Total Energy Consumption For Municipal Wastewater Treatment
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Total Energy Consumption For Municipal Wastewater Treatment
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Author : Robert Smith
language : en
Publisher:
Release Date : 1978
Total Energy Consumption For Municipal Wastewater Treatment written by Robert Smith and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Water treatment plants categories.
Quantities of all forms of energy consumed for collection and treatment of municipal wastewater are estimated. Heat energy is equated to electrical energy by a conversion factor of 10,500 Btu/kwh. Total energy consumption, expressed as kwh/mg of wastewater treated, ranges from 2300-3700 kwh/mg. Energy used for construction of the treatment plant and the sewerage system represents 35-55% of the total energy consumed. The remainder used for plant operation is predominately (65-75%) electrical energy. The use of high efficiency aeration devices combined with good maintenance practices appears to offer the best opportunity for conservation of energy within the plant. Recovery of energy from the sludge produced at the plant can be accomplished by anaerobically digesting the sludge and using the digester gas as fuel for internal combustion engines. In large plants, when the sludge is sufficiently dewatered, it is also possible to recover energy by incinerating the dewatered sludge with production of steam in a waste heat boiler. The steam can then be used within the plant or expanded through a steam turbine to produce mechanical or electrical energy.
Total Energy Consumption For Municipal Wastewater Treatment
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Author : Robert Smith
language : en
Publisher:
Release Date : 1978
Total Energy Consumption For Municipal Wastewater Treatment written by Robert Smith and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Water treatment plants categories.
A B Processes Towards Energy Self Sufficient Municipal Wastewater Treatment
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Author : Yu Liu
language : en
Publisher: IWA Publishing
Release Date : 2019-11-15
A B Processes Towards Energy Self Sufficient Municipal Wastewater Treatment written by Yu Liu and has been published by IWA Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-11-15 with Science categories.
The principle of the conventional activated sludge (CAS) for municipal wastewater treatment is primarily based on biological oxidation by which organic matters are converted to biomass and carbon dioxide. After more than 100 years’ successful application, the CAS process is receiving increasing critiques on its high energy consumption and excessive sludge generation. Currently, almost all municipal wastewater treatment plants with the CAS as a core process are being operated in an energy-negative fashion. To tackle such challenging situations, there is a need to re-examine the present wastewater treatment philosophy by developing and adopting novel process configurations and emerging technologies. The solutions going forward should rely on the ways to improve direct energy recovery from wastewater, while minimizing in-plant energy consumption. This book begins with a critical overview of the energy situation and challenges in current municipal wastewater treatment plants, showing the necessity of the paradigm shift from removal to recovery in terms of energy and resource. As such, the concept of A-B process is discussed in detail in the book. It appears that various A-B process configurations are able to provide possible engineering solutions in which A-stage is primarily designed for COD capture with the aim for direct anaerobic treatment without producing excessive biosludge, while B-stage is designated for nitrogen removal. Making the wastewater treatment energy self-sustainable is obviously of global significance and eventually may become a game changer for the global market of the municipal wastewater reclamation technology. The principal audiences include practitioners, professionals, university researchers, undergraduate and postgraduate students who are interested and specialized in municipal wastewater treatment and process design, environmental engineering, and environmental biotechnology.
Electrical Power Consumption For Municipal Wastewater Treatment
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Author : Robert Smith
language : en
Publisher:
Release Date : 1973
Electrical Power Consumption For Municipal Wastewater Treatment written by Robert Smith and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Electric power categories.
Energy Efficiency Strategies For Municipal Wastewater Treatment Facilities
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Author :
language : en
Publisher:
Release Date : 2012
Energy Efficiency Strategies For Municipal Wastewater Treatment Facilities written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
Water and wastewater systems are significant energy consumers with an estimated 3%-4% of total U.S. electricity consumption used for the movement and treatment of water and wastewater. Water-energy issues are of growing importance in the context of water shortages, higher energy and material costs, and a changing climate. In this economic environment, it is in the best interest for utilities tofind efficiencies, both in water and energy use. Performing energy audits at water and wastewater treatment facilities is one way community energy managers can identify opportunities to save money, energy, and water. In this paper the importance of energy use in wastewater facilities is illustrated by a case study of a process energy audit performed for Crested Butte, Colorado's wastewater treatment plant. The energy audit identified opportunities for significant energy savings by looking at power intensive unit processes such as influent pumping, aeration, ultraviolet disinfection, and solids handling. This case study presents best practices that can be readily adopted by facility managers in their pursuit of energy and financial savings in water and wastewater treatment. This paper is intended to improve community energy managers' understanding of the role that the water and wastewater sector plays in a community's total energy consumption. The energy efficiency strategies described provide information on energy savings opportunities, which can be used as a basis for discussing energy management goals with water and wastewater treatment facility managers.
Energy Consumption In Municipal Wastewater Treatment Facilities
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Author : David R. Greenwood
language : en
Publisher:
Release Date : 1980
Energy Consumption In Municipal Wastewater Treatment Facilities written by David R. Greenwood and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Sewage disposal categories.
Mass Flow And Energy Efficiency Of Municipal Wastewater Treatment Plants
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Author : Cao Ye Shi
language : en
Publisher: IWA Publishing
Release Date : 2011-09-14
Mass Flow And Energy Efficiency Of Municipal Wastewater Treatment Plants written by Cao Ye Shi and has been published by IWA Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-09-14 with Science categories.
Special Offer: Cao Ye Shi Author Set - Buy all three books together and save a total £76! Mass Flow and Energy Efficiency of Municipal Wastewater Treatment Plants presents the results of a series of studies that examined the mass flow and balance, and energy efficiency, of municipal wastewater treatment plants; it offers a vision of the future for municipal wastewater treatment plants. These studies were undertaken as part of the R & D program of the Public Utilities Board (PUB), Singapore. The book covers the latest practical and academic developments and provides: a detailed picture of the mass flow and transfer of Chemical Oxygen Demand (COD), solids, nitrogen and phosphorus and energy efficiency in a large municipal wastewater treatment plants in Singapore. The results are compared with the Strass wastewater treatment plant, Austria, which reaches energy self-sufficiency, and the approaches for improvement are proposed. a description of the biological conversions and mass flow and energy recovery in an up-flow anaerobic sludge blanket reactor - activated sludge process (UASB-ASP) - and compares this to the conventional activated sludge process. a comprehensive and critical review of the current state of the art of energy efficiency of municipal wastewater treatment plants including benchmarks, best available technologies and practices in energy saving and recovery, institution policies, and road maps to high energy recovery and high efficiency plants. a vision of future wastewater treatment plants including the major challenges of the paradigm shift from waste removal to resource recovery, technologies and processes to be studied, integrated sanitation system and management and policies. Mass Flow and Energy Efficiency of Municipal Wastewater Treatment Plants is a valuable reference on energy and sustainable management of municipal wastewater treatment plants, and will be especially useful for process and design researchers in wastewater research institutions, engineers, consultants and managers in water companies and water utilities, as well as students and academic staff in civil/sanitation/environment departments in universities.
Energy Consumption Conservation And Recovery In Municipal Wastewater Treatment
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Author :
language : en
Publisher:
Release Date : 1979
Energy Consumption Conservation And Recovery In Municipal Wastewater Treatment written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with categories.
The potentials for energy consumption, conservation, and recovery at municipal wastewater treatment plants are relatively small compared to the national energy figures. Nevertheless they are significant, particularly to local owners and operators. Estimates of energy consumption, as well as opportunities for conservation and energy recovery in municipal wastewater treatment operations, are reviewed. The relationship between energy conservation and aquaculture based wastewater treatment systems is also introduced. Finally, current DOE activities in this area are presented.
Appraisal Of Powdered Activated Carbon Processes For Municipal Wastewater Treatment
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Author : Alan J. Shuckrow
language : en
Publisher:
Release Date : 1977
Appraisal Of Powdered Activated Carbon Processes For Municipal Wastewater Treatment written by Alan J. Shuckrow and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Carbon, Activated categories.
Sewage And Biomass From Wastewater To Energy
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Author : Inamuddin
language : en
Publisher: John Wiley & Sons
Release Date : 2024-06-21
Sewage And Biomass From Wastewater To Energy written by Inamuddin and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-06-21 with Science categories.
Written and edited by a team of industry experts, this exciting new volume covers clean energy production from sewage and biomass while achieving a zero-waste strategy. Wastewater treatment plants are critical in protecting both the environment’s resources and human health. A wastewater treatment plant’s technological system focuses not only on the effectiveness of the treatment but on the costs and energy consumption of the entire system. Municipal wastewater treatment produces a significant amount of sewage sludge all over the world. The majority of this sludge’s dry matter content is made up of organic compounds which are not toxic, and they consist of both primary and secondary (microbiological) sludge. There is also a substantial quantity of inorganic substances in the sludge, along with a small quantity of toxic matter. Also, various raw sewage treatment options can include energy production (heat, electricity, or biofuel) to reduce dependence on external energy supply during treatment. The most important options used for energy production from sewage and biomass can use the following approaches: anaerobic digestion, co-digestion, incineration with energy recovery, co-incineration, pyrolysis, gasification, supercritical (wet) oxidation, and hydrolysis. Generally, these processes or methods are cost-effective, but they can still have some setbacks related to the nature of the methods or the raw material used for conversion. There are also operating conditions to comply with to get a successful outcome. This book combines information from many disciplines related to wastewater treatment technologies to show how the circular economy approach can be used to achieve zero waste and produce energy that can be useful for plants and communities. This approach focuses on clean technologies for green energy resources such as biohydrogen, biofuels, and biogas from biomass and sewage sludge for zero waste production. This is aimed to also integrate the issue of energy demand and the one of energy production.