63957-40-4Relevant articles and documents
Highly efficient and reversible H2S capture by mercapto carboxylic anion functionalized ionic liquids
Wei, Liang,Geng, Zeyu,Liu, Yantong,Lu, Ruizhong,Xu, Yifan,Liu, Chunjie,Xu, Yun
, (2021/08/03)
Four mercapto carboxylic anion functionalized ionic liquids (MCA-ILs) were designed and applied in H2S uptake. The solubility of H2S in MCA-ILs aqueous solution was measured from 303.2 to 333.2 K and pressure up to 1.0 bar. The reaction equilibrium thermodynamic model (RETM) was applied to fit the experimental data. Impressively, it was found that mercapto carboxylic anion captured H2S through 1:1 and 2:1 M ratio manner, which was supported by the results of RETM and quantum chemistry calculations. Furthermore, the solubility of H2S in 95% [P4444][MSA] could reach up to 0.9 mol/mol ILs and the enthalpy of the reaction was low (–22.21 kJ/mol). Considering the high H2S absorption capacity and low energy consumption of desorption, we believe that MCA-ILs solutions could provide an attractive alternative to be used as absorbent in H2S uptake.
Quaternary ammonium salt type perrhenate ionic liquid and synthetic method and application thereof
-
Paragraph 0024, (2017/06/02)
The invention discloses quaternary ammonium salt type perrhenate ionic liquid and a synthetic method and application thereof. The method comprises the steps that alkyl ammonium bromide and KOH are reacted to obtain quaternary ammonium base, the quaternary ammonium base and perrhenate (NH4ReO4) metal salt are subjected to a replacement reaction, and quaternary ammonium salt type perrhenate ionic liquid is obtained. The synthesized quaternary ammonium salt type perrhenate ionic liquid is a pollution-free catalyst, has catalysis activity for lignocellulose, can be used as the catalyst for degrading lignocellulose to prepare reducing sugar, and the high yield is obtained.