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. 2022 Mar 15;7(12):10413–10419. doi: 10.1021/acsomega.1c07139

Table 1. SO2 Absorption Capacity in the Three Functional ILs Aqueous Solutions.

    absorption capacity of SO2a
entry absorbents (mIL:mH2O = 1:1) g SO2/g abs mol SO2/mol IL
1 [MEA][Lac]+H2O 0.067 0.32
2 [TMG][Lac]+H2O 0.089 0.57
3 [N2222][Lac]+H2O 0.103 0.71
a

Absorption conditions: temperature, 40.0 °C; SO2 concentration, 2.0%.