Greenhouse Gas Emission And Mitigation In Municipal Wastewater Treatment Plants
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Greenhouse Gas Emission And Mitigation In Municipal Wastewater Treatment Plants
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Author : Xinmin Zhan
language : en
Publisher: IWA Publishing
Release Date : 2018-01-15
Greenhouse Gas Emission And Mitigation In Municipal Wastewater Treatment Plants written by Xinmin Zhan and has been published by IWA Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-15 with Science categories.
The wide adoption of wastewater treatment processes and use of novel technologies for improvement of nitrogen and phosphorus removals from wastewater have been introduced to meet stringent discharge standards. Municipal wastewater treatment plants (MWWTPs) are one of major contributors to the increase in the global GHG emissions and therefore it is necessary to carry out intensive studies on quantification, assessment and characterization of GHG emissions in wastewater treatment plants, on the life cycle assessment from GHG emission prospective, and on the GHG mitigation strategies. Greenhouse Gas Emission and Mitigation in Municipal Wastewater Treatment Plants summarizes the recent development in studies of greenhouse gas emissions (N2O, CH4 and CO2) in MWWTPs. It also summarizes the development in life cycle assessment on GHG emissions in consideration of the energy usage in MWWTPs. The strategies in mitigating GHG emissions are discussed and the book provides an overview for researchers, students, water professionals and policy makers on GHG emission and mitigation in MWWTPS and industrial wastewater treatment processes. The book is a valuable resource for undergraduate and postgraduate students in the water, climate, and energy areas of research. It is also a useful reference source for water professionals, government policy makers, and research institutes.
Quantification And Modelling Of Fugitive Greenhouse Gas Emissions From Urban Water Systems
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Author : Liu Ye
language : en
Publisher: IWA Publishing
Release Date : 2022-04-15
Quantification And Modelling Of Fugitive Greenhouse Gas Emissions From Urban Water Systems written by Liu Ye and has been published by IWA Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-04-15 with Science categories.
With increased commitment from the international community to reduce greenhouse gas (GHG) emissions from all sectors in accordance with the Paris Agreement, the water sector has never felt the pressure it is now under to transition to a low-carbon water management model. This requires reducing GHG emissions from grid-energy consumption (Scope 2 emissions), which is straightforward; however, it also requires reducing Scope 1 emissions, which include nitrous oxide and methane emissions, predominantly from wastewater handling and treatment. The pathways and factors leading to biological nitrous oxide and methane formation and emissions from wastewater are highly complex and site-specific. Good emission factors for estimating the Scope 1 emissions are lacking, water utilities have little experience in directly measuring these emissions, and the mathematical modelling of these emissions is challenging. Therefore, this book aims to help the water sector address the Scope 1 emissions by breaking down their pathways and influencing factors, and providing guidance on both the use of emission factors, and performing direct measurements of nitrous oxide and methane emissions from sewers and wastewater treatment plants. The book also dives into the mathematical modelling for predicting these emissions and provides guidance on the use of different mathematical models based upon your conditions, as well as an introduction to alternative modelling methods, including metabolic, data-driven, and AI methods. Finally, the book includes guidance on using the modelling tools for assessing different operating strategies and identifying promising mitigation actions. A must have book for anyone needing to understand, account for, and reduce water utility Scope 1 emissions.
Greenhouse Gas Emissions From Ecotechnologies For Wastewater Treatment
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Author : Juan Pablo Silva Vinasco
language : en
Publisher: CRC Press
Release Date : 2021-02-25
Greenhouse Gas Emissions From Ecotechnologies For Wastewater Treatment written by Juan Pablo Silva Vinasco and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-02-25 with Science categories.
Ecotechnologies for wastewater treatment (EWWT) have been used as a cost-effective alternative to conventional wastewater treatment methods for improving the removal of organic carbon, nutrients and pathogenic microorganisms from wastewater. However, due to biochemical transformations of organic matter and nutrients EWWT are net sources of CO2, CH4 and N2O greenhouse gases (GHGs), which may be transferred into the atmosphere contributing to global warming. Greenhouse Gas Emissions from Ecotechnologies for Wastewater Treatment provides scientific information about greenhouse gas, such as CO2, CH4 and N2O, generation and emissions from different municipal EWWT. The main EWWT considered in this book are anaerobic ponds, facultative ponds, duckweed-based ponds, and a freshwater natural wetland perturbed by anthropogenic activities such as wastewater discharge and nutrients from agricultural run-off. The book includes a full literature review of recent publications about GHGs emissions from EWWT. It also introduces the calculation of GHGs flux using a static chamber technique. Besides, the book presents information on the influence of environmental factors such as temperature, pH, DO, and nutrients on GHG emissions produced in EWWT under tropical conditions. This book will be a useful reference for researches and students interested in the broader area of water and climate change subjects. The publication may also be of interest to policy makers concerned with climate change, water sector planning, and wastewater treatment.
Quantification And Modelling Of Fugitive Greenhouse Gas Emissions From Urban Water Systems
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Author : Jose Porro
language : en
Publisher:
Release Date : 2020
Quantification And Modelling Of Fugitive Greenhouse Gas Emissions From Urban Water Systems written by Jose Porro and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with Electronic books categories.
Air Emissions From Municipal Wastewater Treatment Plant Energy Supply Options
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Author : Kathryn Kuber
language : en
Publisher:
Release Date : 2006
Air Emissions From Municipal Wastewater Treatment Plant Energy Supply Options written by Kathryn Kuber and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
Selected greenhouse gas and air pollutant emissions from municipal wastewater treatment plant energy supply scenarios were quantified and compared. In all scenarios, anaerobic digester biogas-fuelled energy recovery systems were utilized to meet thermal energy and electricity demands. Any demands not met by energy recovery systems were supplied by natural gas-fuelled boilers and the regional power grid. Each of the four scenarios analyzed included one of four energy recovery systems: boilers (the most common scenario), cogeneration internal combustion engines, cogeneration microturbines, or cogeneration phosphoric acid fuel cells. All of the cogeneration scenarios when compared to the Boiler Scenario lowered facility greenhouse gas emissions by more than 40% and sulphur dioxide emissions by more than 50%. In addition, the Fuel Cell Scenario lowered nitrogen oxide, carbon monoxide, and total particulate matter emissions by more than 50%. For the Internal Combustion Engine Scenario, nitrogen oxide emissions were 50% greater than the Boiler Scenario.
Greenhouse Gas Emissions From And Storm Impacts On Wastewater Treatment Plants
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Author : Li Sha Guo
language : en
Publisher:
Release Date : 2014
Greenhouse Gas Emissions From And Storm Impacts On Wastewater Treatment Plants written by Li Sha Guo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
This PhD thesis studied the interaction between wastewater treatment plants (WWTPs) and climate change, i.e. the production and emission of greenhouse gases (GHGs), especially nitrous oxide (N2O), from WWTPs and the effect of the climate change induced more intense rain events on WWTPs. Both field measurements and full-scale modelling were pursued in this research. A one-month measurement campaign was performed by installing on-line sensors at the aeration zone of the bioreactor of a 750,000 person equivalents WWTP, i.e. the Eindhoven WWTP in the Netherlands. The models of a full-scale virtual plant, i.e. the Benchmark Simulation Model No.2 (BSM2), and a full-scale real plant, i.e. the Eindhoven WWTP in the Netherlands, were extended with respect to GHG emissions, especially the pathways involving N2O. Two types of extended Activated Sludge Models (ASM) were developed, i.e. ASMG1 for COD/N removal and ASMG2d for COD/N/P removal. Besides heterotrophic N2O production, both proposed models include N2O production by nitrite denitrification by ammonia-oxidizing bacteria (AOB) and describe the DO effect on AOB N2O production by a modified Haldane kinetics term. Results showed that AOB are the major producer of N2O while the heterotrophs consume N2O considerably. The high N2O emissions occurred under high NH4+ and intermediate DO concentrations (up to 2.5 mg O2/l in this work). Such conditions can be created by NH4+-DO cascade control which aims at reducing energy consumption by lowering the DO concentrations when the NH4+ concentration is sufficiently low. Moreover, this cascade controller is a low-gain feedback control strategy, i.e. a significant delay will occur between the detection of a NH4+ increase and the increase in aeration. All these properties lead to conditions favourable to N2O production by AOB. Different alternative scenarios and control strategies were compared in terms of effluent quality, operational cost and GHG emissions. In the framework of BSM2, a good balance among effluent quality, operational cost and GHG emissions was realized by implementing a pure DO feedback controller in the first aeration zone and a NH4+-DO cascade controller in the following two aeration zones and using either step feed or sludge recycling control to deal with hydraulic shocks. Keywords: Activated sludge, wastewater treatment, process control, field measurements, full-scale mathematical modelling, greenhouse gases, nitrous oxide, wet weather conditions.
Protocols For Estimating Greenhouse Gas Emissions From Municipal Wastewater Sources
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Author : Water Environment Federation
language : en
Publisher:
Release Date : 2009
Protocols For Estimating Greenhouse Gas Emissions From Municipal Wastewater Sources written by Water Environment Federation and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Greenhouse gases categories.
This Technical Practice Update is intended to provide municipal utility managers with a brief summary of standardized protocols for greenhouse gas (GHG) emissions estimation in advance of regulation. Wastewater treatment and human wastewater are potentially significant sources of GHGs, specifically carbon dioxide, methane, and nitrous oxide.
Greenhouse Gas Emissions From Ecotechnologies For Wastewater Treatment
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Author :
language : en
Publisher:
Release Date : 2020
Greenhouse Gas Emissions From Ecotechnologies For 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 2020 with categories.
The Mbr Book
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Author : Simon Judd
language : en
Publisher: Elsevier
Release Date : 2011-04-18
The Mbr Book written by Simon Judd and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-04-18 with Technology & Engineering categories.
The MBR Book
The Greenhouse Gas Protocol
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Author :
language : en
Publisher: World Business Pub.
Release Date : 2004
The Greenhouse Gas Protocol written by and has been published by World Business Pub. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Business enterprises categories.
The GHG Protocol Corporate Accounting and Reporting Standard helps companies and other organizations to identify, calculate, and report GHG emissions. It is designed to set the standard for accurate, complete, consistent, relevant and transparent accounting and reporting of GHG emissions.