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231224s2015 xx |||||o 00| ||eng c |
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|a 10.2175/106143015X14362865226671
|2 doi
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|a pubmed24n0848.xml
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|a (NLM)26564584
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Kim, Dongwook
|e verfasserin
|4 aut
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| 245 |
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|a Comprehensive Numerical Modeling of Greenhouse Gas Emissions from Water Resource Recovery Facilities
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|c 2015
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 24.03.2016
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|a Date Revised 07.12.2022
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|a published: Print
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|a Citation Status MEDLINE
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|a A numerical model was developed to comprehensively predict greenhouse gas (GHG) emissions from water resource recovery facilities. An existing activated sludge model was extended to include a nitrifier-denitrification process and carbon dioxide (CO₂) as a state variable. The bioreactor model was coupled to a process-based digester model and an empirical model of indirect CO₂emissions. Direct emissions were approximately 90% of total GHG emissions for a plantwide simulation using the Modified Ludzack-Ettinger process. Biogenic CO₂, nitrous oxide (N₂O), and methane (CH₄) represented 10, 43, and 34% of total emissions. Simulating a dissolved oxygen controlled closed-loop system reduced both sensitivity and uncertainty of GHG emissions. Nitrous oxide emissions were much more sensitive under different design and operating conditions compared to CH₄and CO₂, indicating a significant mitigation potential. An uncertainty analysis found that the uncertainty in GHGs emissions estimates could be significant. Nitrous oxide emissions dominated in both magnitude and uncertainty
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Waste Water
|2 NLM
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|a Carbon Dioxide
|2 NLM
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|a 142M471B3J
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|a Nitrous Oxide
|2 NLM
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|a K50XQU1029
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|a Methane
|2 NLM
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1 |
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|a Bowen, James D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kinnear, David
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Water environment research : a research publication of the Water Environment Federation
|d 1998
|g 87(2015), 11 vom: 15. Nov., Seite 1955-69
|w (DE-627)NLM098214292
|x 1554-7531
|7 nnns
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| 773 |
1 |
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|g volume:87
|g year:2015
|g number:11
|g day:15
|g month:11
|g pages:1955-69
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|u http://dx.doi.org/10.2175/106143015X14362865226671
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