Biogas fermentation is a hot topic of biomass energy research at home and abroad, and biogas fermentation raw materials are the key influencing factors of biogas fermentation process.The article mainly introduces the related research of biogas fermentation materials at home and abroad, the biogas fermentation raw materials can be divided into plant fermentation source, animal manure fermentation source, organic sewage fermentation source and mixed fermentation four categories, and points out that animal waste materials of large-scale centralized processing and optimization of the whole structure of biogas fermentation materials will become the future development direction of biogas fermentation materials, for the construction and development of biogas engineering has important practical significance.
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