Fermentative Hydrogen Production From Wastewater and Solid Wastes by Mixed Cultures
Citations
861 citations
Cites background from "Fermentative Hydrogen Production Fr..."
...cultures are more practical than those using pure cultures, because the former are simpler to operate and easier to control, and may have a broader source of feedstock [8]....
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...Species of genus Clostridium are gram-positive, rodshaped, strict anaerobes and endospore formers, whereas Enterobacter are gram-negative, rod-shaped, and facultative anaerobes [8]....
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...Thus more researches using pure cultures for continuous fermentative hydrogen production from organic wastes are recommended [8]....
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...of maintaining higher biomass concentrations and could operate at shorter HRT without biomass washout [8]....
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...Therefore fermentative hydrogen production has been received increasing attention in recent years [8]....
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711 citations
Cites background from "Fermentative Hydrogen Production Fr..."
...A mixed culture of hydrogen producers is generally preferred over a pure culture due to its practicability for environmental engineering applications, economic benefits in operation (as it can economize asepsis costs), easiness in control based on differential kinetics of microbial subgroups and broader feedstock choice [8,30,45]....
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...Enterobacter, Citrobacter), and even aerobes (Alcaligenes, Bacillus) [8]....
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...Shin et al. [41] detected the hydrogen producing microorganisms Thermoanaerobacterium thermosaccharolytium and Desulfotomaculum geothermicum in a thermophilic acidogenic culture, while Thermotogales strains and Bacillus species were detected in a mesophilic acidogenic culture by Polymerase Chain Reaction (PCR)-Denaturing Gradient Gel Electrophoresis (DDGE) analysis during DF of food waste....
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...Under heterotrophic conditions, the organic substrates are transformed into simpler organic compounds with simultaneous production of molecular hydrogen [7,8]....
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...The fermentation pathways depend on the substrates and the microbial metabolism [8]....
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710 citations
706 citations
Cites background from "Fermentative Hydrogen Production Fr..."
...[57] reported that 73 of 101 case studies were carried out at mesophilic temperatures....
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...Only a few studies have concerned the processes for treating high-solidcontent agricultural waste [57]....
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...Temperature Temperature is often considered as one of the most important parameters affecting both biohydrogen production yields and microbial metabolisms in mixed cultures [57]....
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...However, treating with effective concentrations of BES is not environmentally friendly and too costly for large-scale operations [57]....
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...microbial development in dark fermentation [57]....
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603 citations
References
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"Fermentative Hydrogen Production Fr..." refers background in this paper
...Over 80% of the energy consumed today in the world is derived from fossil fuels (Das and Veziroğlu, 2001), which will eventually become depleted in the not too distant future....
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...Yet, in nature, hydrogen may be produced biologically by autotrophs as well as heterotrophs (Nandi and Sengupta, 1998; Das and Veziroğlu, 2001; Hallenbeck and Benemann, 2002)....
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1,725 citations
"Fermentative Hydrogen Production Fr..." refers background in this paper
...For over two decades, environmental engineers have successfully commercialized anaerobic technology for the treatment of wastewater ( Fang and Liu, 2001 ) and solid wastes ( Mata-Alvarez et al, 2000 )....
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...For over two decades, environmental engineers have successfully commercialized anaerobic technology for the treatment of wastewater (Fang and Liu, 2001) and solid wastes (Mata-Alvarez et al., 2000)....
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