Patent ID: 9358497
Filing Date: 2016-06-07
CPC Classification: B01D,Y02C

Claim Text:
1. An ionic liquid solvent for gas purification and separation, consisting of a main absorbent, a regulator for the main absorbent, an auxiliary absorbent, an activator, an antioxidant and water, wherein based on the total weight of the ionic liquid solvent, the ionic liquid solvent comprises 2-95 wt % of alkylolamine functionalized ionic liquid as the main absorbent; 0-30 wt % of heterocyclic ionic liquid or amino acid ionic liquid as the regulator for the main absorbent; 0.1-30 wt % of alkylolamine organic solvent as the auxiliary absorbent; 0-5 wt % of activator; 0.1-1 wt % of antioxidant and 0.1-50 wt % of water.