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我国研究和利用沼气已有70多年历史。目前,全国已建沼气池数百万个,沼气动力站约1000多座,沼气发电站约1300多座。沼气除直接作为生活燃料外,已用于发电、抽水、供热、农副产品加工等许多方面。自70年代以来,沼气技术的推广和应用已在我国农村得到长足发展。一个5～6口人的农村家庭,如果建立一个8～10立方米的沼气池,每天产气约1立方米,就可以基本满足煮饭和照明的需要。这对于农村,尤其是燃料来源匮乏的平原农村,其优越性更为显著。
China has more than 70 years of research and utilization of biogas. At present, millions of biogas plants have been built in the country, about 1,000 biogas power plants and about 1,300 biogas power stations. In addition to biogas directly as a living fuel, has been used in power generation, pumping, heating, agricultural and sideline products processing and many other aspects. Since the 1970s, the popularization and application of biogas technology has made great strides in rural China. A rural household of 5 to 6 persons can basically meet the needs of cooking and lighting if a biogas tank of 8 to 10 cubic meters is built and gas production is about 1 cubic meter per day. This is especially advantageous for the rural areas, especially the plains and rural areas where fuel sources are scarce.