公开(公告)号：DK141286C

公开(公告)日：1980-08-11

申请号：DK213775

申请日：1975-05-15

Applicant: SNAMPROGETTI S.P.A.

Inventor： RESCALLI C ,  GINNASI A

IPC: C07C7/08 ,  C07C1/00 ,  C07C7/00 ,  C07C7/10 ,  C07C7/148 ,  C07C11/09 ,  C07C11/167 ,  C07C41/06 ,  C07C67/00

Abstract: The present invention is directed to a process for the separation of butadiene from a stream-cracked C4 hydrocarbon stream by a sequential etherification of isobutylene and the acetylenic compounds that is followed by a distillation step.

公开(公告)号：DK140831C

公开(公告)日：1980-05-19

申请号：DK209775

申请日：1975-05-13

Applicant: SNAMPROGETTI S.P.A.

Inventor： RESCALLI C ,  PACIFICO A

IPC: C07C1/00 ,  C07C7/148 ,  C07C7/17 ,  C07C9/00 ,  C07C11/00 ,  C07C11/02 ,  C07C41/06 ,  C07C67/00

Abstract: The present invention provides a novel process for the separation of acetylenic compounds from saturated, olefinic and dienic hydrocarbons by etherifying the acetylenic compounds with an alcohol or a glycol in the presence of an acid ion-exchange resin containing mercuric ions.