Scrubbing solution consisting of aqueous ammonia solution amines for the scrubbing of gas and use of such solution
AssigneeUhde GmbH
InventorJohannes Menzel
Life of this patent
Estimating the term…
Abstract
The invention relates to a process using a solvent combination for the gas scrubbing of industrial gases in order to separate acid gases, particularly including carbon dioxide and hydrogen sulphide. The inventive solvent combination consists of a solution of amines in water, said solution containing ammonia for improving the absorption of CO2. The group of primary and secondary amines includes all types of amines with one or two substituents. Particularly suitable as constituent of the inventive solvent combination is piperazine and piperazine derivatives.
Claims17
Scrubbing solution for the removal of acid gas constituents from industrial gases, the gas flow being brought into contact with a liquid absorption agent in a suitable scrubbing device, comprising:
- the liquid absorption agent is an aqueous solution containing ammonia and at least one amine, and
- the amine does not contain any hydroxy alkyl substituents in the molecule.
Dependencies are inferred from the claim text.