公开(公告)号：US3557530A

公开(公告)日：1971-01-26

申请号：US3557530D

申请日：1970-01-21

Applicant: HOECHST AG

Inventor： VOIGT HARTMUT ,  MALOW EGON ,  WETZEL WALTER ,  SCHNECK ERICH

IPC: C07C7/11 ,  B01D19/00

CPC classification number: C07C7/11 ,  C07C11/24

Abstract: Process for the separation of acetylene from gases obtained by pyrolysis by absorption by means of a high boiling solvent which absorbs acetylene selectively and by subsequent desorption, in which the portions of the gas components absorbed by the solvent are again expelled in several stages, partly with the use of stripping gases.

公开(公告)号：CA670143A

公开(公告)日：1963-09-10

申请号：CA670143D

Applicant: HOECHST AG

Inventor： STEINMETZ ALFONS ,  GRAFEN KARLHEINZ ,  WETZEL WALTER ,  SCHERER OTTO ,  KUHN HEINRICH