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利用作物秸秆生产可再生能源是解决环境污染和开辟新的能量资源的重要途径之一。秸秆中含有大量的纤维素、木质素,这是导致用秸秆制备沼气时产气率低的主要因素。本文综述了国内外用物理法、化学法、生物法预处理秸秆的相关研究进展,建议将其中的两种或三种方法结合起来处理秸秆,提高产气率。
The use of crop stalks to produce renewable energy is one of the important ways to solve environmental pollution and open up new energy resources. Straw contains large amounts of cellulose, lignin, which is the main factor leading to low gas production rate when using straw to produce biogas. This review summarizes the research progress of straw pretreatment by physical, chemical and biological methods at home and abroad. It is suggested that two or three of them should be combined to treat straw and increase the gas production rate.