Document Detail


Monitoring the biochemical hydrogen and methane potential of the two-stage dark-fermentative process.
MedLine Citation:
PMID:  21262569     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
A two-step process has been recently proposed whereby the products of biological hydrogen production processes are used as substrates for biological methane production. The aim of the present study is to evaluate a simple bench-scale batch procedure for measuring the biochemical hydrogen and methane potential of organic substances as a two-step simulated process. Glucose fermentation showed an hydrogen and methane recovery (measured as the ratio of electron equivalents recovered as hydrogen and methane and electron equivalents of the initial substrate added) from the initial substrate of 13.3% and 75.5%, respectively, that approximates mass balance closure. On the contrary, gas recoveries ranging from 61% to 75% were measured from wastes originating from the food-industry. Moreover, the results demonstrate that the substrate origins significantly influence the ratio of H(2) and CH(4) recovery.
Authors:
Andrea Giordano; Cristina Cantù; Alessandro Spagni
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-1-1
Journal Detail:
Title:  Bioresource technology     Volume:  -     ISSN:  1873-2976     ISO Abbreviation:  -     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2011-1-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9889523     Medline TA:  Bioresour Technol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier Ltd. All rights reserved.
Affiliation:
ENEA - Italian National Agency for New Technologies, Energy and Sustainable Economic Development, Environment Department, Water Resource Management Section, via M.M. Sole 4, 40129 Bologna, Italy.
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