chemical processes during biological wastewater treatment
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
... effluents were less biodegradable In other words, treatment of wastewater by activated sludge process has shifted the DOM composition to more biologically recalcitrant compounds in terms of zinc ... 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 ... biodegradation during the first days of incubation period and became persistent This degradation of binding sites was also in line with the increment of labile Zn concentration during the first...
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reducing production of excess biomass during wastewater treatment
Ngày tải lên :
11/03/2014, 23:04
... biomass production on these aspects are also discussed BIOLOGICAL PROCESSES WITHIN WASTEWATER TREATMENT INTRODUCTION Biological wastewater treatment involves the transformation of dissolved and ... requirements on biomass production during wastewater treatment, Wat Res., accepted for publication Low E W and Chase H A (1998c) Reduced biomass production during wastewater treatment, II Eects on oxygen ... wasted from wastewater treatment processes will reduce the ®nal disposal requirements CONCLUSIONS There is a complex combination of processes which contribute to biomass production These processes...
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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
... physical -chemical treatment of oily wastewater because the oily waste is considered as hazardous waste Biological processes have also been applied in oily wastewater treatment These processes are ... to biological degradation (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 ... 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...
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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 ... process flow CONCLUSION As for wastewater treatment, it is important to efficiently eliminate turbidity particles in filter backwash water and sludge produced during water treatment At New Amagasaki...
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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
... pollution will reach the critical level if alternative processes are not developed and adapted to actual scenario in treating wastewater Wastewater treatment in sewer line by bioaugmention with well-selected ... Journal of Water and Environment Technology, Vol.4, No.1, 2006 INTRODUCTION Nowadays, wastewater treatment acquires substantial funds of countries and this is viewed to heighten in the future ... of this research were (i) 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...
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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 ... for qualitative analysis of small-town wastewater treatment scenarios Criteria Environmental Land requirements Electricity consumption Chemical use Biochemical oxygen demand (BOD5) removal efficiency ... among different wastewater treatment scenarios Table - Average pollutant emission loads from household wastewater in Vietnam (MoC, 2008) Parameters Total suspended solid (TSS) Biochemical oxygen...
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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
... 2010 Many studies have been conducted on the physicochemical or biochemical removal of PPCPs in environmental water systems and wastewater treatment systems These include coagulation, sedimentation, ... 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...
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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
... is relatively low by biological treatment, especially for nitrogen (Vílchez et al., 1997) Chemical precipitation has an obvious effect on phosphorus removal, but the cost of chemical reagents is ... 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 ... Journal of Water and Environment Technology, Vol 9, No.2, 2011 (1) The present wastewater treatment processes are really energy-consuming Large amount of energy is necessary for pump operation,...
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Integration of energy and environmental systems in wastewater treatment plants
Ngày tải lên :
05/09/2013, 15:28
... 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 dosing, media ... 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 ... and disposal, and digester heating Wastewater treatment managers are attempting to include more energy intensive treatment processes over time which will allow wastewater facilities to meet stringent...
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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
... 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 ... on utility of any attributes not included in choice specific wastewater treatment programme attributes, n is the number of wastewater treatment programme attributes considered, and the vectors...
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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 ... 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 ... The WTD’s major facilities include the two regional treatment plants, the West Point and South Treatment Plants, as well as two smaller treatment plants on Vashon Island and in Carnation. The Brightwater Treatment Plant located in the northern part of the region is ...
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Electrochemical technologies in wastewater treatment
Ngày tải lên :
16/03/2014, 00:07
... Electrochemical treatment of textile wastewater, Water Sci Technol 34 (11) (1996) 17–24 [110] J Naumczyk, L Szpyrkowicz, M.D.D Faveri, F ZilioGrandi, Electrochemical treatment of tannery wastewater ... 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 ... particularly useful in wastewater treatment [37] It has been employed in treating wastewaters from textile [38–41], catering [29,42], petroleum, tar sand and oil shale wastewater [43], carpet wastewater...
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Biology of wastewater treatment
Ngày tải lên :
16/03/2014, 18:09
... of Wastewater Treatment (New Edition) How Nature Deals with Waste 16 Table 1.8 treatment Main chemical and biological unit processes employed in wastewater Process Description Chemical unit processes ... treatment have been very successful in reducing organic loads to treatment plants and at the same time creating a more treatable wastewater entering the wastewater treatment plant Localised treatment ... 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...
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Biotechnology for waste and wastewater treatment n cheremisinoff
Ngày tải lên :
16/03/2014, 18:11
... and wastewater treatment / Nicholas P Cheremisnoff p cm Includes bibliographical references and index ISBN 0-8155-1409-3 Sewage Purification Biological treatment Water -Purification Biological treatment ... Wastes Wastewater Treatment Biological treatment is one of the most widely used removal methods as well as for partial or complete stabilization of biologically degradable substances in wastewaters ... of aerobic treatment) Any one or more of these transport rates can be the controlling factors that determine the process efficiency Types of Biological Processes Biological treatment processes...
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Biotechnology for waste and wastewater treatment
Ngày tải lên :
16/03/2014, 18:11
... and wastewater treatment / Nicholas P Cheremisnoff p cm Includes bibliographical references and index ISBN 0-8155-1409-3 Sewage Purification Biological treatment Water -Purification Biological treatment ... Wastes Wastewater Treatment Biological treatment is one of the most widely used removal methods as well as for partial or complete stabilization of biologically degradable substances in wastewaters ... of aerobic treatment) Any one or more of these transport rates can be the controlling factors that determine the process efficiency Types of Biological Processes Biological treatment processes...
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wastewater treatment plants part 11 general data required
Ngày tải lên :
16/03/2014, 18:11
... Copy, (c) BSI 3.1 plant a new wastewater treatment plant; an upgrading or extension of an existing wastewater treatment plant or a part of a new or extended wastewater treatment plant (e g sludge ... General construction principles Preliminary treatment Primary settlement Lagooning processes Activated sludge processes Biological fixed-film reactors Sludge treatment and storage Odour control and ... guarantees, construction, start-up and compliance testing of a wastewater treatment plant or parts of it Differences in wastewater treatment throughout Europe have led to a variety of practices...
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Butterworth heinemann handbook of water and wastewater treatment technologies
Ngày tải lên :
16/03/2014, 18:11
... of Water and Wastewater Treatment, Introduction, What We Mean by Water F’urification, The Clean Water Act, 26 Introducing the Physical Treatment Methods, 33 Introducing Chemical Treatment, 37 ... objectives of different unit processes Chemical methods of treatment rely upon the chemical interactions of the contaminants we wish to remove from water, and the applicationof chemicals that either ... WATER AND WASTEWATER TREATMENT turbidity decreases the effectiveness of water treatment techniques by shielding pathogens from chemical or thermal damage, or in the case of UV (ultra violet) treatment, ...
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integrated chemical processes synthesis operation analysis and control
Ngày tải lên :
01/04/2014, 11:04
... Injection 20 Counter-cocurrent Mode 21 Overheating During Oxidative Coke Removal 24 Recuperative Processes 27 Processes for Large-Scale Applications 29 Processes for Small-scale Applications 31 Conclusions ... Preface In the chemical industries, the pretreatment of educts, their chemical conversion into valuable products, and the purification of resulting product mixtures in downstream processes are ... Sundmacher [3] The cited works refer to integrated chemical processes as “multifunctional reactors”, which is often used as a Integrated Chemical Processes Edited by K Sundmacher, A Kienle and A...
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