公开(公告)号：DE3514365C2

公开(公告)日：1995-07-20

申请号：DE3514365

申请日：1985-04-20

Applicant: BASF AG

Inventor： KAIBEL GERD

IPC: B01D3/14

公开(公告)号：DE3522234C2

公开(公告)日：1994-02-17

申请号：DE3522234

申请日：1985-06-21

Applicant: BASF AG

Inventor： KAIBEL GERD ,  HARTMANN HORST

IPC: B01D3/14 ,  B01D3/42

公开(公告)号：FI82924B

公开(公告)日：1991-01-31

申请号：FI841946

申请日：1984-05-15

Applicant: BASF AG

Inventor： BOTT KASPAR ,  KAIBEL GERD ,  HARTMANN HORST ,  IRNICH RUDOLF ,  BUELOW HORST

IPC: C07C53/02 ,  C07C51/00 ,  C07C51/44 ,  C07C67/00

公开(公告)号：NO157534B

公开(公告)日：1987-12-28

申请号：NO842152

申请日：1984-05-30

Applicant: BASF AG

Inventor： BOTT KASPAR ,  KAIBEL GERD ,  HARTMANN HORST ,  IRNICH RUDOLF ,  BUELOW HORST

IPC: C07C53/02 ,  C07C51/00 ,  C07C51/44 ,  C07C67/00

公开(公告)号：CA1217449A

公开(公告)日：1987-02-03

申请号：CA466304

申请日：1984-10-25

Applicant: BASF AG

Inventor： LINDNER ALFRED ,  KAIBEL GERD ,  WAGNER ULRICH ,  VOLKAMER KLAUS ,  SCHNEIDER KLAUS-JUERGEN ,  WEIS JOSEPHA ,  MAYER HANS-HORST

IPC: B01D3/40 ,  C07C1/00 ,  C07C7/08 ,  C07C11/02 ,  C07C11/12 ,  C07C67/00

Abstract: A conjugated diolefin and/or an olefin or olefin mixture are recovered from a C4- or C5-hydrocarbon mixture which contains the conjugated diolefin and/or the olefin or olefins, hydrocarbons which are more sparingly soluble in the selective solvent than are the said diolefin and/or olefin or olefins, and hydrocarbons which are more readily soluble in the said solvent than these are, by a process in which the C4- or C5hydrocarbon mixture is separated, by means of extractive distillation, into a distillate containing the more sparingly soluble hydrocarbons, a product stream containing the conjugated diolefin and/or the olefin or olefin mixture, and a stream containing the more readily soluble hydrocarbons.

公开(公告)号：AT21384T

公开(公告)日：1986-08-15

申请号：AT84105831

申请日：1984-05-22

Applicant: BASF AG

Inventor： BOTT KASPAR DR ,  KAIBEL GERD ,  HARTMANN HORST ,  IRNICH RUDOLF DR ,  BUELOW HORST DR

IPC: C07C53/02 ,  C07C51/00 ,  C07C51/44 ,  C07C67/00

公开(公告)号：DE3269843D1

公开(公告)日：1986-04-17

申请号：DE3269843

申请日：1982-09-18

Applicant: BASF AG

Inventor： AQUILA WERNER DR ,  NISSEN AXEL DR ,  KAIBEL GERD ,  HORNER MICHAEL DR ,  REBAFKA WALTER DR

IPC: A61K8/33 ,  A61Q13/00 ,  B01D3/34 ,  B01D3/38 ,  C07B31/00 ,  C07B63/00 ,  C07C27/00 ,  C07C29/141 ,  C07C29/80 ,  C07C31/04 ,  C07C33/025 ,  C07C45/00 ,  C07C45/82 ,  C07C47/21 ,  C07C67/00 ,  C11B9/00 ,  C11B9/02

Abstract: Distillative separation of liquid mixtures of one or more water-insoluble substances which have boiling points higher than that of water and one or more substances which have boiling points lower than that of water or which form azeotropes having boiling points lower than that of water, wherein the mixture to be distilled is mixed with a quantity of water such that the boiling point of the water under the pressure applied limits the bottom temperature of the mixture of substances to be separated.

公开(公告)号：NO152371C

公开(公告)日：1985-09-18

申请号：NO801034

申请日：1980-04-10

Applicant: BASF AG

Inventor： WOLF DIETER ,  SCHMIDT RUDOLF ,  BLOCK ULRICH ,  SCHOENMAKERS HARTMUT ,  BOTT KASPAR ,  KAIBEL GERD

IPC: C07C27/02 ,  C07C51/00 ,  C07C53/02 ,  C07C51/09 ,  C07C51/42 ,  C07C51/44 ,  C07C51/48 ,  C07C67/00

Abstract: Anhydrous or substantially anhydrous formic acid is obtained by hydrolysis of methyl formate, in a process wherein (a) methyl formate is hydrolyzed, (b) the methanol and excess methyl formate are distilled from the hydrolysis mixture obtained, (c) the bottom product of distillation (b), consisting of formic acid and water, is extracted, in a liquid-liquid extraction, with an extractant which in the main takes up the formic acid, (d) the resulting extract phase, consisting of formic acid, the extractant and a part of the water, is subjected to distillation, (e) the top product obtained from this distillation and consisting of all or part of the water introduced into the distillation, and part of the formic acid, is recycled, as vapor, into the lower part of the distillation column of stage (b), (f) the bottom product of distillation stage (d), consisting of the extractant, with or without part of the water, and the greater part of the formic acid, is separated by distillation into anhydrous or substantially anhydrous formic acid and the extractant, and (g) the extractant leaving stage (f) is recycled to the process.

公开(公告)号：DE3327952A1

公开(公告)日：1985-02-14

申请号：DE3327952

申请日：1983-08-03

Applicant: BASF AG

Inventor： KAIBEL GERD

IPC: B01D3/36 ,  B01D3/40 ,  B01D3/28

公开(公告)号：NO842152A

公开(公告)日：1984-12-03

申请号：NO842152

申请日：1984-05-30

Applicant: BASF AG

Inventor： BOTT KASPAR ,  KAIBEL GERD ,  HARTMANN HORST ,  IRNICH RUDOLF ,  BUELOW HORST

IPC: C07C53/02 ,  C07C51/00 ,  C07C51/44 ,  C07C67/00 ,  C07C

CPC classification number: C07C51/44 ,  C07C53/02