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231224s2018 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2017.03.019
|2 doi
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|a pubmed24n0900.xml
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|a (DE-627)NLM270102884
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|a (NLM)28320620
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|a (PII)S0956-053X(17)30166-6
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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 |
1 |
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|a Kong, Xin
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Effect of Fe0 addition on volatile fatty acids evolution on anaerobic digestion at high organic loading rates
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 13.08.2018
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|a Date Revised 02.12.2018
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2017 Elsevier Ltd. All rights reserved.
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|a Excessive acidification frequently occurs in the anaerobic digestion of the organic fraction of municipal solid waste (OFMSW) at high organic loading rates (OLR), due to the accumulation of non-acetic volatile fatty acids (VFA). In this study, the performance of Fe0 in enhancing various VFA production and metabolism was investigated. The butyric acid concentration in a high OLR reactor with Fe0 addition decreased from 7200 to 0mg/L after a short lag phase, and the total VFA (TVFA) concentration also decreased substantially. The corresponding dominant acidogenesis type also changed from butyric type to propionic type fermentation. Furthermore, the CH4 yield of the reactor with added Fe0 was approximately 595ml CH4/g VSadded, which was an increase of 41.7% compared with the biochemical methane potential (BMP) test results in controls without added ZVI. A microbial diversity analysis, using high throughput sequencing, showed that Methanofollis and Methanosarcina were dominant in terms of the archaeal structures of the Fe0 reactor at the butyric converting stage; however, Methanosaeta was predominant in the reactor during the control BMP test. These results suggested that Fe0 can convert non-acetic VFA to acetic VFA and improve the CH4 yield by enhancing the activity of methanogens
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|a Journal Article
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|a Anaerobic digestion
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|a Butyric type fermentation
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|a Microbial diversity
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|a OFMSW
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|a Zero-valent iron
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|a Fatty Acids, Volatile
|2 NLM
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|a Solid Waste
|2 NLM
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| 650 |
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|a Butyric Acid
|2 NLM
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| 650 |
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|a 107-92-6
|2 NLM
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| 650 |
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|a Methane
|2 NLM
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| 650 |
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|a OP0UW79H66
|2 NLM
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| 700 |
1 |
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|a Yu, Shuyao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Shuang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fang, Wen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Jianguo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Huan
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 71(2018) vom: 01. Jan., Seite 719-727
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
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|g volume:71
|g year:2018
|g day:01
|g month:01
|g pages:719-727
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|u http://dx.doi.org/10.1016/j.wasman.2017.03.019
|3 Volltext
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|d 71
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|b 01
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|h 719-727
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