Comparison of different modeling approaches to better evaluate greenhouse gas emissions from whole wastewater treatment plants

Biotechnology and Bioengineering
Lluís CorominasP A Vanrolleghem

Abstract

New tools are being developed to estimate greenhouse gas (GHG) emissions from wastewater treatment plants (WWTPs). There is a trend to move from empirical factors to simple comprehensive and more complex process-based models. Thus, the main objective of this study is to demonstrate the importance of using process-based dynamic models to better evaluate GHG emissions. This is tackled by defining a virtual case study based on the whole plant Benchmark Simulation Model Platform No. 2 (BSM2) and estimating GHG emissions using two approaches: (1) a combination of simple comprehensive models based on empirical assumptions and (2) a more sophisticated approach, which describes the mechanistic production of nitrous oxide (N(2) O) in the biological reactor (ASMN) and the generation of carbon dioxide (CO(2) ) and methane (CH(4) ) from the Anaerobic Digestion Model 1 (ADM1). Models already presented in literature are used, but modifications compared to the previously published ASMN model have been made. Also model interfaces between the ASMN and the ADM1 models have been developed. The results show that the use of the different approaches leads to significant differences in the N(2) O emissions (a factor of 3) but not in the CH(4) emissio...Continue Reading

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Citations

Jun 19, 2013·Environmental Science & Technology·Bing-Jie NiZhiguo Yuan
Feb 16, 2016·The Science of the Total Environment·Giorgio ManninaGustaf Olsson
Jul 17, 2013·Journal of Environmental Management·Lluís CorominasPeter A Vanrolleghem
Aug 24, 2013·Water Research·Ll CorominasA Shaw
Nov 19, 2013·The Science of the Total Environment·Alida CosenzaMarc B Neumann
Apr 21, 2018·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Nasir EmamiDiego Rosso
Feb 9, 2019·Water Environment Research : a Research Publication of the Water Environment Federation·Ying-Chu Chen
Jan 31, 2015·Water Science and Technology : a Journal of the International Association on Water Pollution Research·D MamaisT D Lekkas
Sep 18, 2020·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Giorgio ManninaTaise Ferreira Rebouças
Jul 27, 2012·Biotechnology and Bioengineering·Bing-Jie NiSudhir Murthy
Nov 14, 2015·Water Environment Research : a Research Publication of the Water Environment Federation·Dongwook KimDavid Kinnear

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