目前,农村沼气国债项目已进入快速建设的最佳阶段,每天都有新池建成,许多农户已将堆沤好的原料装入池内待产气使用。但是,个别农户装料几天后,只产臭气,打不着火。是什么原因造成沼气池只产臭气而不产沼气呢?主要原因是发酵细菌产生的甲烷气少,而其他发酵细菌产生的二氧化碳、 At present, the project of rural biogas national debt has entered the best stage of rapid construction. Every day, a new pool has been built and many farmers have already put their good raw materials into the pool for gas production. However, after several days of charging individual farmers, they only produce odor and can not catch fire. What causes biogas digesters to produce only odor without producing biogas? The main reason is that the fermentation bacteria produce less methane gas, while other fermentative bacteria produce carbon dioxide,