Document Detail


Acidogenic fermentation of vegetable based market waste to harness biohydrogen with simultaneous stabilization.
MedLine Citation:
PMID:  19230653     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Vegetable based market waste was evaluated as a fermentable substrate for hydrogen (H(2)) production with simultaneous stabilization by dark-fermentation process using selectively enriched acidogenic mixed consortia under acidophilic microenvironment. Experiments were performed at different substrate/organic loading conditions in concurrence with two types of feed compositions (with and without pulp). Study depicted the feasibility of H(2) production from vegetable waste stabilization process. H(2) production was found to be dependent on the concentration of the substrate and composition. Higher H(2) production and substrate degradation were observed in experiments performed without pulp (23.96 mmol/day (30.0 kg COD/m(3)); 13.96 mol/kg COD(R) (4.8 kg COD/m(3))) than with pulp (22.46 mmol/day (32.0 kg COD/m(3)); 12.24 mol/kg COD(R) (4.4 kg COD/m(3))). Generation of higher concentrations of acetic acid and butyric acid was observed in experiments performed without pulp. Data enveloping analysis (DEA) was employed to study the combined process efficiency of system by integrating H(2) production and substrate degradation.
Authors:
S Venkata Mohan; G Mohanakrishna; R Kannaiah Goud; P N Sarma
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2009-02-20
Journal Detail:
Title:  Bioresource technology     Volume:  100     ISSN:  1873-2976     ISO Abbreviation:  Bioresour. Technol.     Publication Date:  2009 Jun 
Date Detail:
Created Date:  2009-03-24     Completed Date:  2009-05-26     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9889523     Medline TA:  Bioresour Technol     Country:  England    
Other Details:
Languages:  eng     Pagination:  3061-8     Citation Subset:  IM    
Affiliation:
Bioengineering and Environmental Centre, Indian Institute of Chemical Technology, Hyderabad, AP 500 007, India. vmohan_s@yahoo.com
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MeSH Terms
Descriptor/Qualifier:
Bacteria, Anaerobic / metabolism*
Bioreactors / microbiology*
Computer Simulation
Garbage*
Hydrogen
Industrial Waste
Models, Biological*
Sewage / microbiology*
Vegetables / microbiology*
Chemical
Reg. No./Substance:
0/Industrial Waste; 0/Sewage; 1333-74-0/Hydrogen

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


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