Title N2O and Ch4 emission from wastewater collection and treatment systems : state of the science report and technical report / edited by Jeff Foley [and 8 others]

Published London, UK : IWA Publishing, 2015 ©2015

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Description 1 online resource (xxvi, 220 pages) : illustrations (some colour), maps Series GWRC report series GWRC report series. Contents Cover -- Copyright -- Contents -- About the GWRC -- Preface -- Acknowledgement -- Authors -- Contributors -- Summary -- Part I: State of the Science Report -- Chapter 1: Introduction -- 1.1 Background -- 1.2 Objectives -- 1.3 Boundaries Report -- 1.4 Outline Report -- Chapter 2: Current state of knowledge -- 2.1 N2O Formation -- 2.2 CH4 Emission -- 2.3 Emission Factors -- 2.3.1 Nitrous Oxide (N2O) -- 2.3.2 Methane (CH4) -- Chapter 3: Regulations around greenhouse gas emissions -- Chapter 4: Methodology -- 4.1 Field Sampling Sites N2O 4.2 Sample Collection and Analysis N2O4.2.1 Sample collection -- 4.2.2 Concentration -- 4.2.3 Gas flow -- 4.2.4 Additional data -- 4.2.5 Quality control -- 4.2.6 Calculations -- 4.3 Field Sampling Sites CH4 -- 4.3.1 Sewers -- 4.3.2 WWTPs -- 4.4 Sample Collection and Analysis CH4 -- 4.4.1 Liquid phase sample collection from sewers and analysis (Australia) -- 4.4.2 Sample collection and analysis gas phase sewers (USA) -- 4.4.3 Sample collection and analysis at WWTP -- 4.5 Mitigation Strategies Sewers -- 4.5.1 pH elevation -- 4.5.2 Nitrite addition 4.5.3 Iron salt addition4.6 Total Carbon Footprint WWTP -- Chapter 5: Results -- 5.1 N2O Emission from WWTPs -- 5.1.1 Emission of N2O -- 5.1.2 Origin of N2O emission -- 5.1.3 Process parameters of influence -- 5.2 CH4 Emission from Sewers -- 5.2.1 Liquid phase -- 5.2.2 Gas phase -- 5.2.3 Mitigation strategies -- 5.3 CH4 Emission from WWTPs -- 5.3.1 Emission of CH4 -- 5.3.2 Origin of emission -- 5.4 Total Carbon Footprint -- Chapter 6: Discussion -- 6.1 Methodology -- 6.1.1 N2O emission -- 6.1.2 CH4 emission -- 6.2 N2O Emission -- 6.2.1 Emission 6.2.2 Origin6.2.3 Process parameters influence -- 6.2.4 Implications of gained knowledge -- 6.2.5 Future research -- 6.3 CH4 Emission -- 6.3.1 Sewers -- 6.3.2 Mitigation strategies -- 6.3.3 WWTPs -- 6.4 Total Carbon Footprint WWTP -- Chapter 7: Conclusions and future research -- 7.1 Conclusions -- 7.1.1 N2O emission -- 7.1.2 CH4 emission -- 7.1.3 Total carbon footprint -- 7.2 Future Research -- Chapter 8: Acknowledgements -- 8.1 Australia Methane Research -- 8.2 Australia Nitrous Oxide Research -- 8.3 United States of America Nitrous Oxide Research 8.4 United States of America Methane Research8.5 Research Performed in the Netherlands -- Chapter 9: References -- Appendix 1.1: Sample collection with gas hoods -- Appendix 1.2: Abbreviations and glossary -- Appendix 1.3: DeKalb County's collection system -- Appendix 1.4: Characteristics WWTPs investigated in N2O research -- Appendix 1.5: Research area methane research Australia -- Part II: Technical Report -- Chapter 10: Introduction -- 10.1 Background -- 10.2 Objectives -- 10.3 Activities within the Global Water Research Framework Summary In a world where there is a growing awareness of the possible effects of human activities on climate change, there is a need to identify the emission of greenhouse gases (GHG) from wastewater treatment plants (WWTPs). In a world where there is a growing awareness of the possible effects of human activities on climate change, there is a need to identify the emission of greenhouse gases (GHG) from wastewater treatment plants (WWTPs). As a result of this growing awareness, governments started to implement regulations that require water authorities to report their GHG emissions. With these developments there exists a strong need for adequate insight into the emissions of N2O and CH4. With this insight water authorities would be able to estimate and finally reduce their emissions. The overall objectives of the different research programs performed by partners of the GWRC members WERF (United States of America), WSAA (Australia), CIRSEE-Suez (France) and STOWA (the Netherlands) were: To define the origin of N2O emission. To understand the formation processes of N2O. To identify the level of CH4 emissions from wastewater collection and treatment systems. To evaluate the use of generic emission factors to estimate the emission of N2O from individual plants Bibliography Includes bibliographical references Notes Print version record Subject Sewage disposal plants -- Environmental aspects Greenhouse gases. Continuous emission monitoring. Methane -- Environmental aspects Nitrous oxide -- Environmental aspects TECHNOLOGY & ENGINEERING -- Environmental -- General. Continuous emission monitoring Greenhouse gases Methane -- Environmental aspects Nitrous oxide -- Environmental aspects Sewage disposal plants -- Environmental aspects Form Electronic book Author Foley, Jeff, editor Global Water Research Coalition. ISBN 1780407343 9781780407340

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