Absorbing agent and method for eliminating acid gases from...

Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Carbon dioxide or hydrogen sulfide component

Reexamination Certificate

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C423S228000, C423S229000, C423S236000, C423S242700, C252S182120, C252S184000, C252S189000, C252S190000, C210S749000, C210S750000, C208S20800M, C208S236000, C208S237000, C048S127300, C048S127500

Reexamination Certificate

active

07374734

ABSTRACT:
The disclosure relates to an absorbent for removing acid gases from fluids. The absorbent contains at least one tertiary amine, an amine which is selected from hydroxyethylpiperazine, bis(hydroxyethylpiperazine) or a mixture of these and piperazine. The absorbent may optionally contain a physical solvent for the acid gases.

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