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A review of chemical absorption of carbon dioxide for biogas upgrading

Abdeen, Fouad R. H. and Mel, Maizirwan and Jami, Mohammed Saedi and Ihsan, Sany Izan and Ismail, Ahmad Faris (2016) A review of chemical absorption of carbon dioxide for biogas upgrading. Chinese Journal of Chemical Engineering, 24 (6). pp. 693-702. ISSN 1004-9541

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Abstract

Significant attention has been given to biogas production, purification and upgrading as a renewable and clean fuel supplement. Biogas is a product of an anaerobic digestion process comprising methane, carbon dioxide, and trace amounts of other gases. Biogas purification removes trace gases in biogas for safe utilisation. Biogas upgrading produces methane-rich biogas by removing bulk carbon dioxide from the gas mixture. Several carbon dioxide removal techniques can be applied for biogas upgrading. However, chemical absorption of carbon dioxide for biogas upgrading is of special significance due to its operation at ambient or near ambient temperature and pressure, thus reducing energy consumption. This paper reviews the chemical absorption of carbon dioxide using amine scrubbing, caustic solvents scrubbing, and amino acid salts solutions scrubbing. Each of these techniques for biogas upgrading are discussed. The paper concludes that an optimised implementation of the chemical absorption techniques for biogas upgrading requires further research.

Item Type: Article (Review)
Additional Information: 4085/51205
Uncontrolled Keywords: Biogas upgradingbiofuel, CO2 capture,absorption,amine scrubbing, caustic scrubbing
Subjects: T Technology > TP Chemical technology > TP155 Chemical engineering
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Biotechnology Engineering
Kulliyyah of Engineering > Department of Mechanical Engineering
Depositing User: Associate Dr. Mohammed Saedi Jami, PhD CEng MIChemE
Date Deposited: 12 Jul 2016 15:59
Last Modified: 29 Mar 2017 15:23
URI: http://irep.iium.edu.my/id/eprint/51205

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