公开(公告)号：AT253474B

公开(公告)日：1967-04-10

申请号：AT278965

申请日：1965-03-26

Applicant: BASF AG

Inventor： LUEHDEMANN ROLF DR ,  SCHROEDER WOLFGANG DR ,  HELMS ALFRED DR

IPC: C01B32/50 ,  C10K1/08 ,  C10K1/14

公开(公告)号：DE1794149A1

公开(公告)日：1971-04-01

申请号：DE1794149

申请日：1968-09-14

Applicant: BASF AG

Inventor： JOHN HARALD DIPL-ING ,  LUEHDEMANN ROLF DR ,  RITTINGER WILHELM DR ,  WALTER DR SAUM ,  SLIWKA ARTUR DR

IPC: B01D53/52 ,  C07C7/11 ,  C07C7/00

Abstract: A process for the removal of CO2 and/or H2S from gases containing olefins and acetylenes by absorption in an aqueous solution of an alkali metal salt of amino acid and desorption by decompressing and heating the solvent, which comprises treating the solvent, before or after desorption, with a hydrocarbon mixture substantially consisting of benzene for the purpose of removing impurities and, after said treatment, separating the hydrocarbon mixture from the aqueous solution.

公开(公告)号：DE922706C

公开(公告)日：1955-01-24

申请号：DEB0021108

申请日：1952-07-09

Applicant: BASF AG

Inventor： LUEHDEMANN ROLF DR

IPC: C01G53/08