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- W2093399146 abstract "This study investigates the feasibility of an anaerobic bioreactor for treating low contents of organic matter to generate organic acids and hydrogen. The device employed for this purpose was a horizontal packed-bed bioreactor fed with glucose-based synthetic wastewater and operated with hydraulic retention times from 0.5 to 2 h. A microbial biofilm was developed without previous inoculation, using expanded clay beads (4.8–6.3 mm) as support material. Alkalinity was found to be the main parameter affecting the production of hydrogen and organic acids, and the system produced optimal output when operating without a buffer agent. The average hydrogen production was 2.48, 2.15 and 1.81molH2mol-1 of glucose for NaHCO3 influent concentrations of 0, 1000 and 2000mgL-1, respectively. The operational regime of the bioreactor, the support material and the controlled alkalinity were effective in selecting and immobilizing microbial fermenting biofilms, which successfully produced hydrogen and organic acids throughout the operating period. Exploratory assays indicated the feasibility of organic acid extraction using an anionic polymeric resin." @default.
- W2093399146 created "2016-06-24" @default.
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- W2093399146 date "2008-01-01" @default.
- W2093399146 modified "2023-10-10" @default.
- W2093399146 title "Application of an anaerobic packed-bed bioreactor for the production of hydrogen and organic acids" @default.
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- W2093399146 doi "https://doi.org/10.1016/j.ijhydene.2007.10.009" @default.
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