimia yang terdiri atas netralisasi, presipitasi/pengendapan, dan koagulasi serta flokulasi untuk menghilangkan zat-zat pencemar. Keuntungan proses ini adalah penghilangan total zat pencemar anorganik dengan peralatan yang lebih sederhana, namun juga menambah beban garam logam pada air keluar.
PerMenLHK 38 Tahun 2019 ttg Kegiatan Wajib AMDALWahyu Yuns
Peraturan Menteri ini mengatur tentang jenis rencana usaha dan/atau kegiatan yang wajib memiliki Analisis Mengenai Dampak Lingkungan Hidup (Amdal). Jenis usaha dan/atau kegiatan yang wajib Amdal meliputi yang berdampak penting terhadap lingkungan hidup, dilakukan di kawasan lindung, atau berbatasan langsung dengan kawasan lindung. Kategori Amdal terdiri dari A, B, atau C, ditentukan berdasark
TPST merupakan tempat pengolahan sampah secara terpadu yang melakukan pemisahan, pencucian, pengemasan, dan pengiriman produk daur ulang. TPST perlu memiliki fasilitas pre-processing, pemilahan, pengolahan fisik dan kimia, serta pengolahan lain seperti kompos dan RDF. Perancangan TPST meliputi analisis material, identifikasi pemanfaatan, perhitungan akumulasi dan kapasitas, serta penentuan tata letak dan luas lahan
Teks tersebut membahas mengenai sumber air baku dan rancangan bangunan pengambilan. Sumber air baku yang digunakan adalah air sungai Lenovo dengan debit 1,4 liter/detik. Teks ini juga menjelaskan berbagai jenis bangunan pengambilan air seperti direct intake, indirect intake, dan spring intake beserta komponen-komponennya seperti screen, pompa intake, dan kriteria desainnya.
This document discusses various parameters for water quality analysis including physical, chemical and biological parameters. It provides methods for analyzing parameters like turbidity, pH, BOD, COD and various metals. It also lists maximum allowable limits of substances in drinking water according to different standards. Microbiological parameters and their standards according to WHO and EU are also listed.
- Liquid and solid waste streams generated during unconventional gas extraction in Appalachia include flowback water, drilling muds and cuttings.
- Flowback water contains high levels of inorganics like salts as well as organics like benzene and has total dissolved solids over 70,000 mg/L.
- Drilling cuttings can be radioactive and leach metals like barium, arsenic and lead that exceed drinking water standards.
- Proper management of wastes through practices like recycling, lining of pits and containment is needed to reduce risks to the environment and human health.
Sistem pengelolaan air limbah memiliki dua pilihan utama, yaitu sistem setempat (on-site) dan sistem terpusat (off-site). Sistem setempat mengolah air limbah di dalam atau dekat lokasi sumbernya menggunakan fasilitas seperti septik tank. Sistem terpusat mengalirkan seluruh air limbah ke fasilitas pengolahan terpusat melalui jaringan pipa. Pemilihan sistem ditentukan berdasarkan faktor seperti kepadatan pendu
Dokumen tersebut memberikan informasi mengenai rencana pengelolaan lingkungan dan pemantauan lingkungan untuk proyek pembangunan Manhattan Square. Rencana ini mencakup pemantauan dampak-dampak konstruksi seperti kualitas udara, air tanah, drainase, sampah, dan kebisingan serta upaya penghijauan lahan selama konstruksi. Parameter dan lokasi pemantauan ditentukan untuk memastikan dampak lingkungan dikelola sesuai peraturan.
Parameter pencemaran dan perubahan lingkungan akibat pencemaranYos F. da-Lopes
Dokumen tersebut membahas parameter-parameter untuk mengukur tingkat pencemaran lingkungan, termasuk parameter kimia, biokimia, fisik dan biologi. Parameter-parameter tersebut digunakan sebagai indikator untuk mengetahui adanya pencemaran dan seberapa parah tingkat pencemaran yang terjadi. Dokumen ini juga membahas faktor-faktor yang dapat menyebabkan perubahan lingkungan, baik karena campur tangan manusia maupun faktor alam.
Bangunan Pengolah Air Limbah secara AerobikJoy Irman
Pelatihan Penyusunan Rencana Teknis Sistem Pengelolaan Air Limbah Terpusat (SPAL-T) terdiri dari beberapa modul, yaitu: Dasar-dasar Perencanaan Teknis SPAL-T, Perencanaan Teknis Unit Pelayanan, Perencanaan Teknis Unit Pengumpulan / Jaringan Perpipaan, Perencanaan Teknis Unit Pengolahan Air Limbah, Teknologi Pengolahan Lumpur, Konstruksi Bangunan, dan Rencana Anggaran Biaya. Masing-masing Modul terdiri atas beberapa sub-modul . Peserta pelatihan dapat memilih Modul/Sub-Modul sesuai dengan kebutuhannya masing-masing.
Perencanaan Teknis IPLT - Teknologi Pengolahan Air Limbah dan LumpurJoy Irman
Pelatihan Sistem Pengelolaan Air Limbah Sistem (SPAL-S atau on-site) terdiri dari beberpa modaul, yaitu Modul (A) Dasar-dasar Pengelolaan Air Limbah Sistem Setempat (SPAL-S atau on-site), (B) Cubluk Kembar, (C) Tangki Septik dengan Bidang Resapan), (D) Mandi-Cuci-Kakus atau MCK, (E) Biofilter, (F) Upflow Aerobic Filter, (G) Rotating Biological Contactactor atau RBC, (H) Anaerobic Bafle Reactor, (I) Sarana Pengangkut Tinja, dan (J) Instalasi Pengolahan Lumpur Tinja (IPLT).
Masing-masing Modul tersebut terdiri lagi dari beberapa sub-modul yang menjelaskan mengenai aspek-aspek (1) Perencanaan Teknis, (2) Pelaksanaan Konstruksi, (3) Operasional, Pemeliharaan dan Rehabilitasi, (4) Kelembagaan, Administrasi dan Keuangan, (5) Pemantauan dan Evaluasi. Peserta pelatihan dapat memilih Modul/Sub-Modul sesuai dengan kebutuhannya masing-masing.
Dokumen tersebut membahas tentang baku mutu air limbah domestik dan pengendalian pencemaran air. Terdapat parameter-parameter yang harus dipenuhi untuk air limbah domestik seperti pH, BOD, TSS, dan lemak/minyak. Upaya pengendalian meliputi pengurangan pencemaran di sumber dan pengolahan air limbah secara alami maupun sistematis.
Teknik pengolahan limbah dengan "bar screening" digunakan untuk menyaring limbah cair dan memisahkan limbah padat berukuran besar. Alat bar screening menggunakan jeruji logam untuk menyaring limbah cair sehingga partikel padat yang lebih besar tertahan sedangkan cairan dapat mengalir. Proses ini penting untuk mengurangi beban limbah dan memulihkan bahan bermanfaat serta mencegah penyumbatan peralatan.
Pergub jatim 52 2014 jo 72 2013 baku mutu air limbah industriDewi Hadiwinoto
Pemerintah Indonesia berencana mengembangkan industri pariwisata dengan membangun objek-objek wisata baru dan memperbaiki fasilitas yang ada. Hal ini bertujuan untuk meningkatkan jumlah wisatawan mancanegara yang datang ke Indonesia. Pemerintah berharap langkah ini dapat mendorong pertumbuhan ekonomi dan menciptakan lapangan kerja baru.
Bangunan Pengolah Air Limbah secara AnaerobikJoy Irman
Pelatihan Penyusunan Rencana Teknis Sistem Pengelolaan Air Limbah Terpusat (SPAL-T) terdiri dari beberapa modul, yaitu: Dasar-dasar Perencanaan Teknis SPAL-T, Perencanaan Teknis Unit Pelayanan, Perencanaan Teknis Unit Pengumpulan / Jaringan Perpipaan, Perencanaan Teknis Unit Pengolahan Air Limbah, Teknologi Pengolahan Lumpur, Konstruksi Bangunan, dan Rencana Anggaran Biaya. Masing-masing Modul terdiri atas beberapa sub-modul . Peserta pelatihan dapat memilih Modul/Sub-Modul sesuai dengan kebutuhannya masing-masing.
proses pengelolaan air limbah secara kimiamun farid
Dokumen tersebut membahas proses pengelolaan air limbah secara kimia yang terdiri atas netralisasi, presipitasi/pengendapan, dan koagulasi serta flokulasi untuk menghilangkan zat-zat pencemar. Keuntungan proses ini adalah penghilangan total zat pencemar anorganik dengan peralatan yang lebih sederhana, namun juga menambah beban garam logam pada air keluar.
PerMenLHK 38 Tahun 2019 ttg Kegiatan Wajib AMDALWahyu Yuns
Peraturan Menteri ini mengatur tentang jenis rencana usaha dan/atau kegiatan yang wajib memiliki Analisis Mengenai Dampak Lingkungan Hidup (Amdal). Jenis usaha dan/atau kegiatan yang wajib Amdal meliputi yang berdampak penting terhadap lingkungan hidup, dilakukan di kawasan lindung, atau berbatasan langsung dengan kawasan lindung. Kategori Amdal terdiri dari A, B, atau C, ditentukan berdasark
TPST merupakan tempat pengolahan sampah secara terpadu yang melakukan pemisahan, pencucian, pengemasan, dan pengiriman produk daur ulang. TPST perlu memiliki fasilitas pre-processing, pemilahan, pengolahan fisik dan kimia, serta pengolahan lain seperti kompos dan RDF. Perancangan TPST meliputi analisis material, identifikasi pemanfaatan, perhitungan akumulasi dan kapasitas, serta penentuan tata letak dan luas lahan
Teks tersebut membahas mengenai sumber air baku dan rancangan bangunan pengambilan. Sumber air baku yang digunakan adalah air sungai Lenovo dengan debit 1,4 liter/detik. Teks ini juga menjelaskan berbagai jenis bangunan pengambilan air seperti direct intake, indirect intake, dan spring intake beserta komponen-komponennya seperti screen, pompa intake, dan kriteria desainnya.
This document discusses various parameters for water quality analysis including physical, chemical and biological parameters. It provides methods for analyzing parameters like turbidity, pH, BOD, COD and various metals. It also lists maximum allowable limits of substances in drinking water according to different standards. Microbiological parameters and their standards according to WHO and EU are also listed.
- Liquid and solid waste streams generated during unconventional gas extraction in Appalachia include flowback water, drilling muds and cuttings.
- Flowback water contains high levels of inorganics like salts as well as organics like benzene and has total dissolved solids over 70,000 mg/L.
- Drilling cuttings can be radioactive and leach metals like barium, arsenic and lead that exceed drinking water standards.
- Proper management of wastes through practices like recycling, lining of pits and containment is needed to reduce risks to the environment and human health.
Nipigon Secondary Wastewater Treatment Report, March 2013.
The report was prepared by Town of Nipigon Engineer Geoff Aitken in March, 2013 and summarizes operations of the Nipigon secondary wastewater treatment plant.
This document describes inductively coupled plasma atomic emission spectroscopy (ICP-AES) and its applications. ICP-AES involves using inductively coupled plasma to excite sample atoms and ions, causing them to emit electromagnetic radiation at wavelengths characteristic of the elements present. This allows simultaneous multi-element analysis. The document discusses various applications of ICP-AES in environmental analysis, petrochemical analysis, metallurgy, geology, food analysis and more. It also provides details on instrumentation parameters, detection limits, sample preparation and references.
Nutrient Leaching and Groundwater Quality Assessment near Integrated Construc...Mawuli Dzakpasu
The document summarizes a study assessing nutrient leaching and groundwater quality near an integrated constructed wetland treating domestic wastewater. Key findings include:
1) The constructed wetland was very effective at removing nutrients like ammonia, nitrates, and phosphates from wastewater, achieving over 80% removal on average.
2) Leachate from the wetland cells contained high levels of ammonia but generally low levels of nitrates and phosphates.
3) Low infiltration rates from the wetland may not immediately threaten groundwater quality.
4) Groundwater nutrient levels were generally low except near sites with peat in the soil, which saw slightly elevated ammonia levels.
This document discusses potable water standards in India. It provides the guidelines and standards for various physical, chemical, bacteriological, and radiological parameters as set by the WHO and in India. Key parameters discussed include color, taste, odor, turbidity, total dissolved solids, pH, essential and toxic inorganic chemicals, organic compounds, and bacteria. The history of water treatment and various sources of contamination are also summarized. Standards aim to ensure drinking water is safe for human consumption and aesthetically acceptable.
A report released May 9, 2012 by the National Resources Defense Council critical of the current methods of handling wastewater that results from hydraulic fracturing of natural gas wells in Pennsylvania. The report details the problems (as they see them), and recommended solutions, which include stricter government controls.
The document reviews water quality data from a source over three years to design a water treatment plant. It analyzes parameters like pesticides, nitrogen, hardness, conductivity, metals, microorganisms, radioactivity, turbidity, color, and TOC. Based on the data, the source water is characterized as a surface water source in an agricultural area with some livestock. A risk assessment is then conducted to identify control measures and monitoring needs for the water safety plan. Finally, a treatment plant design is proposed to address parameters like coliform removal, cryptosporidium reduction, disinfection byproducts, and the removal of turbidity, manganese, aluminum, and pesticides.
Quality of drinking water in ships wo cost r3 june 2012simoschem
The document discusses three proposals for measuring parameters of drinking water quality on ships. Proposal 1 involves measuring 15 parameters as listed in the WHO Guide to Ship Sanitation Table 1. Proposal 2 measures 31 parameters, including additional chemical parameters and microbiological tests. Proposal 3 is described as an extended analysis but its parameters are not detailed. All proposals involve on-site measurement of pH, conductivity, hardness, chlorine, temperature and turbidity, and transport of samples to a lab within 48 hours at 5°C. Proper training and documentation of sampling procedures is emphasized.
This document provides information about water treatment processes and ion exchange resins used in water purification. It discusses the sources and types of water impurities and how treatment methods like coagulation with polyaluminum chloride, filtration through activated carbon filters, and ion exchange with resins like strong acid cation and weak acid cation can remove various contaminants. It also provides specifications for the ion exchange resins and details their chemical properties and manufacturing processes.
This document summarizes analytical chemistry techniques for determining the nature and quantity of substances in environmental samples. It discusses methods such as hydride generation atomic absorption spectrometry for elements like arsenic, inductively coupled plasma atomic emission spectrometry for its ability to analyze over 70 elements simultaneously, and anodic stripping voltammetry for its high sensitivity in detecting various heavy metals in parts-per-billion concentrations from water samples. The document also outlines techniques for speciating different forms of elements like arsenic and lead based on their behavior under various analytical conditions.
Analysis of Disinfection Byproducts by Ion Chromatography
In this presentation, the use of ion chromatography for the determination of bromate, chlorate and haloacetic acids for compliance monitoring according to various ISO standards (15061, 11206, 10304-4, 23631) and U.S. EPA Method 557 will be discussed. Examples will include IC methods using electrolytically generated hydroxide eluents on an RFIC™ system.
This document establishes water quality criteria for surface waters in the Philippines according to their classification and designated uses. It defines six classes for fresh surface waters (AA, A, B, C, D) and four classes for coastal and marine waters (SA, SB, SC, SD) based on their intended uses such as public water supply, recreation, fisheries, agriculture and industry. Water quality parameters like dissolved oxygen, pH, BOD, coliforms, toxic substances and temperature are specified for each class. The document also identifies significant wastewater parameters for selected industries to regulate their discharges.
Routine analysis of wastewaters quality parametersArvind Kumar
This document discusses parameters for analyzing waste water quality. It describes the objectives of waste water analysis which include monitoring treatment plant efficiency. Physical analyses examine characteristics like color and odor, while chemical analyses determine substance amounts. Key parameters discussed include biochemical oxygen demand (BOD), chemical oxygen demand (COD), dissolved oxygen, pH, nitrogen, and solids. BOD testing measures oxygen consumed by bacteria breaking down organic matter over time. COD testing uses chemical oxidization to similarly assess ability to consume oxygen. Their ratio provides information on a waste water's biodegradability.
Presentation describes the effects of phosphate brine on the gas permeability of a sandstone core. The results show that phosphate brine reduced gas permeability by more than 90%
This presentation is about online sensors for sidestream treatment of centrate in wastewater. This is a description of a sensor evaluation performed at Los Angeles County Sanitation District JWPCP during a pilot study of centrate treatment.
01 issues of in situ leach method gorbatenkoMonatom Mgl
This document discusses uranium resources and in-situ leaching (ISL) mining in Kazakhstan. It notes that Kazakhstan has over 1,700,000 tons of identified and prospective uranium resources, over 70% located in sandstone deposits. Kazatomprom operates 25 ISL mines across 14 companies. ISL involves injecting sulfuric acid to dissolve uranium minerals and pumping the solution to surface. Key parameters of ISL operations and issues of well filter clogging/colmatation are reviewed. Ways to address colmatation include airlift pumping, pneumatic impulse treatment, and acid reagent treatment.
This document summarizes a study investigating heavy metal removal from wastewater using sulfate-reducing bacteria in an inverse fluidized bed reactor at different pH levels. The key findings are:
1) Optimal pH for sulfate and COD removal was 7, but pH 5 and 4 still provided valuable organic matter removal as a pretreatment.
2) Metal removal in the reactor was over 90% for zinc and copper at pH 7 and 5, but selective recovery was not possible. At pH 4, zinc removal was 70% and copper removal was 95%.
3) Batch experiments showed selective recovery was possible at pH 3, with fast precipitation of zinc and copper sulfides removing 40-50% of metals immediately
This document discusses the various forms and oxidation states of nitrogen that are important for the environment and water resources. It outlines the key nitrogen species including ammonia, nitrogen gas, nitrous oxide, nitrogen dioxide, dinitrogen pentoxide, nitric oxide, and dinitrogen trioxide. It describes how some of these forms interact with water to form ionic species like ammonium, nitrite, and nitrate which are of environmental concern. The document also discusses analytical methods for measuring different nitrogen species in water and wastewater. It outlines the biological nitrogen removal process during wastewater treatment which involves nitrification and denitrification to remove approximately 90% of nitrogen.
This document describes NIOSH Method 7300 for analyzing multiple elements from air samples using inductively coupled plasma atomic emission spectroscopy (ICP-AES). The method involves collecting air samples on filters then digesting the filters using nitric and perchloric acids. The digestates are then analyzed via ICP-AES to determine concentrations of elements like aluminum, arsenic, barium, beryllium, calcium, cadmium, cobalt and others. The method aims to simultaneously analyze over 20 elements within the working range of 0.005 to 2.0 mg/m3 from a 500 L air sample. Precision and accuracy were determined using spiked filters but were not fully evaluated.
Similar to 1 dasar-dasar reaksi dan sifat kimia alam (20)
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The document discusses strategies for overcoming the fear of public speaking. It notes that public speaking is Americans' number one fear, even exceeding the fear of death. It then provides tips for dealing with stage nerves, including remembering that the audience is composed of ordinary people and using a conventional speaking style. The document also outlines four common methods for preparing and delivering a speech and emphasizes the importance of practice to improve vocal techniques, body language, and use of space. Overall, the document offers guidance on preparing, practicing, and presenting an effective public speaking presentation.
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This document provides a recipe for a spicy fried chicken sandwich. It calls for buttermilk-marinated chicken cutlets that are dredged in flour and fried, then served on a bun with mayonnaise, lettuce, and tomato. The buttermilk marinade adds heat and tenderness to the chicken. It also includes a recipe for homemade Cajun seasoning to dust the chicken with before frying. Optional toppings like melted cheese or coleslaw are also suggested.
Clive Staples Lewis (1898-1963) adalah novelis, cendekiawan, dan broadcaster asal Inggris yang dikenal karena karya fantasi dan apologetik Kristennya. Ia lahir di Irlandia dan mengajar di Oxford selama hampir 30 tahun. Karya terkenalnya antara lain The Chronicles of Narnia dan Mere Christianity.
How to Build a Module in Odoo 17 Using the Scaffold MethodCeline George
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A workshop hosted by the South African Journal of Science aimed at postgraduate students and early career researchers with little or no experience in writing and publishing journal articles.
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...PECB
Denis is a dynamic and results-driven Chief Information Officer (CIO) with a distinguished career spanning information systems analysis and technical project management. With a proven track record of spearheading the design and delivery of cutting-edge Information Management solutions, he has consistently elevated business operations, streamlined reporting functions, and maximized process efficiency.
Certified as an ISO/IEC 27001: Information Security Management Systems (ISMS) Lead Implementer, Data Protection Officer, and Cyber Risks Analyst, Denis brings a heightened focus on data security, privacy, and cyber resilience to every endeavor.
His expertise extends across a diverse spectrum of reporting, database, and web development applications, underpinned by an exceptional grasp of data storage and virtualization technologies. His proficiency in application testing, database administration, and data cleansing ensures seamless execution of complex projects.
What sets Denis apart is his comprehensive understanding of Business and Systems Analysis technologies, honed through involvement in all phases of the Software Development Lifecycle (SDLC). From meticulous requirements gathering to precise analysis, innovative design, rigorous development, thorough testing, and successful implementation, he has consistently delivered exceptional results.
Throughout his career, he has taken on multifaceted roles, from leading technical project management teams to owning solutions that drive operational excellence. His conscientious and proactive approach is unwavering, whether he is working independently or collaboratively within a team. His ability to connect with colleagues on a personal level underscores his commitment to fostering a harmonious and productive workplace environment.
Date: May 29, 2024
Tags: Information Security, ISO/IEC 27001, ISO/IEC 42001, Artificial Intelligence, GDPR
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This presentation includes basic of PCOS their pathology and treatment and also Ayurveda correlation of PCOS and Ayurvedic line of treatment mentioned in classics.
Main Java[All of the Base Concepts}.docxadhitya5119
This is part 1 of my Java Learning Journey. This Contains Custom methods, classes, constructors, packages, multithreading , try- catch block, finally block and more.
LAND USE LAND COVER AND NDVI OF MIRZAPUR DISTRICT, UPRAHUL
This Dissertation explores the particular circumstances of Mirzapur, a region located in the
core of India. Mirzapur, with its varied terrains and abundant biodiversity, offers an optimal
environment for investigating the changes in vegetation cover dynamics. Our study utilizes
advanced technologies such as GIS (Geographic Information Systems) and Remote sensing to
analyze the transformations that have taken place over the course of a decade.
The complex relationship between human activities and the environment has been the focus
of extensive research and worry. As the global community grapples with swift urbanization,
population expansion, and economic progress, the effects on natural ecosystems are becoming
more evident. A crucial element of this impact is the alteration of vegetation cover, which plays a
significant role in maintaining the ecological equilibrium of our planet.Land serves as the foundation for all human activities and provides the necessary materials for
these activities. As the most crucial natural resource, its utilization by humans results in different
'Land uses,' which are determined by both human activities and the physical characteristics of the
land.
The utilization of land is impacted by human needs and environmental factors. In countries
like India, rapid population growth and the emphasis on extensive resource exploitation can lead
to significant land degradation, adversely affecting the region's land cover.
Therefore, human intervention has significantly influenced land use patterns over many
centuries, evolving its structure over time and space. In the present era, these changes have
accelerated due to factors such as agriculture and urbanization. Information regarding land use and
cover is essential for various planning and management tasks related to the Earth's surface,
providing crucial environmental data for scientific, resource management, policy purposes, and
diverse human activities.
Accurate understanding of land use and cover is imperative for the development planning
of any area. Consequently, a wide range of professionals, including earth system scientists, land
and water managers, and urban planners, are interested in obtaining data on land use and cover
changes, conversion trends, and other related patterns. The spatial dimensions of land use and
cover support policymakers and scientists in making well-informed decisions, as alterations in
these patterns indicate shifts in economic and social conditions. Monitoring such changes with the
help of Advanced technologies like Remote Sensing and Geographic Information Systems is
crucial for coordinated efforts across different administrative levels. Advanced technologies like
Remote Sensing and Geographic Information Systems
9
Changes in vegetation cover refer to variations in the distribution, composition, and overall
structure of plant communities across different temporal and spatial scales. These changes can
occur natural.
বাংলাদেশের অর্থনৈতিক সমীক্ষা ২০২৪ [Bangladesh Economic Review 2024 Bangla.pdf] কম্পিউটার , ট্যাব ও স্মার্ট ফোন ভার্সন সহ সম্পূর্ণ বাংলা ই-বুক বা pdf বই " সুচিপত্র ...বুকমার্ক মেনু 🔖 ও হাইপার লিংক মেনু 📝👆 যুক্ত ..
আমাদের সবার জন্য খুব খুব গুরুত্বপূর্ণ একটি বই ..বিসিএস, ব্যাংক, ইউনিভার্সিটি ভর্তি ও যে কোন প্রতিযোগিতা মূলক পরীক্ষার জন্য এর খুব ইম্পরট্যান্ট একটি বিষয় ...তাছাড়া বাংলাদেশের সাম্প্রতিক যে কোন ডাটা বা তথ্য এই বইতে পাবেন ...
তাই একজন নাগরিক হিসাবে এই তথ্য গুলো আপনার জানা প্রয়োজন ...।
বিসিএস ও ব্যাংক এর লিখিত পরীক্ষা ...+এছাড়া মাধ্যমিক ও উচ্চমাধ্যমিকের স্টুডেন্টদের জন্য অনেক কাজে আসবে ...
5. Environmental
Chemistry
• Is the study of the
sources, reactions, tra
nsport, effects, and
fates of chemical
species in
water, soil, air, and
living
environments, and the
effects of technology
thereon
15. Beberapa impact teknologi pada
lingkungan
• Agricultural perubahan
lahan, drainase, irigasi, pestisida
• Manufacturing polusi udara, polusi air, by-
produk limbah hazard dsb
• Extraksi and produksi mineral kerusakan
lingkungan dan polusi
• Produksi Energi dan penggunaannya
kerusakan lahan/tanah, polusi air
(garam), emisi polutan udara (hujan asam) dsb
• Transportasi Modern automobile, perubahan
struktur tanah (jalan), emisi polusi
udara, peningkatan penambangan minyak dsb
16. technology can be applied to minimize
environmental impact
• maximum energy efficiency, maximum
utilization of raw materials, and minimum
production of pollutant by-products
• minimize pollution problems
• maximum materials recycling and minimum
waste product production
• advanced biotechnologies
• catalysts for efficient synthesis
• minimize waste production
17. Dasar-dasar Reaksi dan Sifat
Kimia Alam
Reaksi-reaksi Kimia Air
AF Assomadi
Warmadewanthi
Kuliah Kimia Lingkungan I
18.
19. Sanitation Condition
• Kurang dari 1% air siap pakai di dunia yang
layak digunakan.
• 10 negara pengguna air terbesar :
India, China, AS, Pakistan, Jepang, Thailand, In
donesia, Bangladesh, Meksiko dan Rusia
• 20% penggunaan air secara global bersumber
dari air bawah tanah.
20. 1.1
• Pada tahun 2030, 47% penduduk dunia hidup
dalam kelangkaan air
• Kebutuhan air sehari hari adalah 20-50
liter/org/hari yang bebas dari kontaminasi
• 87% populasi dunia-5,7 miliar minum dari air
olahan
• 2,5 miliar orang hidup dalam sanitasi yang
buruk
21. 1.2
• Global warming - menyebabkan 2 miliar orang
terkena dampak bencana dan 86% akibat
banjir dan kekeringan
• Kenaikan suhu 3-4 0 C 300 orang
mengungsi akibat bencana ini.
25. Air
• Struktur terdiri atas 2 atom H
dan 1 atom O dalam setiap
molekulnya
• Struktur bersudut 105 o
moment dipol tidak nol
(polar)
• Kemampuan sangat besar
membentuk ikatan hidrogen
(kelarutan
molekul, logam, suspensi)
• Pelarut yang universal
• Kapasitas panas tinggi
• Densitas terbesar pada 4 oC
(jaminan kelangsungan
hidup)
27. Water Chemistry
The polarity of water causes it to be cohesive and
adhesive.
Polarity unequal charge distribution in a molecule resulting in a –
region and a + region
cohesion: water molecules stick to other water
molecules by hydrogen bonding
adhesion: water molecules stick to other polar
molecules by hydrogen bonding
27
37. Properties of Water
1. Water has a high specific heat.
- A large amount of energy is required to change
the temperature of water.
2. Water has a high heat of vaporization.
- The evaporation of water from a surface causes
cooling of that surface.
37
38. Properties of Water
3. Solid water is less dense than liquid water.
- Bodies of water freeze from the top down.
38
40. Properties of Water
4. Water is a good solvent.
- Water dissolves
polar molecules and
ions.
40
41. Properties of Water
5. Water organizes nonpolar molecules.
- hydrophilic: “water-loving”
-hydrophobic: “water-fearing”
- Water causes hydrophobic molecules to
aggregate or assume specific shapes.
6. Water can form ions.
H2O OH-1 + H+1
hydroxide ion hydrogen ion
41
Ionization; happens spontaneously
42. KELOMPOK
1. Berdasarkan properties of water, jika temperature di
dalam air naik, maka bagaimana dengan kelarutan
oksigen di dalam air ? (NAIK atau TURUN)
2. Sebutkan reaksi-reaksi kimia di dalam air ? Jika suhu
naik dalam air, maka bagaimana dengan kecepatan
proses tersebut? (MENINGKAT atau MELAMBAT)
3. Dalam siklus biogeokimia, decomposer berfungsi untuk
mendekomposisi bahan organik. Jika suhu naik dalam
air, maka bagaimana dengan pertumbuhan atau
perkembang biakan decomposer tersebut?
(MENINGKAT atau MELAMBAT)
43. STANDAR BAKU MUTU
AIR BERSIH atau AIR MINUM
Fisik Kimia Biologi
• Suhu • pH • E Coli
• Kekeruhan • DO • Total
• Conductivity • BOD Coliform
44. Syarat Air Minum
No Parameter Satuan Hasil Analisa Metode Analisa
*)
A. FISIKA
1 Bau - - -
2 Total Disolved Solid (TDS) mg/L 500 Gravimetri
3 Kekeruhan Skala NTU 5 Turbidimetri
4 Rasa - - -
o
5 Suhu C Suhu Udara Termometer
6 Warna Unit PtCo 15 Spektrofotometri
7 Daya Hantar Listrik (DHL) mhos/cm - Conductivity meter
B. KIMIA
a. Kimia Anorganik
1 Air Raksa mg/L Hg 0.001
2 Aluminium mg/L Al 0.2 AAS
3 Ammoniak mg/L NH3 -N 1.5 Spektrofotometri
4 Arsen mg/L As 0.01 AAS
5 Barium mg/L Ba 0.7 AAS
6 Besi mg/L Fe 0.3 Spektrofotometri
7 Boron mg/L B 0.5
8 Fluorida mg/L F 1.5 Spektrofotometri
9 Kadmium mg/L Cd 0.003 AAS
10 Kesadahan Total mg/L CaCO3 500 Tetrimetri
11 Khlorida mg/L Cl 250 Argentometri
6+
12 Kromium, Valensi 6 mg/L Cr 0.05 AAS
13 Mangan mg/L Mn 0.4 Spektrofotometri
14 Natrium mg/L Na 200 AAS
15 Nikel mg/l Ni 0.07 AAS
16 Nitrat mg/L NO3 -N 50 Spektrofotometri
17 Nitrit mg/L NO2 -N 3 Spektrofotometri
18 Perak mg/L Ag 0.001 AAS
19 pH - 6,5 - 8,5 pHmeter
20 Selenium mg/L Se 0.01
7 Seng mg/L Zn 3 AAS
22 Sianida mg/L CN 0.07 Spektrofotometri
23 Sulfat mg/L SO4 250 Spektrofotometri
24 Sulfida mg/L H2 S 0.05 Iodimetri
25 Tembaga mg/L Cu 2
26 Timbal mg/L Pb 0.05 AAS
27 Sisa Khlor mg/L Cl2 5 Iodimetri
b. Kimia Organik
1 Zat Organik mg/L KMnO4 10 Oksidasi/Titrimetri
2 Detergent mg/L LAS 0.05 Spektrofotometri
C. BAKTERIOLOGI
1 Total Koliform MPN/100 mL 0 Fermentasi Multi Tabung
2 E. Coli MPN/100 mL 0 Fermentasi Multi Tabung
*) : Per. Men.Kes. No.: 492/Menkes/Per/IV/2010 Tanggal 19 April 2010
45. AIR LIMBAH Efluent Standar
No Parameter Satuan Baku Mutu Hasil Metode
Air Limbah Analisa Analisa
Domestik *)
1 pH - 6-9 pHmeter
2 TSS mg/L 100 Gravimetri
3 BOD mg/L O2 100 Winkler
4 Minyak & mg/L 10 Gravimetri
Lemak
46. AIR PERMUKAAN Stream Standar
Baku Mutu Air
No Parameter Satuan Hasil Analisa Metoda Analisa
Kelas I *)
A. FISIKA
o
1 Temperatur C deviasi 3 Termometer
2 Total Disolved Solid (TDS) mg/L 1000 Gravimetri
3 Padatan Tersuspensi (SS) mg/L 50 Gravimetri
B. KIMIA
1 pH - 6,0 - 9,0 pH meter
2 Barium mg/L Ba 1 AAS
3 Besi mg/L Fe 0.3 Spektropotometri
4 Boron mg/L B 1 AAS
5 Mangan mg/L Mn 0.1 Spektropotometri
6 Tembaga mg/L Cu 0.02 AAS
7 Seng mg/L Zn 0.05 AAS
6+
8 Krom Heksavalen mg/L Cr 0.05 AAS
9 Kadmium mg/L Cd 0.01 AAS
10 Raksa mg/L Hg 0.001 AAS
11 Timbal mg/L Pb 0.03 AAS
12 Arsen mg/L As 0.05 AAS
13 Selenium mg/L Se 0.0 AAS
14 Kobalt mg/L Co 0.2 AAS
15 Khlorida mg/L Cl - Argentometri
16 Sulfat mg/L SO4 400 Spektropotometri
17 Sianida mg/L CN 0.02 Spektropotometri
18 Sulfida mg/L H2S 0.002 Iodometri
19 Fluorida mg/L F 0.5 Spektropotometri
20 Sisa Khlor Bebas mg/L Cl2 0.03 Iodometri
21 Total Phospat mg/L PO4 -P 0.2 Spektropotometri
22 Nitrat mg/L NO3 -N 10 Spektropotometri
23 Nitrit mg/L NO2 -N 0.06 Spektropotometri
24 Amonia Bebas mg/L NH3-N 0.5 Spektropotometri
25 BOD mg/L O2 2 Winkler
26 COD mg/L O2 10 Reflux/Titrimetri
27 Disolved Oxygen (DO) mg/L O2 6 Iodometri
28 Detergent Anionik mg/L LAS 0.2 Spektropotometri
29 Fenol mg/L 0.001 Spektropotometri
30 Minyak & Lemak mg/L 1 Gravimetri
*) = PP. No. 82 Tahun 2001 Tanggal 14 Desember 2001
47. Baku Mutu Air Laut
SAMPLE REGULATORY
NO. TEST DESCRIPTION UNIT METHOD
RESULT LIMIT*
I. Physical Properties
1 Odour Odourles s - Odor SNI 06-6860-2002
Total Sus pended Solids ,
2 50 80 m g/L SNI 06-6989.3-2004
TSS
3 Was te - Nihil -
4 Tem perature 29 Air Tem p. ± 3 oC SNI 06-6989.23-2005
II. Chemical Properties
5 pH 7.43 6.5 - 8.5 - SNI 06-6989.11-2004
6 Salinity (NaCl) 25.3 Nature 0%
7 Free Am m onium , NH3-N <0.01 0.3 m g/L SNI 06-6986.30-2005
8 Sulfida,H2S 3 0.03 m g/L SNI 6989.70-2009
9 Phenol <0.005 0.002 m g/L SNI 06-6989.21-2004
10 Surfactants , MBAS <0.025 1 m g/L SNI 06-6989.51-2005
11 Oil and Greas e <2.7 5 m g/L SNI 06-6989.10-2004
III. Dissolved Metal
12 Mercury, Hg** <0.000002 0.003 m g/L APHA 3112 B-2005
13 Cadm ium , Cd 0.176 0.01 m g/L SNI 6989.16-2009
14 Tem baga,Cu <0.0014 0.05 m g/L SNI 6989.6-2009
15 Lead, Pb 0.2 0.05 m g/L SNI 6989.8-2009
16 Zinc, Zn 0.125 0.1 m g/L SNI 06-6989.7-2004
III. Biology
Total Coliform (Mem brane
17 <1 1000 MPN/100m l APHA 9222 B-2005
Filter)**
Sumber: Hasil Monitoring Lingkungan KLHS KKJSS, 27 Juni 2012
Per MenLH No. 52 Tahun 2004
48. KONDISI KUALITAS AIR TANAH
(sumber : Survey Kualitas Lingkungan [air, udara dan laut])
49. KONDISI KUALITAS AIR PERMUKAAN
(sumber : Survey Kualitas Lingkungan [air, udara dan laut])
50. PLANKTON & BENTHOS PERAIRAN LAUT
(sumber : Survey Kualitas Lingkungan [air, udara dan laut])
Pseudo- Thalassionema Larva naupulius Larva
Skeletonema
nitzchia Nitzchioides cirripedia Brachyura
Menunjukkan kadar nutrient di Produktivitas laut tinggi
laut sangat tinggi seperti dan tidak ada
konsentrasi nitrogen dan pencemaran akibat
phosphat pestisida
PENCEMARAN DARI AIR
PERMUKAAN
51. Water Quality Parameters
Temperature - Dissolved Oxygen (DO) - pH
Alkalinity - Hardness
Nitrates and Phosphates - Turbidity
Conductivity
-
52. Temperature
Affects:
Water density
The solubility
Chemical reaction rates
Organism growth rates
Conductivity
pH
Dissolved Oxygen
53. Contoh : Jika CuO, di dalam air dengan suhu 250C
mempunyai log Kso = 10 7.644 dan entalphy adalah -15.504
kcal/mol atau – 64.90 kJ/mol. Berapa solubility dari CuO
jika temperature di dalam air turun 10oC
55. Q10 rule
cold-blooded aquatic organisms
Predicts that growth rate will double
if temperature increases by 10˚C
(18˚F) within their "preferred" range.
57. Oksigen di Air
• O2 dibutuhkan terlarut di air untuk menjaga
reaksi oksidasi-reduksi, respirasi, degradasi dst
• Kelarutan O2 di air tergantung temperatur, pd
25 oC sekitar 8,5 mg/L; pada 0oC 14,74
mg/L
• Dihasilkan dari proses fotosintesis
alga/tumbuhan hijau di air dan proses aerasi
58. Henry’s Law
Henry’s Law Constant
For example, oxygen is 20.95% of the
air on a molar basis and, therefore, PO2 is
20.95% of the atmospheric pressure,
or 0.2095 atm under standard conditions.]
60. Dissolved Oxygen (DO)
DO is the measurement of oxygen
dissolved in water and available for
fish and other aquatic life.
Indicates health of an aquatic system.
Can range from 0-18 ppm.
Most natural water systems require 5-
6 ppm to support a diverse population.
Varies with time of day, weather, temperature.
61.
62.
63.
64. Dissolved Oxygen (DO)
Increase in organic waste
Increase in algae/plant vegetation
Decrease in DO available to organisms
Leads to changes in ecosystem as
organisms needing lots of DO are
replaced by organisms needing little.
69. pH - p(otential of) H(ydrogen)
Determines the solubility of nutrients (PO4-3, NO3-, C)
and heavy metals (Fe, Cu, etc)
Determines availability of these chemicals for use by aquatic life.
In natural water systems, determined largely by geology and soils.
70. pH of natural waters
Limestone, marble, CO3 rich
due to humic acid
Sea water
Pure rain, snow
71.
72. Factors that affect pH
• Algal blooms
• Bacterial activity
• Water turbulence
• Chemicals flowing into the water body
• Sewage overflows
• Pollution
73. How pH affects aquatic life
Decreasing pH
(e.g.: via acid rain)
Liberation of Al, metals
Toxic conditions
Chronic stress
Smaller, weaker fish
74. Alkalinity refers to the capability of water to neutralize acid.
Alkalinity
Buffering capacity –
resistance to pH changes.
Common natural buffer: CO3
(carbonates – like
limestone).
Protects aquatic life.
Commonly linked to water
hardness.
In natural systems:
Limestone outcrop 50 – 150 mg/L as CaCO3.
75. Hardness
Reflects dissolved
carbonate minerals.
Mostly of concern for
drinking water
standards.
Metals precipitate out
of solution.
Create scale/hard
water deposits
High alkalinity
Hard water
76. and
Nitrate (NO3-)
Phosphate (PO4-3)
naturally-occurring
naturally occurs in
form of nitrogen
rocks and minerals.
found in soil.
Plants uptake
Forms by microbial
weathered-out
decomposition of
elements and
fertilizers, plants,
compounds.
manures or other
organic residues
Animals ingest plants.
Plants uptake
Water soluble.
nitrates (Spinach a
good source).
Redfield Ratio: 106:16:1
77.
78. Artificial sources:
• Livestock
manure/urine
Nitrates • Failing septic
systems
• Synthetic fertilizers
Can lead to:
eutrophication of natural
water systems
(overproduction of
vegetation)
Blue baby syndromne
The U.S. EPA has set a maximum
contaminant level for NO3- in drinking
water of 10 parts per million (ppm)
79. Phosphates
Artificial sources:
• Sewage
• Laundry,
cleaning fluids
• Synthetic
fertilizers
Can also lead to
eutrophication of
natural water
systems
(overproduction of
vegetation)
Blue green algae
80. 1990 and 1999 comparison
of Nitrates in Great Lakes
From US EPA
http://www.epa.gov/glnpo/monitoring/limnology/SprNOx.html
82. Turbidity
Measures how
“murky” the water is
Estimates:
Mineral fraction
Organics
Inorganics
Soluble organic compounds
Plankton
Microscopic organisms
MODIS Image from NASA
http://rapidfire.sci.gsfc.nasa.gov/
83. Causes of highly waters
• In open waters, phytoplankton
• Closer to shore, particulates
Resuspended bottom sediments
(wind)
• Organic from stream and/or
wastewater discharges.
• Channelization
• Increased flow rates
•Too many bottom-feeding fish
(such as carp)
84. Effects of highly waters
• Modify light penetration
• Increase sedimentation rate
• Smother benthic habitats
• Settling clay particles
• Fine particulate material also can
damage sensitive structures
• Decrease organism resistance to disease
• Prevent proper egg and larval development
• Macrophyte growth may be decreased
• Reduced photosynthesis can lead to lower daytime release of oxygen
85.
86. Conductivity
Ability of a substance to conduct an electrical current.
Cl- In water, conductivity determined by types and quantities of dissolved
solids. (Commonly called Total Dissolved Solids = TDS)
Current carried by ions (negatively or
positively charged particles).
Cl- Cl- Cl- Cl-
Na+
Na+ Na+ Na+ Na+
Eg: NaCl(aq) = Na + + Cl –
Cl- Cl- Cl- Cl-
Cl- Na+ Na+ Na+ Na+
Cl- Cl- Cl- Cl-
Cl- Na+ Na+ Na+ Na+ Na+
Na+ Cl- Cl- Cl- Cl-
Na+ Cl- Na+ Na+ Na+ Na+
Na+
Cl-
87. Conductivity
Conductivity of natural waters depends upon:
Ion characteristics (mobility, valence, concentration)
Water temperature
Geology
Size of watershed
Evaporation
Some artificial factors that can affect conductivity:
Wastewater
Urban runoff (especially road salt)
Agricultural runoff
The living organisms (biota) in an aquatic ecosystem autotrophic or heterotrophic. Autotrophic organisms utilize solar or chemical energyto fix elements from simple, nonliving inorganic material into complex life moleculesthat compose living organisms. Algae are the most important autotrophic aquaticorganisms because they are producers that utilize solar energy to generate biomassfrom CO2 and other simple inorganic species.Heterotrophic organisms utilize the organic substances produced by autotrophicorganisms as energy sources and as the raw materials for the synthesis of their ownbiomass. Decomposers (or reducers) are a subclass of the heterotrophic organismsThe ability of a body of water to produce living material is known as its productivity.Productivity results from a combination of physical and chemical factors, requires an adequate supply of carbon (CO2), nitrogen (nitrate),phosphorus (orthophosphate), and trace elements such as iron. Water of lowproductivity generally is desirable for water supply or for swimming. Relatively highproductivity is required for the support of fish and to serve as the basis of the foodchain in an aquatic ecosystem. Excessive productivity results in decay of the biomassproduced, consumption of dissolved oxygen, and odor production, a condition calledeutrophication
However, aquatic life is strongly influenced by the physical and chemical properties of the body of water inwhich it lives. Temperature, transparency, and turbulence are the three main physicalproperties affecting aquatic life. Very low water temperatures result in very slowbiological processes, whereas very high temperatures are fatal to most organisms. Thetransparency of water is particularly important in determining the growth of algae.Turbulence is an important factor in mixing processes and transport of nutrients andwaste products in water. Some small organisms (plankton) depend upon watercurrents for their own mobility.Dissolved oxygen (DO) frequently is the key substance in determining the extentand kinds of life in a body of water. Oxygen deficiency is fatal to many aquatic animalssuch as fish. The presence of oxygen can be equally fatal to many kinds ofanaerobic bacteria. Biochemical oxygen demand, BOD, discussed as a waterpollutant in Section 7.9, refers to the amount of oxygen utilized when the organicmatter in a given volume of water is degraded biologically.Carbon dioxide is produced by respiratory processes in water and sediments andcan also enter water from the atmosphere. Carbon dioxide is required for thephotosynthetic production of biomass by algae and in some cases is a limiting factor.High levels of carbon dioxide produced by the degradation of organic matter in watercan cause excessive algal growth and productivity.The salinity of water also determines the kinds of life forms present. Irrigationwaters may pick up harmful levels of salt. Marine life obviously requires or toleratessalt water, whereas many freshwater organisms are intolerant of salt
H2O + CO2 H2CO3Proporsidari H2CO3 yang terbentuksangatkecildanlebihdominanadalahkelarutandari CO2 di air. H2CO3 H+ + HCO3-, pH naikmakajumlah proton akanberkurangdidalam air sehinggareaksibergeserkearahkananHCO3- H+ + CO32-, pH naiklagi proton berkurangsehingga ion carbonate yang dominanaKesetimbanganinidominandalam buffering effect pH didalam air danjugaterkaitdengan acidity dan alkalinity.
The temperature effect on the solubility of gases in water is especially important inthe case of oxygen. The solubility of oxygen in water decreases from 14.74 mg/L at0°C to 7.03 mg/L at 35°C. At higher temperatures, the decreased solubility ofoxygen, combined with the increased respiration rate of aquatic organisms, frequentlycauses a condition in which a higher demand for oxygen accompanied by lowersolubility of the gas in water results in severe oxygen depletion.Oxygen is produced bythe photosynthetic action of algae, but this process is really not an efficient means ofoxygenating water because some of the oxygen formed by photosynthesis during thedaylight hours is lost at night when the algae consume oxygen as part of theirmetabolic processes. When the algae die, the degradation of their biomass alsoconsumes oxygen