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1 2015

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A Selection of Amine Sorbents for CO2Capture from Flue Gases

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Wilk A. , Więcław-Solny L. , Śpiewak D. , Spietz T. , Kierzkowska-Pawlak H.

Chemical and Process Engineering

2015

tom 36

nr 1

49-57

Amine absorption processes are widely used in the industry to purify refinery gases, process gases or natural gas. Recently, amine absorption has also been considered for CO2 removal from flue gases. It has a number of advantages, but there is one major disadvantage - high energy consumption. This can be reduced by using an appropriate sorbent. From a group of several dozen solutions, three amine sorbents were selected based on primary, tertiary and sterically hindered amines. The solutions were used to test CO2 absorption capacity, absorption kinetics and heat of CO2 absorption. Additional tests were performed on the actual absorber-desorber system to indicate the most appropriate sorbent for capturing CO2 from flue gases.