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US 2006/0138384 A1Published application
Absorbing agent and method for eliminating acid gases from fluids
AssigneeBASF SE
InventorsChristoph Grossman, Norbert Asprion
Life of this patent
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Abstract
Absorbent for removing acid gases from fluids, comprising a) at least one tertiary alkanolamine and b) an amine which is selected from hydroxyethylpiperazine, bis(hydroxyethylpiperazine) or a mixture thereof.
Claims20
An absorbent for removing acid gases from fluids, comprising
- a) at least one tertiary alkanolamine selected from the group consisting of methyldiethanolamine, triethanolamine, ethyldiethanolamine or diethylethanolamine;
- b) an amine which is selected from hydroxyethylpiperazine, or a mixture of hydroxyethylpiperazine and, and bis(hydroxyethylpiperazine), and
- c) piperazine.
Dependencies are inferred from the claim text.