Document Detail

Production of biofuels from pretreated microalgae biomass by anaerobic fermentation with immobilized Clostridium acetobutylicum cells.
MedLine Citation:
PMID:  22483558     Owner:  NLM     Status:  Publisher    
The purpose of this work was to study the possible use of pretreated biomass of various microalgae and cyanobacteria as substrates for acetone-butanol-ethanol (ABE) fermentation by Clostridium acetobutylicum cells immobilized into poly(vinyl alcohol) cryogel. To this end, the biochemical composition of photosynthetic microorganisms cultivated under various conditions was studied. The most efficient technique for pretreating microalgal biomass for its subsequent conversion into biofuels appeared to be thermal decomposition at 108°C. For the first time the maximum productivity of the ABE fermentation in terms of hydrogen (8.5mmol/L medium/day) was obtained using pretreated biomass of Nannochloropsis sp. Maximum yields of butanol and ethanol were observed with Arthrospira platensis biomass used as the substrate. Immobilized Clostridium cells were demonstrated to be suitable for multiple reuses (for a minimum of five cycles) in ABE fermentation for producing biofuels from pretreated microalgal biomass.
E N Efremenko; A B Nikolskaya; I V Lyagin; O V Senko; T A Makhlis; N A Stepanov; O V Maslova; F Mamedova; S D Varfolomeev
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-3-23
Journal Detail:
Title:  Bioresource technology     Volume:  -     ISSN:  1873-2976     ISO Abbreviation:  -     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-4-9     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 © 2012 Elsevier Ltd. All rights reserved.
Institute of Biochemical Physics, RAS, Kosygin Str. 4, Moscow 119334, Russia; Department of Chemistry, Lomonosov Moscow State University, Lenin Hills 1/3, Moscow 119991, Russia.
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