wastewater treatment by electrocoagulation flotation

seafood processing wastewater treatment by using an activated sludge reactor followed by a cyperusmalaccensis lam. constructed wetland

Ngày tải lên : 09/01/2015, 08:53

... 1.4 Wastewater treatment by constructed wetlands 1.4.1 Microorganisms role Biological treatment using the aerobic method is based on aerobic microbial activity in wastewater The result of treatment ... process consists of chemical physical treatment step, and biological treatment step depending on the composition of the wastewater Biological wastewater treatment process is more commonly used ... UNIVERSITY OF SCIENCE NAKHONEKHAM XAYBOUANGEUN SEAFOOD PROCESSING WASTEWATER TREATMENT BY USING ACTIVATED SLUDGE REACTOR FOLLOWED BY CYPERUSMALACENSIS LAM CONSTRUCTED WETLAND MASTER THESIS Supervisor:...

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Luận văn thạc sĩ khoa học OILY WASTEWATER TREATMENT BY MEMBRANE BIOREACTOR PROCESS COUPLED WITH BIOLOGICAL ACTIVATED CARBON PROCESS

Ngày tải lên : 20/06/2016, 15:42

... car wash wastewater 2.1.2 Characteristics of oil/water emulsion 2.1.3 Pollution of oil/water emulsion 2.1.4 Oily wastewater treatment system 2.2 Application of MBR process in wastewater treatment ... (Sawyer et al., 1994) 2.1.4 Oily wastewater treatment system Treatment methods for oily wastewater can be classified into three categories namely, primary or gravity treatment units, secondary processes ... system in wastewater treatment and reuse at gas station From the results of this study, application of MBR process in wastewater treatment and reuse at gas station would be possible Wastewater...

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

Ngày tải lên : 05/09/2013, 09:08

... alternative processes are not developed and adapted to actual scenario in treating wastewater Wastewater treatment in sewer line by bioaugmention with well-selected microorganisms or development of sewer ... proteins in raw wastewater under long sewer line condition at hydraulic retention time (HRT) of 17 h (Ozer and Kasirga, 1995), (ii) to investigate the valorisation in wastewater treatment field ... control, to avoid variation in wastewater characteristics Analyses Fungal biomass was determined by dry cell weight (oven drying at 105°C for 24 h) and COD was determined by the dichromate method NBN-T...

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ZERO EMISSION; AN OPTIMUM WASTEWATER TREATMENT SYSTEM

Ngày tải lên : 05/09/2013, 08:40

... 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 ... resource effectively, washwater is reclaimed as raw water Figure shows wastewater treatment process at the WTP The wastewater treatment system consists of reclamation of filter backwash water into ... fluidized bed, C/RF: coagulation / rapid filtration Figure Wastewater treatment process at New Amagasaki WTP - 56 - FLOATATION EQUIPMENT Wastewater is mainly composed of filter backwash water Therefore,...

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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

Ngày tải lên : 05/09/2013, 10:15

... concurrently for rainwater, wastewater and livestock wastewater disposal There is typically no proper wastewater collection or treatment system in small towns Most of the town’s wastewater runs down ... (Electricity) Scenario Faecal Sludge Household wastewater Sewage Sludge Sludge Treatment Facility Faecal Sludge Sludge Treatment Facility Sludge Treatment Facility System Boundary Fig - System ... Waste Stabilization Ponds: A Highly Appropriate Wastewater Treatment Technology for Mediterranean Countries, Efficient Management of Wastewater: Its Treatment and Reuse in Water-Scarce Countries,...

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

Ngày tải lên : 05/09/2013, 10:15

... test for the Unoke River water and wastewater treatment plant effluent samples are listed in Table No tetracycline degradation was observed in the wastewater treatment plant effluent samples Significant ... bacteria in the Unoke River and the wastewater treatment plant effluent water samples was 375 CFU/mL and 885 CFU/mL, respectively The density of the wastewater treatment plant effluent sample that ... tetracycline degradation test for Unoke River water and wastewater treatment plant effluent Sample Volume Unoke River Water Wastewater Treatment (mL) Plant Effluent 7.2 3/3 0/3 0.72 3/3 0/3 0.072...

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

Ngày tải lên : 05/09/2013, 10:15

... concentrations were analyzed by an ICP-MS (HP 4500, Yokogawa, Japan), in accordance with the methods described by Chaminda et al (2008) The labile Zn was operationally defined by fractionation using ... water, binding sites in DOM of WWTP effluents were less biodegradable In other words, treatment of wastewater by activated sludge process has shifted the DOM composition to more biologically recalcitrant ... in wastewater treatment plant effluent, Water Sci and Technol.,58 (6), 1207-1213 Chaminda G G T., Nakajima F., Furumai H., Kasuga I and Kurisu F (2009) Zn and Cu complexation with DOM in wastewater...

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

Ngày tải lên : 05/09/2013, 10:17

... and utilization (4) Wastewater is not considered as waste anymore, but is used as a kind of resource to produce biofuel and other valuable by- products Therefore, the wastewater treatment process ... domestic wastewater reclamation coupled with biofuel/biomass production based on microalgae considers wastewater as a kind of resource instead of just waste, and shifts the wastewater treatment ... this research Coupling of wastewater treatment and the production of microalgae-based biodiesel/biomass is an effective way to enhance the inorganic nutrient removal by microalgae and to reduce...

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Integration of energy and environmental systems in wastewater treatment plants

Ngày tải lên : 05/09/2013, 15:28

... Pollution of receiving water courses following upset of wastewater treatment process by industrial discharges Adequate pretreatment of industrial wastewater; efficient monitoring and enforcement Pollution ... Southeast wastewater treatment plant processes an average of million gallons of wastewater daily The main step in the treatment process is the separation of solids, which accounts for about 2% of wastewater ... losses The most common energy uses in wastewater treatment are for aeration and pumping Other common processes that consume energy during the wastewater treatment are mechanical mixing, chemical...

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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

Ngày tải lên : 18/02/2014, 01:20

... capacity of the STP can only treat Low, treated wastewater with primary treatment High wastewater technology The quality of wastewater treated with primary treatment is low, and when used for agri/aquaculture ... maximum capacity for primary treatment and treats higher quantities of wastewater and also to upgrade its technology to treat wastewater at a higher quality, i.e., secondary treatment Methodology 3.1 ... will be associated with any wastewater treatment programme alternative j Following Lancaster‟s theory of consumer choice, the utility derived from any of the wastewater treatment alternatives depends...

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Tài liệu INTRODUCTION TO WASTEWATER TREATMENT PROCESSES pptx

Ngày tải lên : 18/02/2014, 04:20

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King County Solid Waste and Wastewater Treatment Utility Operations docx

Ngày tải lên : 06/03/2014, 23:20

... $1.1 million to $3.1 million • Wastewater Treatment Division: Cost savings up to $6.6 million and revenue opportunities of $3.7 million • Solid Waste and Wastewater Treatment Divisions: • A combined ... Natural Resources and Parks Utility rates are determined by the utilities’ operations costs and approved by the King County Council The Wastewater Treatment Division generates approximately $250 million ... recommendations Biogas use The Wastewater Treatment Division has not ensured its capital investments in biogas generation are cost-effective In 2004, the Wastewater Treatment Division developed...

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reducing production of excess biomass during wastewater treatment

Ngày tải lên : 11/03/2014, 23:04

... production on these aspects are also discussed BIOLOGICAL PROCESSES WITHIN WASTEWATER TREATMENT INTRODUCTION Biological wastewater treatment involves the transformation of dissolved and suspended organic ... WITHIN WASTEWATER TREATMENT While no single species is capable of utilising all the assorted organic and inorganic compounds found in wastewaters, the heterogeneous microbial population in a wastewater ... management of an optimum size Anaerobic wastewater treatment produces considerably less biomass than aerobic treatment (Table 4) and with the bene®t of methane gas as a by- product But organic compounds...

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Electrochemical technologies in wastewater treatment

Ngày tải lên : 16/03/2014, 00:07

... Aluminum is usually used for water treatment and iron for wastewater treatment The advantages of electrocoagulation include high particulate removal efficiency, compact treatment facility, relatively ... usually to use iron for wastewater treatment and aluminum for water treatment because iron is relatively cheaper The aluminum plates are also finding applications in wastewater treatment either alone ... important issue The electrocoagulation has to be followed by a sludge removal process It is either a sedimentation unit or a flotation unit 3.4 Effluents treated by electrocoagulation Electrocoagulation...

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Biology of wastewater treatment

Ngày tải lên : 16/03/2014, 18:09

... Scientific Biology of Wastewater Treatment (New Edition) How Nature Deals with Waste 10 Table 1.6 The Urban Wastewater Treatment Directive (91/271/EEC) sets discharge limits for wastewater treatment plants ... 14:33 World Scientific Biology of Wastewater Treatment (New Edition) Preface to the Second Edition Since writing the first edition of Biology of Wastewater Treatment the wastewater industry has changed ... half of this was on wastewater provision In the year 1998/1999, £1.9bn was spent on new wastewater treatment plants alone as compliance with the European Union Urban Wastewater Treatment Directive...

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