This document summarizes a study that characterized greywater and treated it using a Moving Bed Biofilm Reactor (MBBR). The study investigated how various factors like flow rate, hydraulic retention time, and MBBR fill rate affected the reactor's performance in removing organic matter from greywater. The researchers found that a flow rate of 60 L/d, hydraulic retention time of 36 hours, and MBBR fill rate of 30% produced the highest COD removal efficiency of 87.45%. The MBBR media provided a large surface area for microbial growth and effectively treated greywater.
Treatability study of cetp wastewater using physico chemical process-a case s...eSAT Publishing House
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology.
Evaluation of Anaerobic Fluidized Bed Reactor for treating Sugar mill effluen...IJERA Editor
Anaerobic treatment processes are credible options for providing sustainable treatment to biodegradable waste streams. The Anaerobic Fluidized Bed Reactor (AFBR) is an evolving process that requires waste specific design methodologies based on kinetics of the specific process. The research was precisely an experimental study on AFBR having23.56 litres of effective volume to evaluate its treatment performance and gas recovery in terms of Chemical Oxygen Demand (COD), Hydraulic Retention Time(HRT)and Organic Loading Rate (OLR). The synthetic sugar influent COD was variedfrom 1500 to 4000 mg/lit. The OLR for the operating flow rates were ranged from 1.36 to 28.8 Kg COD/m3.day for HRT varied from 3.2 to 24 hrs. The maximum COD removal efficiency is 90.06 at an operating OLR of 3.42 Kg COD/m3.day. The maximum biogas yield was observed at 0.28 m3/kg COD removed.
Treatability study of cetp wastewater using physico chemical process-a case s...eSAT Publishing House
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology.
Evaluation of Anaerobic Fluidized Bed Reactor for treating Sugar mill effluen...IJERA Editor
Anaerobic treatment processes are credible options for providing sustainable treatment to biodegradable waste streams. The Anaerobic Fluidized Bed Reactor (AFBR) is an evolving process that requires waste specific design methodologies based on kinetics of the specific process. The research was precisely an experimental study on AFBR having23.56 litres of effective volume to evaluate its treatment performance and gas recovery in terms of Chemical Oxygen Demand (COD), Hydraulic Retention Time(HRT)and Organic Loading Rate (OLR). The synthetic sugar influent COD was variedfrom 1500 to 4000 mg/lit. The OLR for the operating flow rates were ranged from 1.36 to 28.8 Kg COD/m3.day for HRT varied from 3.2 to 24 hrs. The maximum COD removal efficiency is 90.06 at an operating OLR of 3.42 Kg COD/m3.day. The maximum biogas yield was observed at 0.28 m3/kg COD removed.
The purpose of this article is to evaluate the possibilities of using denitrification
dephosphatation to enhance biogenic compounds removal in the wastewater treatment
plant using a separated nitrification process on a fixed-film. The analysis was based on
the multi-variant simulations of the combined system, fixed-film activated sludge
performance. Activated sludge ASIM 2D model which is linked to the model of
pollutions transformations in fixed-film was used. The analyses were performed based
on the input parameters (wastewater averaged daily rate, pH, COD values, total
suspended solids, total Kjeldahl nitrogen, nitrate nitrogen, total phosphorus, and
alkalinity). The results indicated that there is a possibility of including fixed-film in the
activated sludge technology in order to improve nitrogen and phosphorus removal from
the wastewater. Nitrification process will be performed in fixed-film, whereas nitrogen
and phosphorus removal from the wastewater will be performed in anoxic chambers
which are operated by the activated sludge technology. Denitrifying dephosphatation
process guarantees a high level of total phosphorus reduction (81%) if the whole easily
decomposable substrate is consumed by microorganisms in the anoxic chamber in the
presence of enough nitrates.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
Optimization of ultrasonicated membrane anaerobic system (umas) for sewage sl...eSAT Journals
Abstract Ultrasonicated Membrane Anaerobic System UMAS was successfully used for sewage sludge treatment and biogas production. Central Composite Design and Response Surface Methodology were used to determine the optimum conditions in which UMAS produce a maximum content of methane in the biogas produced. The effects of three variables namely pH, chemical oxygen demand (COD) and organic loading rate (OLR) on methane content were evaluated individually and interactively. The optimum conditions obtained were pH 7.74, COD 1061.06 Mg/l and OLR 0.90 kg/m3d. The predicted maximum percentage of methane was 89.72 % and confirmed close to RSM result. Keywords: Optimization, Response Surface Methodology, Sewage Sludge, Ultrasonic, Membrane, Anaerobic Digestion.
Removal of fluoride from drinking water by adsorption onto Activated Alumina ...IJERA Editor
The ability of activated alumina and activated carbon to remove Fluoride from aqueous solution has been investigated. The studies were carried out as functions of contact time, concentration and pH. The data indicate that activated alumina surface sites are heterogeneous in nature and that fits into a heterogeneous site binding model. The optimum pH for complete removal of Fluoride from aqueous solution were described. The rate of fluoride removal was rapid during several time intervals of time, and equilibrium was attained were described in detailed.
Anaerobic Treatment of Textile Wastewater using EGSBIJSRD
In this study expanded granular sludge bed (EGSB) reactor has been used to investigate the removal efficiency of chemical oxygen demand (COD), and color of textile wastewater. Synthetic Textile wastewater was treated in an EGSB reactor seeded with non granular anaerobic sludge from UASB reactor treating sugar mill wastewater of Badagandi sugar mill at Badagandi village, Bagalkot district, Karnataka, India and active septic tank. The initial volatile suspended solid concentration was 20.40 g/L. The study was carried out at ambient temperature 29ºC to 37ºC in the laboratory scale reactors of 8.4 L effective volume. Reactor was fed with macro and micro nutrients. Successful reactor startup with granulation was achieved within 13 days of operation using Chitosan as polymer. During startup the hydraulic retention times (HRT) was kept constant for 12 hrs. A maximum COD removal efficiency of 89.95% was achieved at organic loading rate (OLR) of about 8 KgCOD/m3/d. And the maximum bio gas production was 20.4 l/d. During operation period synthetic textile wastewater was fed step by step with increasing concentration of 25%, 50% and 75% of influent COD (5000 mg/L) respectively. Loading was increased by reducing HRT to 6 hrs, 3 hrs, 1.5 hrs and 1 hr respectively. Results indicated that anaerobic treatment of textile wastewater was possible with the supplementation of an external carbon source in the form of glucose (600mg/L). The corresponding maximum COD and color removals were 78.4% and 69% respectively for HRT of 1.5 hrs and OLR of 80 Kg COD/m3/d at ambient temperature.
The purpose of this article is to evaluate the possibilities of using denitrification
dephosphatation to enhance biogenic compounds removal in the wastewater treatment
plant using a separated nitrification process on a fixed-film. The analysis was based on
the multi-variant simulations of the combined system, fixed-film activated sludge
performance. Activated sludge ASIM 2D model which is linked to the model of
pollutions transformations in fixed-film was used. The analyses were performed based
on the input parameters (wastewater averaged daily rate, pH, COD values, total
suspended solids, total Kjeldahl nitrogen, nitrate nitrogen, total phosphorus, and
alkalinity). The results indicated that there is a possibility of including fixed-film in the
activated sludge technology in order to improve nitrogen and phosphorus removal from
the wastewater. Nitrification process will be performed in fixed-film, whereas nitrogen
and phosphorus removal from the wastewater will be performed in anoxic chambers
which are operated by the activated sludge technology. Denitrifying dephosphatation
process guarantees a high level of total phosphorus reduction (81%) if the whole easily
decomposable substrate is consumed by microorganisms in the anoxic chamber in the
presence of enough nitrates.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
Optimization of ultrasonicated membrane anaerobic system (umas) for sewage sl...eSAT Journals
Abstract Ultrasonicated Membrane Anaerobic System UMAS was successfully used for sewage sludge treatment and biogas production. Central Composite Design and Response Surface Methodology were used to determine the optimum conditions in which UMAS produce a maximum content of methane in the biogas produced. The effects of three variables namely pH, chemical oxygen demand (COD) and organic loading rate (OLR) on methane content were evaluated individually and interactively. The optimum conditions obtained were pH 7.74, COD 1061.06 Mg/l and OLR 0.90 kg/m3d. The predicted maximum percentage of methane was 89.72 % and confirmed close to RSM result. Keywords: Optimization, Response Surface Methodology, Sewage Sludge, Ultrasonic, Membrane, Anaerobic Digestion.
Removal of fluoride from drinking water by adsorption onto Activated Alumina ...IJERA Editor
The ability of activated alumina and activated carbon to remove Fluoride from aqueous solution has been investigated. The studies were carried out as functions of contact time, concentration and pH. The data indicate that activated alumina surface sites are heterogeneous in nature and that fits into a heterogeneous site binding model. The optimum pH for complete removal of Fluoride from aqueous solution were described. The rate of fluoride removal was rapid during several time intervals of time, and equilibrium was attained were described in detailed.
Anaerobic Treatment of Textile Wastewater using EGSBIJSRD
In this study expanded granular sludge bed (EGSB) reactor has been used to investigate the removal efficiency of chemical oxygen demand (COD), and color of textile wastewater. Synthetic Textile wastewater was treated in an EGSB reactor seeded with non granular anaerobic sludge from UASB reactor treating sugar mill wastewater of Badagandi sugar mill at Badagandi village, Bagalkot district, Karnataka, India and active septic tank. The initial volatile suspended solid concentration was 20.40 g/L. The study was carried out at ambient temperature 29ºC to 37ºC in the laboratory scale reactors of 8.4 L effective volume. Reactor was fed with macro and micro nutrients. Successful reactor startup with granulation was achieved within 13 days of operation using Chitosan as polymer. During startup the hydraulic retention times (HRT) was kept constant for 12 hrs. A maximum COD removal efficiency of 89.95% was achieved at organic loading rate (OLR) of about 8 KgCOD/m3/d. And the maximum bio gas production was 20.4 l/d. During operation period synthetic textile wastewater was fed step by step with increasing concentration of 25%, 50% and 75% of influent COD (5000 mg/L) respectively. Loading was increased by reducing HRT to 6 hrs, 3 hrs, 1.5 hrs and 1 hr respectively. Results indicated that anaerobic treatment of textile wastewater was possible with the supplementation of an external carbon source in the form of glucose (600mg/L). The corresponding maximum COD and color removals were 78.4% and 69% respectively for HRT of 1.5 hrs and OLR of 80 Kg COD/m3/d at ambient temperature.
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
Study on Performance of Membrane Bioreactor (MBR) system at various temperatu...AM Publications
The study on performance of sidestream membrane bioreactor (MBR) was studied by varying temperature (30oC, 33oC and 40oC)
along with crossflow velocity (1m/s, 1.5m/s and 2 m/s).CFV and temperature had significant effect on performance of sidestream MBR.
Performance was studied by analysing COD removal (%), flux declination, Transmembrane pressure, mixed liquor suspended solid
concentration. Maximum COD removal was 93% is obtained at 30oC with CFV 1.5 m/s. Flux declination is large at 30oC as compared to flux
declination at 33oC and 40oC temperatures for all CFVs. Sludge production in terms of MLSS, is large at 30oC and minimum at 40oC. This
high concentration of MLSS is responsible for large COD removal as well as increased in membrane fouling which cause large flux
declination. It is observed that high CFV causes less flux declination tends to large permeate flux. By visual perception it is observed that at
higher temperature, bioreactor content was more turbid than at low temperature this means that, large bioflocs get segregated and cause fast
scouring on membrane surface, it resultsslow down of permeate flux declination. Selection parameter (SP) was used to optimize the
operational condition of MBR system. Largest value of SP was treated as optimum value for operation of sidestream MBR. Thus, condition T
= 33oC, CFV = 2 m/s gave highest SP value 27 lit/m2-hr, and may be recommended for treating wastewater of COD 1092 mg/lit. Comparison
of side stream MBR with submerged MBR system was carried out, and it is observed that sidestream MBR data is best suitable for waste
water treatment.
Treatability study of cetp wastewater using physico chemical process-a case s...eSAT Journals
Abstract The present study is focused on a Common Effluent Treatment Plant (CETP) located at Umaraya, District Baroda. Waste water from about thirty five small and medium scale industries majorly comprising of chemical manufacturing and pharmaceutical industries are treated in this CETP. The incoming wastewater was collected and mixed to prepare samples. They were then oxidized by Fenton’s reagent (Fe2+/H2O2) reduction in COD and BOD were observed at different H2O2 and FeSO4 doses to determine the optimum values. Thereafter pretreated wastewater was subjected to filtration with ordinary charcoal and COD and BOD reductions were noted.COD and BOD reduction of 64.35% and 68.57% respectively was achieved by Fenton’s reagent and after filtration the values were well within the disposal standards. The results clearly indicate that conventional system should be replaced by physicochemical process like oxidation and filtration. Index Terms: CETP, COD and BOD reduction, Fenton’s Reagent, Charcoal Filtration
High organic loaded wastes and wastewater creates environmental pollution. The textile wastewater is a serious environmental challenge faced by Bangladesh textile sub sector. The textile wastewater contains organic compounds and synthetic chemicals. Certain chemicals which are used in the textile industry cause environmental or health problems. Due to presence of chemicals, it cause instance allergic skin reaction or even cause cancer. Environmental degradation by the industrial sector is a matter of serious concern in Bangladesh. Textile processing industries is one of the most important industries of Bangladesh with regard to production, export and labor force employment. The major raw material for textile processing is grey fabric and most of materials consist of cotton and blended fabric. Textile processing employs a variety of chemicals depending on the nature of raw material and products such as; enzymes, detergents, dyes, acids, soda and salt. The textile wastewater is a highly polluted in terms of organic matter and suspended matter such as fibers, grease and chemicals. The textile wastewater is usually hot and alkaline with strong smell and color due to use of chemicals dyes. Studies reveled that wastewater from textile industry is highly toxic and has inhibitory effects on an activated sludge and nitrification.
Immunizing Image Classifiers Against Localized Adversary Attacksgerogepatton
This paper addresses the vulnerability of deep learning models, particularly convolutional neural networks
(CNN)s, to adversarial attacks and presents a proactive training technique designed to counter them. We
introduce a novel volumization algorithm, which transforms 2D images into 3D volumetric representations.
When combined with 3D convolution and deep curriculum learning optimization (CLO), itsignificantly improves
the immunity of models against localized universal attacks by up to 40%. We evaluate our proposed approach
using contemporary CNN architectures and the modified Canadian Institute for Advanced Research (CIFAR-10
and CIFAR-100) and ImageNet Large Scale Visual Recognition Challenge (ILSVRC12) datasets, showcasing
accuracy improvements over previous techniques. The results indicate that the combination of the volumetric
input and curriculum learning holds significant promise for mitigating adversarial attacks without necessitating
adversary training.
Overview of the fundamental roles in Hydropower generation and the components involved in wider Electrical Engineering.
This paper presents the design and construction of hydroelectric dams from the hydrologist’s survey of the valley before construction, all aspects and involved disciplines, fluid dynamics, structural engineering, generation and mains frequency regulation to the very transmission of power through the network in the United Kingdom.
Author: Robbie Edward Sayers
Collaborators and co editors: Charlie Sims and Connor Healey.
(C) 2024 Robbie E. Sayers
Automobile Management System Project Report.pdfKamal Acharya
The proposed project is developed to manage the automobile in the automobile dealer company. The main module in this project is login, automobile management, customer management, sales, complaints and reports. The first module is the login. The automobile showroom owner should login to the project for usage. The username and password are verified and if it is correct, next form opens. If the username and password are not correct, it shows the error message.
When a customer search for a automobile, if the automobile is available, they will be taken to a page that shows the details of the automobile including automobile name, automobile ID, quantity, price etc. “Automobile Management System” is useful for maintaining automobiles, customers effectively and hence helps for establishing good relation between customer and automobile organization. It contains various customized modules for effectively maintaining automobiles and stock information accurately and safely.
When the automobile is sold to the customer, stock will be reduced automatically. When a new purchase is made, stock will be increased automatically. While selecting automobiles for sale, the proposed software will automatically check for total number of available stock of that particular item, if the total stock of that particular item is less than 5, software will notify the user to purchase the particular item.
Also when the user tries to sale items which are not in stock, the system will prompt the user that the stock is not enough. Customers of this system can search for a automobile; can purchase a automobile easily by selecting fast. On the other hand the stock of automobiles can be maintained perfectly by the automobile shop manager overcoming the drawbacks of existing system.
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdffxintegritypublishin
Advancements in technology unveil a myriad of electrical and electronic breakthroughs geared towards efficiently harnessing limited resources to meet human energy demands. The optimization of hybrid solar PV panels and pumped hydro energy supply systems plays a pivotal role in utilizing natural resources effectively. This initiative not only benefits humanity but also fosters environmental sustainability. The study investigated the design optimization of these hybrid systems, focusing on understanding solar radiation patterns, identifying geographical influences on solar radiation, formulating a mathematical model for system optimization, and determining the optimal configuration of PV panels and pumped hydro storage. Through a comparative analysis approach and eight weeks of data collection, the study addressed key research questions related to solar radiation patterns and optimal system design. The findings highlighted regions with heightened solar radiation levels, showcasing substantial potential for power generation and emphasizing the system's efficiency. Optimizing system design significantly boosted power generation, promoted renewable energy utilization, and enhanced energy storage capacity. The study underscored the benefits of optimizing hybrid solar PV panels and pumped hydro energy supply systems for sustainable energy usage. Optimizing the design of solar PV panels and pumped hydro energy supply systems as examined across diverse climatic conditions in a developing country, not only enhances power generation but also improves the integration of renewable energy sources and boosts energy storage capacities, particularly beneficial for less economically prosperous regions. Additionally, the study provides valuable insights for advancing energy research in economically viable areas. Recommendations included conducting site-specific assessments, utilizing advanced modeling tools, implementing regular maintenance protocols, and enhancing communication among system components.
Event Management System Vb Net Project Report.pdfKamal Acharya
In present era, the scopes of information technology growing with a very fast .We do not see any are untouched from this industry. The scope of information technology has become wider includes: Business and industry. Household Business, Communication, Education, Entertainment, Science, Medicine, Engineering, Distance Learning, Weather Forecasting. Carrier Searching and so on.
My project named “Event Management System” is software that store and maintained all events coordinated in college. It also helpful to print related reports. My project will help to record the events coordinated by faculties with their Name, Event subject, date & details in an efficient & effective ways.
In my system we have to make a system by which a user can record all events coordinated by a particular faculty. In our proposed system some more featured are added which differs it from the existing system such as security.
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Explore the innovative world of trenchless pipe repair with our comprehensive guide, "The Benefits and Techniques of Trenchless Pipe Repair." This document delves into the modern methods of repairing underground pipes without the need for extensive excavation, highlighting the numerous advantages and the latest techniques used in the industry.
Learn about the cost savings, reduced environmental impact, and minimal disruption associated with trenchless technology. Discover detailed explanations of popular techniques such as pipe bursting, cured-in-place pipe (CIPP) lining, and directional drilling. Understand how these methods can be applied to various types of infrastructure, from residential plumbing to large-scale municipal systems.
Ideal for homeowners, contractors, engineers, and anyone interested in modern plumbing solutions, this guide provides valuable insights into why trenchless pipe repair is becoming the preferred choice for pipe rehabilitation. Stay informed about the latest advancements and best practices in the field.
Water scarcity is the lack of fresh water resources to meet the standard water demand. There are two type of water scarcity. One is physical. The other is economic water scarcity.
Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
In this month's edition, along with this month's industry news to celebrate the 13 years since the group was created we have articles including
A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
A look back on an article on smart wastewater networks in order to see how the industry has measured up in the interim around the adoption of Digital Transformation in the Water Industry.
Saudi Arabia stands as a titan in the global energy landscape, renowned for its abundant oil and gas resources. It's the largest exporter of petroleum and holds some of the world's most significant reserves. Let's delve into the top 10 oil and gas projects shaping Saudi Arabia's energy future in 2024.
Forklift Classes Overview by Intella PartsIntella Parts
Discover the different forklift classes and their specific applications. Learn how to choose the right forklift for your needs to ensure safety, efficiency, and compliance in your operations.
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