Highly efficient SO2 capture through tuning the interaction between anion-functionalized ionic liquids and SO2

[摘要]：A strategy to improve SO2 capture through tuning the electro-negativity of the interaction site in ILs has been presented. Two types of imidazolium ionic liquids that include less electronegative sulfur or carbon sites were used for the capture of SO2, which exhibit extremely highly available capacity, rapid absorption rate and excellent reversibility.

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