IRJET- Effect of Biofilm Filling Rates, Various Cycles Duration and Organic Loading Rates on Organic and Nutrients Removal in Sequencing Batch Biofilm Reactor (SBBR)
This document summarizes a study that investigated the effect of biofilm filling rates, cycle durations, and organic loading rates on organic and nutrient removal in a sequencing batch biofilm reactor (SBBR). The study was conducted in three phases:
1) The first phase tested biofilm filling rates of 0%, 50%, and 25% and found that higher filling rates improved removal of BOD, COD, nitrogen, and phosphorus.
2) The second phase tested cycle durations of 8-2, 7-3, and 6-4 hours for aeration and settling, finding slightly higher removal rates for longer durations.
3) The third phase tested organic loading rates of 0.84 and 1.44 kg COD/
IJERA (International journal of Engineering Research and Applications) is International online, ... peer reviewed journal. For more detail or submit your article, please visit www.ijera.com
IJERA (International journal of Engineering Research and Applications) is International online, ... peer reviewed journal. For more detail or submit your article, please visit www.ijera.com
In present work forward osmosis (FO) process was used as a novel process for the removal of Cd+2 ions from wastewater. Cellulose acetate (CA) membrane used as flat sheet membrane for Cd+2 ions removal. MgSO4.7H2O with different concentration was used as draw solution. Influence of different parameters was studied such as concentration of draw solutions ranged (10-150 g/l), concentration of feed solutions (10-200 mg/l), flow rate of draw solutions (30-100 l/hr), flow rate of feed solutions (30-100 l/hr), and temperature of both feed and draw solution (10-40oC) at constant pressure 0.3 bar gauge. The results proved that when the draw solution concentration, flow rate of feed solution, and temperature of both feed solution and draw solution increased, the water flux increase. Water flux decreased by increasing cadmium ions concentration in feed solution, operating time of experiment, and flow rate of draw solution. Cadmium ions concentration in feed solution effluent increased when concentration of feed solution increased, time of experimental work, draw solution concentration, feed solution flow rate, and temperature of feed and draw solutions and decreased with increasing draw solution flow rate. According to the results obtained, forward osmosis process can be used to recover Cd+2 ions contaminated wastewater with removal efficiency 78.87% after 3 hrs. Reverse salt flux of MgSO4.7H2O through the CA membrane decreased with time which reached 23.34 g/m2.h after 3 hrs
Existing biological nitrogen removal processes and current scope of advancementSandip Magdum
In India, to achieve the stringent norms of total nitrogen less than 10 mg/l in sewage treatment plant is a big challenge for the public - private facilities and organizations. After successful implementation of this norm the pollutant burden from rivers and natural water bodies certainly reduces. The use of conventional biological nitrogen removal (BNR) processes for new treatment facility development or retrofitting is also an energy and cost intensive practice. The process technologies offered by current market such as MLE, MBBR, IFAS and SBR are still in with downside of higher footprint, multi tank reactors, heavy instrumentation for IR and RAS which ultimately incur higher capital and operating cost. The current market need and lack of sustainable nitrogen removal applications, trigger to review the of all available efficient biological nitrogen removal processes. This review will gives an overall scenario of past and current biological nitrogen removal process technologies with showing possible scope and way forward towards more energy neutral nitrogen removal technologies.
Beverage industry wastewater treatment with two–stage MBBR plantIJRES Journal
Beverage industry wastewater treatment was studied, first on pilot-scale and then on full-scale, with
two-stage moving bed biofilm reactor (MBBR). The pilot plant was made of a pure biofilm aerated MBBR (210
L) with filling degree 60%, a hybrid aerated MBBR (370 L) with filling degree 60%, and a lamellar settler (350
L) with plates sloped 60° from horizontal; carriers specific surface was 500 m2/m3. The pilot plant treated 12 L/h
wastewater with 5000-10000 mg/L COD and removed COD with average efficiency 73%. The full-scale plant
was made of two parallel pure biofilm aerated MBBR (18 m3 each) with filling degree 60%, two parallel hybrid
aerated MBBR (32 m3 each) with filling degree 60%, two parallel lamellar settlers (7 m3 each) with plates
sloped 60° from horizontal, and a final quarzite filter. The full scale plant treated 39-175 m3/d (average 70 m3/d)
wastewater with 490-4900 mg/L COD (average 1793 mg/L) and removed COD with average efficiency 97%;
the final effluent respected always emission limits.
Veolia’s Case Studies for Small Wastewater Treatment PlantsOswar Mungkasa
prepared by Xin, ZHAO*, Mark, ELLIOTT *, Edwin, TAN *, Edmond, CHEUNG *, Xiaohua CHEN * * Veolia Water Solutions and Technologies (Beijing) Co., Ltd., Beijing 100004, China (E-mail: xin.zhao@veoliawater.com) for Urban Environments in Asia, 25-28 May 2011, Manila, Philippines. organized by International Water Association (IWA).
Commissioning of a 10 mld wwtp with flat sheet mbr technology the arenales de...WALEBUBLÉ
The authors are grateful to Professor Simon Judd & Claire Judd for the opportunity to publish this article on their renowned MBR-focused web page (www.thembrsite.com).
In present work forward osmosis (FO) process was used as a novel process for the removal of Cd+2 ions from wastewater. Cellulose acetate (CA) membrane used as flat sheet membrane for Cd+2 ions removal. MgSO4.7H2O with different concentration was used as draw solution. Influence of different parameters was studied such as concentration of draw solutions ranged (10-150 g/l), concentration of feed solutions (10-200 mg/l), flow rate of draw solutions (30-100 l/hr), flow rate of feed solutions (30-100 l/hr), and temperature of both feed and draw solution (10-40oC) at constant pressure 0.3 bar gauge. The results proved that when the draw solution concentration, flow rate of feed solution, and temperature of both feed solution and draw solution increased, the water flux increase. Water flux decreased by increasing cadmium ions concentration in feed solution, operating time of experiment, and flow rate of draw solution. Cadmium ions concentration in feed solution effluent increased when concentration of feed solution increased, time of experimental work, draw solution concentration, feed solution flow rate, and temperature of feed and draw solutions and decreased with increasing draw solution flow rate. According to the results obtained, forward osmosis process can be used to recover Cd+2 ions contaminated wastewater with removal efficiency 78.87% after 3 hrs. Reverse salt flux of MgSO4.7H2O through the CA membrane decreased with time which reached 23.34 g/m2.h after 3 hrs
Existing biological nitrogen removal processes and current scope of advancementSandip Magdum
In India, to achieve the stringent norms of total nitrogen less than 10 mg/l in sewage treatment plant is a big challenge for the public - private facilities and organizations. After successful implementation of this norm the pollutant burden from rivers and natural water bodies certainly reduces. The use of conventional biological nitrogen removal (BNR) processes for new treatment facility development or retrofitting is also an energy and cost intensive practice. The process technologies offered by current market such as MLE, MBBR, IFAS and SBR are still in with downside of higher footprint, multi tank reactors, heavy instrumentation for IR and RAS which ultimately incur higher capital and operating cost. The current market need and lack of sustainable nitrogen removal applications, trigger to review the of all available efficient biological nitrogen removal processes. This review will gives an overall scenario of past and current biological nitrogen removal process technologies with showing possible scope and way forward towards more energy neutral nitrogen removal technologies.
Beverage industry wastewater treatment with two–stage MBBR plantIJRES Journal
Beverage industry wastewater treatment was studied, first on pilot-scale and then on full-scale, with
two-stage moving bed biofilm reactor (MBBR). The pilot plant was made of a pure biofilm aerated MBBR (210
L) with filling degree 60%, a hybrid aerated MBBR (370 L) with filling degree 60%, and a lamellar settler (350
L) with plates sloped 60° from horizontal; carriers specific surface was 500 m2/m3. The pilot plant treated 12 L/h
wastewater with 5000-10000 mg/L COD and removed COD with average efficiency 73%. The full-scale plant
was made of two parallel pure biofilm aerated MBBR (18 m3 each) with filling degree 60%, two parallel hybrid
aerated MBBR (32 m3 each) with filling degree 60%, two parallel lamellar settlers (7 m3 each) with plates
sloped 60° from horizontal, and a final quarzite filter. The full scale plant treated 39-175 m3/d (average 70 m3/d)
wastewater with 490-4900 mg/L COD (average 1793 mg/L) and removed COD with average efficiency 97%;
the final effluent respected always emission limits.
Veolia’s Case Studies for Small Wastewater Treatment PlantsOswar Mungkasa
prepared by Xin, ZHAO*, Mark, ELLIOTT *, Edwin, TAN *, Edmond, CHEUNG *, Xiaohua CHEN * * Veolia Water Solutions and Technologies (Beijing) Co., Ltd., Beijing 100004, China (E-mail: xin.zhao@veoliawater.com) for Urban Environments in Asia, 25-28 May 2011, Manila, Philippines. organized by International Water Association (IWA).
Commissioning of a 10 mld wwtp with flat sheet mbr technology the arenales de...WALEBUBLÉ
The authors are grateful to Professor Simon Judd & Claire Judd for the opportunity to publish this article on their renowned MBR-focused web page (www.thembrsite.com).
Similar to IRJET- Effect of Biofilm Filling Rates, Various Cycles Duration and Organic Loading Rates on Organic and Nutrients Removal in Sequencing Batch Biofilm Reactor (SBBR)
Effect of temperature on biodegradation of textile dyeing effluent using pilo...Agriculture Journal IJOEAR
Abstract— This study deals with the effect of temperature on treatment of real textile dyeing effluent using pilot scale two-phase Upflow Anaerobic Sludge Blanket (UASB) reactor with sago effluent as co-substrate under recycle mode. The temperature of the reactor was varied viz. 35, 40, 45 and 50 0C. The feed of the reactor was 30% of methanogenic outlet recycled and 70% of 70/30 (sago/textile dyeing effluent) mixing ratio were given at the bottom of the reactor. The reactor was operated at 24 h of HRT. The performance of the bioreactor was evaluated by monitoring the removal of Chemical Oxygen Demand (COD), removal of color, Volatile Fatty Acid (VFA) and biogas production. The overall COD and color removal were achieved maximum of 98.4% and 99.3% respectively. Based on temperature, the biogas production (0.512 m3/d) was maximum at 450C. From the VFA and alkalinity ratio values obtained indicate that the reactors were operated under steady state. The results shows, that the sago and textile dyeing effluent have wide variation in their characteristics were treated on combination, whereas the recycle ratios maintain the stability of reactor. This new technology supports the effective utilization of sago effluent in destruction of dyeing effluent; the optimum temperature for efficient reactor operation was 450C.
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.
Anaerobic-aerobic treatment of municipal sewage using high Performance Levapor Carriers. It offers remarkable smaller foot print, bio gas production and lower sludge production compared to aerobic treatment reducing unit treatment cost.
Low Cost Anaerobic Treatment of Municipal Solid Waste Leachateiosrjce
IOSR Journal of Environmental Science, Toxicology and Food Technology (IOSR-JESTFT) multidisciplinary peer-reviewed Journal with reputable academics and experts as board member. IOSR-JESTFT is designed for the prompt publication of peer-reviewed articles in all areas of subject. The journal articles will be accessed freely online
The International Journal of Engineering and Science (The IJES)theijes
The International Journal of Engineering & Science is aimed at providing a platform for researchers, engineers, scientists, or educators to publish their original research results, to exchange new ideas, to disseminate information in innovative designs, engineering experiences and technological skills. It is also the Journal's objective to promote engineering and technology education. All papers submitted to the Journal will be blind peer-reviewed. Only original articles will be published.
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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.
Immunizing Image Classifiers Against Localized Adversary Attacksgerogepatton
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Buying new cosmetic products is difficult. It can even be scary for those who have sensitive skin and are prone to skin trouble. The information needed to alleviate this problem is on the back of each product, but it's thought to interpret those ingredient lists unless you have a background in chemistry.
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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
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IRJET- Effect of Biofilm Filling Rates, Various Cycles Duration and Organic Loading Rates on Organic and Nutrients Removal in Sequencing Batch Biofilm Reactor (SBBR)