Document Detail


Effects of household detergent on anaerobic fermentation of kitchen wastewater from food waste disposer.
MedLine Citation:
PMID:  23246938     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
This study examines the effects of household detergent on anaerobic methane fermentation of wastewater from food waste disposers (FWDs). Anaerobic toxicity assay (ATA) demonstrated that methane production substantially decreased at a higher detergent concentration. The Gompertz three-parameter model fitted well with the ATA results, and both the extent of methane production (M) and methane production rate (R(m)) obtained from the model were strongly affected by the concentration of the detergent. The 50% inhibitory concentration (IC(50)) of the detergent was 603mg/L based on R(m). Results from fatty acid methyl esters (FAMEs) analysis of microbial culture revealed that deterioration of methane fermentation was attributed to impaired structure of anaerobic microbial membrane due to detergent. This study suggests that wastewater from FWD could be used for methane production, but it is necessary to reduce the concentration of detergent prior to anaerobic fermentation.
Authors:
K H Lee; K Y Park; S K Khanal; J W Lee
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-16
Journal Detail:
Title:  Journal of hazardous materials     Volume:  244-245C     ISSN:  1873-3336     ISO Abbreviation:  J. Hazard. Mater.     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-12-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9422688     Medline TA:  J Hazard Mater     Country:  -    
Other Details:
Languages:  ENG     Pagination:  39-45     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier B.V. All rights reserved.
Affiliation:
Department of Environmental Engineering, College of Science and Technology, Korea University, 2511 Sejong-ro, Sejong city 339-700, South Korea.
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