METHOD OF CONDUCTING PROCESS OF ABSORBING VOLATILE SUBSTANCE WITH LIQUID ABSORBENT Russian patent published in 2013 - IPC B01D3/34 F25B15/16 

FIELD: chemistry.

SUBSTANCE: invention relates to a method of conducting a process of absorbing a volatile substance, which is water, ammonia or carbon dioxide, from a gas phase with a liquid absorbent which contains an ionic liquid and a wetting additive, by bringing the gas phase into contact with a film of the absorbent. The wetting additive is selected from a group comprising nonionic surfactants, amphoteric surfactants and cationic surfactants. The invention also relates to an absorption refrigerating machine, having an absorber, a desorber, an evaporator, a condenser and a working body made from an absorbent and a volatile substance, wherein the absorber has a device for bringing the gas phase containing the volatile substance into contact with the absorbent film. The invention also relates to use a mixture of an absorbent containing a wetting additive and an ionic liquid, and a volatile substance as a working body in an absorption refrigerating machine.

EFFECT: method speeds up mass transfer and increases stability thereof over time during absorption, and also enables continuous absorption in small-size equipment.

14 cl, 2 tbl, 8 ex