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Fermentative hydrogen production by microbial consortium
Abstract Heat pre-treatment of the inoculum associated to the pH control was applied to select hydrogen-producing bacteria and endospores-forming bacteria. The source of inoculum to the heatExpand
Hydrogen production in an upflow anaerobic packed bed reactor used to treat cheese whey
Abstract In this work, an upflow anaerobic packed bed reactor configuration to produce hydrogen using cheese whey as the substrate was tested. The microbiological composition was linked to theExpand
Application of molecular techniques to evaluate the methanogenic archaea and anaerobic bacteria in the presence of oxygen with different COD:sulfate ratios in a UASB reactor.
It is confirmed that the presence of oxygen did not severely affect the metabolism of microorganisms that are commonly considered strictly anaerobic, and mean efficiencies of organic matter conversion and sulfate reducing higher than 74%. Expand
Organic loading rate impact on biohydrogen production and microbial communities at anaerobic fluidized thermophilic bed reactors treating sugarcane stillage.
It was obtained, for H2 yield and content, a decreasing trend by increasing the OLR, and among the organic acids obtained, there was a predominance of lactic acid and butyric acid. Expand
Sugarcane vinasse as substrate for fermentative hydrogen production: The effects of temperature and substrate concentration
Abstract The present study aimed to evaluate the hydrogen production of a microbial consortium using different concentrations of sugarcane vinasse (2–12 g COD L −1 ) at 37 °C and 55 °C. In mesophilicExpand
Evaluation of support materials for the immobilization of sulfate-reducing bacteria and methanogenic archaea.
This paper reports on the adhesion of sulfate-reducing bacteria (SRB) and methanogenic archaea on polyurethane foam (PU), vegetal carbon (VC), low-density polyethylene (PE) and alumina-based ceramicsExpand
Commercial laundry water characterisation
Surfactants are the major active ingredients of laundry detergents. Therefore, special attention should be focused on the treatment and disposal of laundry wastewater. The aim of this study was toExpand
Hydrogen production from cheese whey with ethanol-type fermentation: effect of hydraulic retention time on the microbial community composition.
The effects of different hydraulic retention times (HRTs) and varying sources of inoculum (sludge from swine and sludge from poultry) on the hydrogen production in two anaerobic fluidized bed reactors (AFBRs) were evaluated and indicated that the microbial community were affiliated with the genera Selenomonas sp. Expand
Hydrogen production from diluted and raw sugarcane vinasse under thermophilic anaerobic conditions
Abstract Two continuous anaerobic fluidized bed reactors (AFBRs) were operated under thermophilic (55 °C) temperature for 150 days to investigate the effect of dark H 2 fermentation of diluted andExpand
Hydrogen production from soft-drink wastewater in an upflow anaerobic packed-bed reactor
The production of hydrogen from soft-drink wastewater in two upflow anaerobic packedbed reactors was evaluated. The results show that soft-drink wastewater is a good source for hydrogen generation.Expand