Evaluating Colombian Clostridium spp. Strains hydrogen production using glycerol as substrate

Background: The ability for hydrogen production of 13 native strains of Clostridium spp. strains isolated from Colombian soil was evaluated using glycerol substrate. Glycerol to hydrogen conversion was investigated using a batch fermentation reactor and industrial glycerol source (50 g.l-1, pH 7.00)...

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Autores principales: Bernal,Mauricio, Tinoco,Lizeth K, Torres,Luz, Malagón-Romero,Dionisio, Montoya,Dolly
Lenguaje:English
Publicado: Pontificia Universidad Católica de Valparaíso 2013
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Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582013000200005
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spelling oai:scielo:S0717-345820130002000052013-03-27Evaluating Colombian Clostridium spp. Strains hydrogen production using glycerol as substrateBernal,MauricioTinoco,Lizeth KTorres,LuzMalagón-Romero,DionisioMontoya,Dolly anaerobic fermentation biofuel Clostridium spp glycerol, hydrogen mathematical model Background: The ability for hydrogen production of 13 native strains of Clostridium spp. strains isolated from Colombian soil was evaluated using glycerol substrate. Glycerol to hydrogen conversion was investigated using a batch fermentation reactor and industrial glycerol source (50 g.l-1, pH 7.00). Results: The results were quantified regarding acids, hydrogen, biomass and solvent production. The selected strain gave good hydrogen over production output at 14.4 mmol H2.l-1, productivity 0.3167 mg H2.h-1 l-1 culture mediumand yield 0.1962 mol H2.mol-1 glycerol. A further fermentation assay a 4.0 liter batch reactor let to being 0.26 mg.l-1.h-1 after 18 hrs of fermentation. Logistic model, Luedeking-Piret model and Luedeking-Piret modified models were used for modeling changes in cell growth, hydrogen production and substrate consumption (Correlation coefficients R² = 0.95 for biomass substrate, R² = 0.77 hydrogen production). Conclusions: Our results indicate that hydrogen production through glycerol bioconversion by native strains is possible.info:eu-repo/semantics/openAccessPontificia Universidad Católica de ValparaísoElectronic Journal of Biotechnology v.16 n.2 20132013-03-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582013000200005en10.2225/vol16-issue2-fulltext-4
institution Scielo Chile
collection Scielo Chile
language English
topic anaerobic fermentation
biofuel
Clostridium spp
glycerol, hydrogen
mathematical model
spellingShingle anaerobic fermentation
biofuel
Clostridium spp
glycerol, hydrogen
mathematical model
Bernal,Mauricio
Tinoco,Lizeth K
Torres,Luz
Malagón-Romero,Dionisio
Montoya,Dolly
Evaluating Colombian Clostridium spp. Strains hydrogen production using glycerol as substrate
description Background: The ability for hydrogen production of 13 native strains of Clostridium spp. strains isolated from Colombian soil was evaluated using glycerol substrate. Glycerol to hydrogen conversion was investigated using a batch fermentation reactor and industrial glycerol source (50 g.l-1, pH 7.00). Results: The results were quantified regarding acids, hydrogen, biomass and solvent production. The selected strain gave good hydrogen over production output at 14.4 mmol H2.l-1, productivity 0.3167 mg H2.h-1 l-1 culture mediumand yield 0.1962 mol H2.mol-1 glycerol. A further fermentation assay a 4.0 liter batch reactor let to being 0.26 mg.l-1.h-1 after 18 hrs of fermentation. Logistic model, Luedeking-Piret model and Luedeking-Piret modified models were used for modeling changes in cell growth, hydrogen production and substrate consumption (Correlation coefficients R² = 0.95 for biomass substrate, R² = 0.77 hydrogen production). Conclusions: Our results indicate that hydrogen production through glycerol bioconversion by native strains is possible.
author Bernal,Mauricio
Tinoco,Lizeth K
Torres,Luz
Malagón-Romero,Dionisio
Montoya,Dolly
author_facet Bernal,Mauricio
Tinoco,Lizeth K
Torres,Luz
Malagón-Romero,Dionisio
Montoya,Dolly
author_sort Bernal,Mauricio
title Evaluating Colombian Clostridium spp. Strains hydrogen production using glycerol as substrate
title_short Evaluating Colombian Clostridium spp. Strains hydrogen production using glycerol as substrate
title_full Evaluating Colombian Clostridium spp. Strains hydrogen production using glycerol as substrate
title_fullStr Evaluating Colombian Clostridium spp. Strains hydrogen production using glycerol as substrate
title_full_unstemmed Evaluating Colombian Clostridium spp. Strains hydrogen production using glycerol as substrate
title_sort evaluating colombian clostridium spp. strains hydrogen production using glycerol as substrate
publisher Pontificia Universidad Católica de Valparaíso
publishDate 2013
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582013000200005
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