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Desulphurization of Flue Gas: SO2 Absorption by an Ionic Liquid

Date: 05-17-2004   source: Buxing Han   Print

Weize Wu, Buxing Han*, Haixiang Gao, Zhimin Liu, Tao Jiang, Jun Huang


The ionic liquid, 1,1,3,3- tetramethylguanidine lactate, can absorb SO2 from a simulated flue gas effectively with high absorption capacity. The absorbed SO2 can be reversibly desorbed by vacuum or heating, and the IL can be reused. This method has potential applications such as removal of SO2 pollutants, and the separation of gas mixtures that contain SO2.


Angew. Chem. Int. Ed. Engl. 2004, 43, 2415-2417;


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