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我国目前推广应用的水压式沼气池有其优点,但也存在产气率低,池体大,出料困难等问题。由于发酵液浓度低,数量大,发酵后肥水的使用耗费大量的劳动力,影响了沼气在我国北方地区的迅速推广。为探索适合我区特点的沼气发酵新工艺,于1982年5
At present, the hydraulically activated biogas digester has its own advantages, but it also has some problems such as low gas production rate, large cell body and difficult discharge. Due to the low concentration of fermentation broth and large quantity, the use of fertilizer after fermentation consumes a large amount of labor force and affects the rapid popularization of biogas in northern China. In order to explore a new biogas fermentation technology suitable for our region, in 1982 5