Document Detail

Production of bio-fuels (hydrogen and lipids) through a photofermentation process.
MedLine Citation:
PMID:  20060291     Owner:  NLM     Status:  MEDLINE    
The purple non-sulfur photosynthetic bacteria Rhodopseudomonas palustris (strain 42OL) was investigated for a co-production of both bio-H(2) and biodiesel (lipids). The investigation was carried out using malic and glutamic acids in a fed-batch cultivation system under continuous irradiances of 36, 56, 75, 151, 320, 500, and 803 W m(-2). Boltzmann's sigmoidal regression model was used to determine growth kinetic parameters during hydrogen photoevolution. The upper limit of volumetric hydrogen photoevolution was 15.5 + or - 0.9 ml l(-1) h(-1). During the entire cultivation period (408 h), the highest average hydrogen production rate (HPR(av)) of 11.1 + or - 3.1 ml l(-1) h(-1) was achieved at an irradiance of 320 W m(-2). Biomasses stored at the end of each experimental set were analyzed in order to determine lipid content, which ranged from a minimum of 22 + or - 1% to a maximum of 39 + or - 2% of biomass dry weight.
Pietro Carlozzi; Arianna Buccioni; Sara Minieri; Benjamin Pushparaj; Raffaella Piccardi; Alba Ena; Cristina Pintucci
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-01-08
Journal Detail:
Title:  Bioresource technology     Volume:  101     ISSN:  1873-2976     ISO Abbreviation:  Bioresour. Technol.     Publication Date:  2010 May 
Date Detail:
Created Date:  2010-02-03     Completed Date:  2010-04-13     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9889523     Medline TA:  Bioresour Technol     Country:  England    
Other Details:
Languages:  eng     Pagination:  3115-20     Citation Subset:  IM    
Copyright Information:
Copyright 2009 Elsevier Ltd. All rights reserved.
Istituto per lo Studio degli Ecosistemi, Sede di Firenze, Consiglio Nazionale delle Ricerche, Polo Scientifico, Via Madonna del Piano n. 10, 50019 Sesto Fiorentino, Firenze, Italy.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Fermentation / radiation effects*
Hydrogen / metabolism*
Lipid Metabolism / radiation effects*
Photobiology / methods*
Regression Analysis
Rhodopseudomonas / growth & development,  metabolism
Time Factors
Reg. No./Substance:
0/Biofuels; 1333-74-0/Hydrogen

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

Previous Document:  Quantification and comparison of ammonia-oxidizing bacterial communities in MBRs treating various ty...
Next Document:  Stimulation of in vitro anaerobic oxidation of methane rate in a continuous high-pressure bioreactor...