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在能源危机的背景下,作为重要生物能源之一的沼气已经越来越受到重视。沼气的应用目前已经不再局限于照明等传统用途。通过一系列的净化处理,沼气有了新的用途和价值,比如净化后并入天然气、作为汽车燃料等。微生物法处理沼气因其环境污染小、成本低和产生附加价值等优势成为比较热门的研究课题。文章主要对净化沼气中H2S和CO2的微生物分别进行了介绍并且对其诸多工艺中的关键影响因素进行了详细的阐述,结合现状分析提出了净化沼气中CO2和H2S的微生物在应用中存在的问题及其应用前景。
In the context of the energy crisis, biogas, one of the major bioenergy sources, has gained more and more attention. The application of biogas is no longer confined to traditional uses such as lighting. Through a series of purification treatment, biogas has new uses and values, such as purified gas into the merger, as automotive fuel. Microbial treatment of biogas due to its environmental pollution, low cost and generate additional value advantages such as become a hot research topic. In this paper, we mainly introduced the microorganisms of H2S and CO2 in purifying biogas respectively, and explained the key influencing factors in many processes. Combining with the status quo, we proposed the problems in the application of the microorganisms that purify CO2 and H2S in biogas And its application prospects.