Fundamentals of methanogenic pathways that are key to the biomethanation of complex biomass.
Fundamentals of methanogenic pathways that are key to the biomethanation of complex biomass.
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DOI:
10.1016/j.copbio.2011.04.011
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发表时间:
2011-06
影响因子:
7.7
通讯作者:
Ferry, James G.
中科院分区:
文献类型:
--
作者:
Ferry, James G.
The conversion of biomass to CH4 (biomethanation) involves an anaerobic microbial food chain composed of at least three metabolic groups of which the first two decompose the complex biomass primarily to acetate, formate, and H2. The thermodynamics of these conversions are unfavorable requiring a symbiosis with the CH4-producing group (methanogens) that metabolize the decomposition products to favorable concentrations. The methanogens produce CH4 by two major pathways, conversion of the methyl group of acetate and reduction of CO2 coupled to the oxidation of formate or H2. This review covers recent advances in the fundamental understanding of both methanogenic pathways with the view of stimulating research towards improving the rate and reliability of the overall biomethanation process.
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