公开(公告)号：US3642929A

公开(公告)日：1972-02-15

申请号：US3642929D

申请日：1970-09-10

Applicant: KNAPSACK AG

Inventor： SENNEWALD KURT ,  OHORODNIK ALEXANDER ,  DETTMEIER UDO

IPC: C07C7/11 ,  C07C11/24 ,  C07C11/12

CPC classification number: C07C7/11 ,  C07C11/24

Abstract: ISOLATION AND RECOVERY OF ACETYLENE FROM AN ACETYLENECONTAINING GAS MIXTURE BY INTIMATELY CONTACTING THE SAID GAS MIXTURE WITH A SOLVENT, THAT IS CXAPABLE OF SELECTIVELY EXTRACTING AND ABSORBING THE ACETYLENE, AND EXPELLING THE ABSORBED ACETYLENE FROM THE SOLVENT. THE ACETYLENE IS MORE PARTICULARLY ISOLATED AND RECOVERED WITH THE USE OF A SOLVENT SUBSTANTIALLY CONSISTING OF DIMETHYLPHOSPHINE OXIDE, METHYLETHYLPHOSPHINE OXIDE OF DIETHYLPHOSPHINE OXIDE.