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四川省荣县酒厂,一九七八年从解决液体酒车间酿酒废糟液对环境的污染出发,兴建成一口2000立方米U型沼气池,利用废糟液制取沼气,日产沼气2000多立方米。厂里相继进行了利用沼气发电、开汽车的试验研究,在技术、经济和社会效益上,都得到显著的成效。该项成果,曾分别获得商业部和四川省重大科技成果奖励。但是,沼气中的二氯化碳含量高,甲烷(CH_4)含量低,分别为60％和40％;热质低,腐蚀性较大,对沼气的综合利用受到了一些限制。为了更好地发挥沼气的效益,开发沼气的综合利用,发展新产品,荣县酒厂和自贡市鸿化总厂合作,在国内首次进行催化热钾碱法低压脱除沼气中的二氧化碳工业性
Sichuan Rongxian Winery, from 1978 to solve the liquor brewery waste liquor on the environment starting from pollution, built into a 2000 cubic meters of U-shaped biogas digester waste gas system to take biogas, Nissan biogas more than 2,000 cubic meters Meter. The factory has carried out the use of biogas power generation, motor vehicle pilot study, in terms of technical, economic and social benefits, have achieved remarkable results. The achievements, have won the Ministry of Commerce and Sichuan Province major scientific and technological achievements awards. However, biogas has high content of carbon dioxide and low methane (CH4) content of 60% and 40%, respectively. Low thermal mass and high corrosiveness have limited the comprehensive utilization of biogas. In order to give full play to the benefits of biogas, to develop comprehensive utilization of biogas, and to develop new products, Rongxian Winery cooperated with Honghua Plant of Zigong City for the first time in China to carry out the industrial production of low-pressure carbon dioxide in biogas by catalytic hot potash method