-
公开(公告)号:NO801615A
公开(公告)日:1980-12-03
申请号:NO801615
申请日:1980-05-30
Applicant: HOECHST AG
Inventor: HEISKEL ELMAR , LENDLE WILHELM
-
12.
公开(公告)号:CA983950A
公开(公告)日:1976-02-17
申请号:CA845018
申请日:1962-03-23
Applicant: HOECHST AG
Inventor: RIEMENSCHNEIDER WILHELM , QUADFLIEG THERESE , LENDLE WILHELM , HIERONYMUS ERNST , SCHMIDT KARL H
IPC: B01J31/04 , B01J31/22 , B01J31/40 , C07C67/055 , C07C69/00 , C07C69/01 , C07C69/145 , C07C69/15
-
公开(公告)号:BR8904332A
公开(公告)日:1990-04-17
申请号:BR8904332
申请日:1989-08-29
Applicant: HOECHST AG
Inventor: LENDLE WILHELM , SCHEIBITZ WOLFGANG , TETZLAFF HERIBERT , WOJTECH BERNHARD
Abstract: A process is disclosed for the separation of halogenated hydrocarbons from concentrated hydrochloric acid, which contains 10 to 37% by weight of hydrogen chloride. The hydrochloric acid is freed from the halogenated hydrocarbons in an extraction with paraffins having more than 7 carbon atoms, or with paraffin waxes having dropping points from 70 DEG to 160 DEG C. or with paraffin/paraffin wax mixtures, preferably in a continuous counterflow extraction or cross-flow extraction.
-
公开(公告)号:DE3620069A1
公开(公告)日:1988-01-21
申请号:DE3620069
申请日:1986-06-14
Applicant: HOECHST AG
Inventor: POST HENDRIK W , VON PLESSEN HELMOLD , LENDLE WILHELM
IPC: C07B61/00 , B01J21/04 , C07C17/00 , C07C17/16 , C07C17/38 , C07C17/395 , C07C19/03 , C07C67/00 , C07C19/02
Abstract: A process is described for the removal of dimethyl ether in methyl chloride by catalytic cleavage by means of hydrogen chloride. Dimethyl ether is present as an impurity in crude methyl chloride produced by the catalytic esterification of methanol. The crude methyl chloride is cooled so that water and hydrogen chloride separate out. Gaseous hydrogen chloride is then added to the methyl chloride in an amount corresponding to at least twice the molar amount of dimethyl ether, and the gaseous mixture is passed over a methanol esterification contact catalyst at an elevated temperature.
-
公开(公告)号:FI70203C
公开(公告)日:1986-09-15
申请号:FI801745
申请日:1980-05-29
Applicant: HOECHST AG
Inventor: HEISKEL ELMAR , LENDLE WILHELM
-
公开(公告)号:AU532886B2
公开(公告)日:1983-10-20
申请号:AU5895980
申请日:1980-06-02
Applicant: HOECHST AG
Inventor: HEISKEL ELMAR , LENDLE WILHELM
-
公开(公告)号:AU8078182A
公开(公告)日:1982-09-02
申请号:AU8078182
申请日:1982-02-25
Applicant: HOECHST AG
Inventor: GRUNBEIN WOLFGANG , LENDLE WILHELM , POST HENDRIK WILLEM , RICHTER HEINZ , ROSSBERG MANFRED
-
公开(公告)号:CA729666A
公开(公告)日:1966-03-08
申请号:CA729666D
Applicant: HOECHST AG
Inventor: LENDLE WILHELM , WIRTZ RUDOLF
-
公开(公告)号:ES2021634B3
公开(公告)日:1991-11-16
申请号:ES87108376
申请日:1987-06-10
Applicant: HOECHST AG
Inventor: POST HENDRIK WILLEM , VON PLESSEN HELMOLD , LENDLE WILHELM
-
公开(公告)号:BR8200968A
公开(公告)日:1983-01-04
申请号:BR8200968
申请日:1982-02-25
Applicant: HOECHST AG
Inventor: MARTIN ERWIN , GUNBEIN WOLFGANG , LENDLE WILHELM , POST HENDRIK WILLEM , RICHTER HEINZ , ROSSBERG MANFRED
-
-
-
-
-
-
-
-
-