公开(公告)号：US3657374A

公开(公告)日：1972-04-18

申请号：US3657374D

申请日：1970-02-26

Applicant: BASF AG

Inventor： SCHLOEMER KARL ,  NAGEL OTTO ,  PLATZ ROLF ,  MARTIN HANS

IPC: C07C7/148 ,  C07C7/171 ,  C07C11/24

CPC classification number: C07C7/14866 ,  C07C7/171 ,  Y10S585/934 ,  C07C11/09

Abstract: RECOVERY OF ISOBUTYLENE FROM MIXTURES OF C4-HYDROCARBONS BY ABSORPTION IN A MIXTURE OF TERT-BUTANOL, SULFURIC ACID AND WATER, RECOVERY OF TERT-BUTANOL BY HEATING THE AQUEOUS SOLUTION OF TERT-BUTANOL IN SULFURIC ACID AS AN AZEOTROPE WITH 12% WATER, FRACTIONATION OF THE SAID AZEOTROPE AND DECOMPOSITION OF THE TERT-BUTANOL BY PASSING IT OVER ALUMINA AT ABOUT 300*C.