Alternative materials in technologies for Biogas upgrading via CO2 capture

Kui Zhou, Somboon Chaemchuen and Francis Verpoort

Renewable and Sustainable Energy Reviews, 2017, vol. 79, issue C, 1414-1441

Abstract: Biogas is a renewable fuel source of methane that can be used as energy for vehicles after a purification process to remove impurities (Biogas upgrading and cleaning). However, removal of CO2 from methane is one of the critical steps for biogas upgrading and is limiting its commercial application. An overview of the materials in technologies of separation (membrane) and sorption (sorbents) know-how, including chemisorbents and physisorbents, has been made with a particular emphasis on biogas upgrading. The alternative properties and possibilities of different technologies and materials for CO2 separation, including alkanol amine, solid alkanol amine, zeolites, carbonaceous, metal-organic frameworks (MOFs), zeolitic imidazolate frameworks (ZIFs), and membrane applied for purifying raw biogas (upgrading) to produce bio-methane and on the other hand, to reduce CO2 emission from fossil fuel are discussed in this review.

Keywords: CO2 separation; CO2 capture; Sorption technology; Sorbent; Biogas upgrading; Biofuel (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (14)

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DOI: 10.1016/j.rser.2017.05.198

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