沼气,作为农村能源已推广使用多年。近几年,沼气又以治理环境污染、获取生活能源的双重目的在我市市区迅速兴起和发展。 1985年,我市食品公司投资4.2万元,建成总容积为180m~3的二级厌氧发酵沼气工程,年处理污水约2万吨,猪、人粪便400 Biogas, as rural energy has been widely used for many years. In recent years, biogas again with the control of environmental pollution, the dual purpose of access to life energy in our city rapid rise and development. In 1985, our city food company invested 42000 yuan, built a total volume of 180m ~ 3 two anaerobic fermentation biogas project, the annual sewage treatment of about 20,000 tons, pigs, human excrement 400