Document Detail

Enhanced acidogenic fermentation of food waste in a continuous-flow reactor.
MedLine Citation:
PMID:  12058816     Owner:  NLM     Status:  MEDLINE    
This study was performed to improve acidogenic fermentation of food waste in a continuous-flow reactor. The fermentation of food waste is affected by the fermentation constraints such as the biodegradability of substrate, the degrading capability of microorganisms and the environmental conditions. The key factors were, therefore, examined to control the fermentation constraints, such as the effect of seed inoculation and the effect of adjusting dilution rate. Acidogenic fermentation of food waste employing rumen microorganisms resulted in the enhanced efficiency (71.2%) as compared with that (59.8%) employing mesophilic acidogens. In addition, the fermentation efficiency increased from 71.2 to 82.0% by adjusting dilution rate from 3.0 to 1.0 d(-1) depending on the state of the fermentation. The main component of the acidified product was shifted from butyric to acetic acid. This meant that the increase of the fermentation efficiency was mainly caused by the enhanced degradation of vegetables and meats. The control of the fermentation constraints was, therefore, very effective in improving the fermentation efficiency of food waste.
Sun-Kee Han; Hang-Sik Shin
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA     Volume:  20     ISSN:  0734-242X     ISO Abbreviation:  Waste Manag Res     Publication Date:  2002 Apr 
Date Detail:
Created Date:  2002-06-12     Completed Date:  2002-11-19     Revised Date:  2008-07-09    
Medline Journal Info:
Nlm Unique ID:  9881064     Medline TA:  Waste Manag Res     Country:  England    
Other Details:
Languages:  eng     Pagination:  110-8     Citation Subset:  IM    
Department of Civil and Construction Engineering, Iowa State University, Ames 50011-3232, USA.
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MeSH Terms
Food Industry*
Hydrogen-Ion Concentration
Refuse Disposal / methods*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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