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Domestic wastewater treatment

Enhancement of domestic wastewater treatment under long sewer line condition in a laboratory set-up by Aspergillus niger bioaugmentation

Enhancement of domestic wastewater treatment under long sewer line condition in a laboratory set-up by Aspergillus niger bioaugmentation

... aminopeptidase Valine aminopeptidase Leucine aminopeptidase Lipase (C14) Lipase (C8) Esterase (C4) Alkaline phosphatase Polysaccharidasesesrot Proteases Enzyme Figure Enzymatic profiles in wastewater under ... niger bioaugmentation enhanced the COD uptake rate four times than activated sludge bioaugmentation Table Kinetics of protein removal in domestic wastewater by A niger and the control under transient ... to assess the ability of A niger in removing chemical oxygen demand (COD) and proteins in raw wastewater under long sewer line condition at hydraulic retention time (HRT) of 17 h (Ozer and Kasirga,...
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Biological Alteration of Zinc Complexation Characteristics of Dissolved Organic Matter in Domestic Wastewater Treatment Plant Effluent under River Water Environment

Biological Alteration of Zinc Complexation Characteristics of Dissolved Organic Matter in Domestic Wastewater Treatment Plant Effluent under River Water Environment

... Biodegradability of zinc binding sites in DOM of WWTP effluent in river water Fig shows the variation of DOC, UV254 and SUVA during the incubation of DOM in WWTP effluent with river water, where river water ... out for river water and river water spiked with DOM from WWTP effluent to evaluate the biological alteration of zinc complexation characteristics of DOM under river water environment Zinc complexation ... hypothesized that, unlike binding sites in DOM of the river water, binding sites in DOM of WWTP effluents were less biodegradable In other words, treatment of wastewater by activated sludge process...
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Domestic Wastewater Reclamation Coupled with Biofuel/Biomass Production Based on Microalgae: A Novel Wastewater Treatment Process in the Future

Domestic Wastewater Reclamation Coupled with Biofuel/Biomass Production Based on Microalgae: A Novel Wastewater Treatment Process in the Future

... with biofuel/biomass production based on microalgae considers wastewater as a kind of resource instead of just waste, and shifts the wastewater treatment process from being a mere treatment process ... reclamation coupled with biofuel/biomass production based on microalgae Novel concepts Several novel concepts for the novel process proposed for domestic wastewater reclamation coupled with biofuel/biomass ... filtration CO2 Wetland plants Microalgae cultivation and reclamation Wastewater Artificial wetland Disinfection Primary settled sludge Microalgal cells Organics in high concentration Oil extraction...
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ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - SMALL FLOW WASTEWATER TREATMENT TECHNOLOGY FOR DOMESTIC AND SPECIAL APPLICATIONS docx

ENCYCLOPEDIA OF ENVIRONMENTAL SCIENCE AND ENGINEERING - SMALL FLOW WASTEWATER TREATMENT TECHNOLOGY FOR DOMESTIC AND SPECIAL APPLICATIONS docx

... FLOW WASTEWATER TREATMENT TECHNOLOGY FOR DOMESTIC AND SPECIAL APPLICATIONS C019_002_r03.indd 1087 Motor 1088 SMALL FLOW WASTEWATER TREATMENT TECHNOLOGY FOR DOMESTIC AND SPECIAL APPLICATIONS In ... SMALL FLOW WASTEWATER TREATMENT TECHNOLOGY FOR DOMESTIC AND SPECIAL APPLICATIONS and evapotranspiration beds Direct discharge of onsite treatment system effluent is ... 11/18/2005 11:06:46 AM SMALL FLOW WASTEWATER TREATMENT TECHNOLOGY FOR DOMESTIC AND SPECIAL APPLICATIONS and may reach beaches, commercial fisheries, shell-fish growing areas and may seriously contaminate...
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ZERO EMISSION; AN OPTIMUM WASTEWATER TREATMENT SYSTEM

ZERO EMISSION; AN OPTIMUM WASTEWATER TREATMENT SYSTEM

... OUTLINE OF WASTEWATER TREATMENT SYSTEM New Amagasaki water treatment plant (WTP) (373,000m3・d-1) of the Hanshin Water Supply Authority (HWSA) has introduced advanced water treatment system with ... Pollution Control Law and utilizing water resource effectively, washwater is reclaimed as raw water Figure shows wastewater treatment process at the WTP The wastewater treatment system consists of ... Organism removal depends on coagulation / sedimentation and filtration during water treatment process Therefore, reliable separation of microorganisms by DAF leads to enhanced microbial risk management...
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Behavior of Zinc in a Constructed Wetland System Receiving Domestic Wastewater

Behavior of Zinc in a Constructed Wetland System Receiving Domestic Wastewater

... Agricultural Hydrology, Kyoritsu Shuppan Co., Ltd, Tokyo (in Japanese) Mays P A and Edwards G S (2001) Comparison of heavy metal accumulation in a natural wetland and constructed wetlands receiving acid ... Transfers and transformations of zinc in constructed wetlands: mitigation of a refinery effluent, Ecological Engineering, 14, 279-292 Isozaki Y., Nakajima F and Furumai H (2006) Speciation of zinc, ... phosphorus and zinc from domestic wastewater by a constructed wetland system in rural areas: a case study, Wat Sci Technol., 58, (12), 2427-2433 Brix H (1993) Wastewater treatment in constructed wetland: ...
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Multi-criteria Evaluation of Wastewater Treatment Scenarios for Small Towns in Developing Countries - Case Study of Toan Thang Town in Vietnam

Multi-criteria Evaluation of Wastewater Treatment Scenarios for Small Towns in Developing Countries - Case Study of Toan Thang Town in Vietnam

... developed in this paper proposes a procedure for integrated and multicriteria evaluation and selection of wastewater treatment scenarios through a case study in Toan Thang, a small town in Vietnam ... Province, Vietnam, Water Supply and Sanitation Programme for Towns in Vietnam, Ministry of Construction, Vietnam (in Vietnamese) Viwase (2007b) Report on Socio-Economic Survey in Toan Thang Town ... the funding options available Small towns often suffer from a lack of infrastructure and cannot ensure the minimum quality of urban life According to the authors’ survey of small towns in Vietnam, ...
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Occurrence of Tetracycline-Resistant and Tetracycline- Degrading Bacteria in Wastewater Treatment Plant Effluent and Environmental Water Systems

Occurrence of Tetracycline-Resistant and Tetracycline- Degrading Bacteria in Wastewater Treatment Plant Effluent and Environmental Water Systems

... controlling water pollution and sustaining water systems In this study, we added tetracycline to water samples, incubated the samples in the laboratory, and determined the degradation rates and bacterial ... bacterial growth in each sample for the analysis of the growth of tetracycline-resistant or tetracycline -degrading bacteria and the mechanism of tetracycline degradation MATERIALS AND METHODS Water samples ... rain water Some conditions such as nutrients might be sufficient for tetracycline -degrading bacteria in Tedori River and wastewater treatment plant effluent but not sufficient in Unoke River and...
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Integration of energy and environmental systems in wastewater treatment plants

Integration of energy and environmental systems in wastewater treatment plants

... Professor at Missouri University of Science and Technology She received her B.S in Industrial Engineering from North Carolina State University, Master of Engineering in Mechanical Engineering and ... beginning point for the integrated process map Table Goals of energy versus environmental management systems Goals of Energy Management System Optimize energy efficiency Minimize energy waste Increase ... floatation, sludge handling and disposal, and digester heating Wastewater treatment managers are attempting to include more energy intensive treatment processes over time which will allow wastewater facilities...
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Tài liệu THE VALUE OF IMPROVED PUBLIC SERVICES: AN APPLICATION OF THE CHOICE EXPERIMENT METHOD TO ESTIMATE THE VALUE OF IMPROVED WASTEWATER TREATMENT INFRASTRUCTURE IN INDIA docx

Tài liệu THE VALUE OF IMPROVED PUBLIC SERVICES: AN APPLICATION OF THE CHOICE EXPERIMENT METHOD TO ESTIMATE THE VALUE OF IMPROVED WASTEWATER TREATMENT INFRASTRUCTURE IN INDIA docx

... The Value of Improved Public Services: An Application of the Choice Experiment Method to Estimate the Value of Improved Wastewater Treatment Infrastructure in India Ekin Birol International ... of Improved Public Services: An Application of the Choice Experiment Method to Estimate the Value of Improved Wastewater Treatment Infrastructure in India Ekin Birol and Sukanya Das Abstract In ... these is the Ganga Action Plan (GAP) Initiated in 1984 by the Indian Government, and supported by the Netherlands, UK and voluntary organizations, the aim of the GAP is to build a number of wastewater...
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King County Solid Waste and Wastewater Treatment Utility Operations docx

King County Solid Waste and Wastewater Treatment Utility Operations docx

... the County and some receive services from the County via a city or sewer district King County s two largest utilities are the Wastewater Treatment and Solid Waste Divisions of the County Department ... We have conducted a performance audit of King County Solid Waste and Wastewater Treatment Division operations for the period of  January 1, 2005 to December 31, 2007 to examine the efficiency and effectiveness of biosolids management, biogas use, leachate  ... manner possible? This audit objective includes, but is not limited to, operational costs associated with: solid waste collection,  processing and disposal; and collection, treatment and conveyance of wastewater and sewage.  • Overhead allocation – Over the past three years, how effective has King County been in limiting overhead allocations and other ...
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reducing production of excess biomass during wastewater treatment

reducing production of excess biomass during wastewater treatment

... for reducing the amount of biomass produced The purpose of this review is to develop a comprehensive account of how pollutant metabolism leads to biomass production during the treatment of wastewaters ... in lower biomass production Sludge age is de®ned as the ratio of the total amount of biomass in the process to the rate of biomass wastage However, since determination of the amount of biomass ... 4.2 11.2 17.4 5.5 11.1 16.9 Index of carbon recovery in biomass 1.00 0.41 0.39 Reducing production of excess biomass force is dissipated by the dissociation of protons from the ammonium ions...
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Electrochemical technologies in wastewater treatment

Electrochemical technologies in wastewater treatment

... treated directly using a recovery system as in metal surface finishing industry Application of metal recovery should be very much useful in metal winning in mining industry especially in the production ... found to be the best near neutral pH using aluminum electrode When iron electrode was used in textile printing and dying wastewater treatment, alkaline in uent was G Chen / Separation and Purification ... technologies in terms of cost but also are more efficient and more compact For some situations, electrochemical technologies may be the indispensable step in treating wastewaters containing refractory...
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