2014
DOI: 10.1016/j.biortech.2014.02.051
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Organic loading rate impact on biohydrogen production and microbial communities at anaerobic fluidized thermophilic bed reactors treating sugarcane stillage

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Cited by 70 publications
(40 citation statements)
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References 33 publications
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“…could produce H 2 in low amounts, besides the organic acids cited. Santos et al [14] used vinasse from sugarcane produced in the same distillery plant of the present study (São Martinho, Prad opolis, SP, Brazil) and verified the presence of the following microorganisms: Lactobacillus sp. and Megasphaera sp.…”
Section: Composition Of the Microbial Communitiesmentioning
confidence: 85%
See 1 more Smart Citation
“…could produce H 2 in low amounts, besides the organic acids cited. Santos et al [14] used vinasse from sugarcane produced in the same distillery plant of the present study (São Martinho, Prad opolis, SP, Brazil) and verified the presence of the following microorganisms: Lactobacillus sp. and Megasphaera sp.…”
Section: Composition Of the Microbial Communitiesmentioning
confidence: 85%
“…Some authors [8,12,13] who employed distillery residues have also started adapting or conditioning the reactor to produce hydrogen with simple substrates such as glucose and sucrose. So far, the effect of varying proportions of vinasse-glucose in thermophilic conditions has been tested [14]. However, a study employing different vinasse-glucose ratios for hydrogen production in the mesophilic range has not been performed.…”
Section: Introductionmentioning
confidence: 99%
“…In the two conditions, the most prevalent phylum was Firmicutes (68.73-67.61%). According to the literature, this phylum encompasses the main microorganisms that produce H 2 (Ratti et al 2013;Santos et al 2014).…”
Section: Bacterial Community Compositions and Diversitiesmentioning
confidence: 99%
“…(2) and (3). Theoretically, 4 mol and 2 mol of H 2 are produced from 1 mol of glucose when acetate and butyrate are the main fermentation products, respectively (Ratti et al 2014;Santos et al 2014).…”
Section: H 2 Production and Organic Acidsmentioning
confidence: 99%
“…Embora a rota fermentativa butírica seja comumente observada em sistemas acidogênicos 57 (Hwang et al, 2009a;Dong-Jie et al, 2011;Mariakakis et al, 2011;Ferraz Jr. et al, 2014b;Santos et al, 2014c;Ferraz Jr. et al, 2015a), a geração de metabólitos mais reduzidos, tais como o próprio HBu e o etanol, implica prejuízos à produção de hidrogênio, tendo em vista a retenção deste nas moléculas mais reduzidas (Fernandes et al, 2010). sob baixos valores de pH (<4,5-5,0) 58 (Antonopoulou et al, 2011;Dareioti et al, 2014;Ghimire et al, 2015), o acúmulo de etanol no APBR teve início previamente (~70° dia de operação) à queda no pH da vinhaça acidificada (~100° dia de operação), corroborando a hipótese de não estabelecimento da solventogênese no reator.…”
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