ADVANCED METHODS OF BIOGAS PURIFICATION – A REVIEW
One of the main environmental problems of today’s society is the continuously increasing production of organic wastes. The discovery of abundant natural gas resources has greatly increased the study of using methane as a feed stock to produce transportation fuels. Biogas (primarily containing methane and carbon dioxide), which is generated from biomass or organic waste via anaerobic digestion or from landfills, is regarded as a renewable source of methane, and has the potential to achieve sustainable production of transportation fuels. Since biogas also contains a significant amount of impurities (e.g.,hydrogen sulphide, ammonia, water vapor and siloxane), a procedure is generally required to clean it before its final use.In this paper are presented the advanced methods of biogas purification.
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