公开(公告)号：HU0302870A2

公开(公告)日：2003-11-28

申请号：HU0302870

申请日：2002-02-06

Applicant: BASF AG

Inventor： BOHNER GERD ,  KAIBEL GERD ,  KINDLER KLAUS ,  PAHL MELANIE

IPC: B01D3/40 ,  C07C7/08 ,  C07C11/167

Abstract: A process for recovering crude 1,3-butadiene from a C 4 fraction by extractive distillation using a selective solvent in a dividing wall column (TK) in which a dividing wall (T) is arranged in the longitudinal direction of the column to form a first subregion (A), a second subregion (B) and a lower common column region (C) and which is preceded by an extractive scrubbing column (K) is proposed.

公开(公告)号：CZ20031358A3

公开(公告)日：2003-08-13

申请号：CZ20031358

申请日：2001-11-15

Applicant: BASF AG

Inventor： BOHNER GERD ,  KINDLER KLAUS ,  PAHL MELANIE ,  KAIBEL GERD

IPC: B01D3/14 ,  C07C7/04 ,  C07C11/167

Abstract: A process for obtaining pure 1,3-butadiene from crude 1,3-butadiene by distillation is carried out in a dividing wall column in which a dividing wall is located in the longitudinal direction of the column to form an upper common column region, a lower common column region, a feed section and an offtake section.

公开(公告)号：DE59906010D1

公开(公告)日：2003-07-24

申请号：DE59906010

申请日：1999-04-13

Applicant: BASF AG

Inventor： KINDLER KLAUS ,  PUHL HUBERT

IPC: C07C7/08 ,  C07C9/10 ,  C07C11/08 ,  C07C11/16

Abstract: A C4-hydrocarbon mixture essentially containing 1,3-butadiene, butenes, butanes and other C4-hydrocarbons is separated into at least 4 fractions,a) the fraction (a) essentially comprising 1,3-butadiene,b) the fraction (b) essentially comprising butenes,c) the fraction (c) essentially comprising butanes andd) one or more fractions (d) essentially comprising 1,3-butadiene and the other C4-hydrocarbons,by extractive distillation by means of N-methyl-2-pyrrolidinone or an aqueous solution of N-methyl-2-pyrrolidinone (NMP).

公开(公告)号：AU754468B2

公开(公告)日：2002-11-14

申请号：AU3606099

申请日：1999-04-13

Applicant: BASF AG

Inventor： KINDLER KLAUS ,  PUHL HUBERT

IPC: C07C7/08 ,  C07C9/10 ,  C07C11/08 ,  C07C11/16

Abstract: A C4-hydrocarbon mixture essentially containing 1,3-butadiene, butenes, butanes and other C4-hydrocarbons is separated into at least 4 fractions,a) the fraction (a) essentially comprising 1,3-butadiene,b) the fraction (b) essentially comprising butenes,c) the fraction (c) essentially comprising butanes andd) one or more fractions (d) essentially comprising 1,3-butadiene and the other C4-hydrocarbons,by extractive distillation by means of N-methyl-2-pyrrolidinone or an aqueous solution of N-methyl-2-pyrrolidinone (NMP).

公开(公告)号：DE10022465A1

公开(公告)日：2001-11-15

申请号：DE10022465

申请日：2000-05-09

Applicant: BASF AG

Inventor： MEYER GERALD ,  KAIBEL GERD ,  BOHNER GERD ,  KINDLER KLAUS

IPC: C07C7/08 ,  B01D3/14 ,  B01D3/40 ,  C07C5/09 ,  C07C7/00 ,  C07C11/167 ,  C10G7/08 ,  C10G70/00 ,  C10G70/02

Abstract: Processing of a 4C cut from the fractionation of crude oil comprises: (A) extractive distillation; (B) selective hydrogenation by heterogeneous catalysis; and (C) distillation to obtain 1,3-butadiene whereby steps (A) and (B) are carried out in individual columns or thermally coupled columns and step (C) is carried out in a second column. An Independent claim is also included for an apparatus to carry out the process comprising a separating wall column (TK) in which the separating wall lies in the longitudinal axis of the column to form a common upper column section (1), a common lower column section (6), inlet sections (2a, 2b, 4) and outlets sections (3a, 3b, 5a, 5b) whereby hydrogen (H) is added to the lower section (6); unreacted hydrogen is separated from the vapor stream of condensable light boiling components from (TK) in a condenser (K) with recycle via a compressor (V) to the lower section (6); with passage of the 1,3-butadiene containing stream (B) from the outlet sections (3a, 3b, 5a, 5b) of (TK) at a position beneath the inlet (F) for sections (2a, 2b, 4); and passage of the stream (B) for purification by distillation (step (C)).

公开(公告)号：CZ20003984A3

公开(公告)日：2001-05-16

申请号：CZ20003984

申请日：1999-04-13

Applicant: BASF AG

Inventor： KINDLER KLAUS ,  PUHL HUBERT

IPC: C07C7/08

公开(公告)号：BR9909926A

公开(公告)日：2000-12-26

申请号：BR9909926

申请日：1999-04-13

Applicant: BASF AG

Inventor： KINDLER KLAUS ,  PUHL HUBERT

IPC: C07C7/08 ,  C07C9/10 ,  C07C11/08 ,  C07C11/16

Abstract: A C4-hydrocarbon mixture essentially containing 1,3-butadiene, butenes, butanes and other C4-hydrocarbons is separated into at least 4 fractions,a) the fraction (a) essentially comprising 1,3-butadiene,b) the fraction (b) essentially comprising butenes,c) the fraction (c) essentially comprising butanes andd) one or more fractions (d) essentially comprising 1,3-butadiene and the other C4-hydrocarbons,by extractive distillation by means of N-methyl-2-pyrrolidinone or an aqueous solution of N-methyl-2-pyrrolidinone (NMP).

公开(公告)号：CZ304040B6

公开(公告)日：2013-09-04

申请号：CZ20031358

申请日：2001-11-15

Applicant: BASF AG

Inventor： BOHNER GERD ,  KINDLER KLAUS ,  PAHL MELANIE ,  KAIBEL GERD

IPC: C07C11/167 ,  B01D3/14 ,  B01D3/28 ,  C07C7/04

Abstract: Zpusob získávání cistého 1,3-butadienu s obsahem minimálne 99,6 % hmotn. 1,3-butadienu destilací surového 1,3-butadienu s obsahem minimálne 89 % hmotn. 1,3-butadienu, který se provádí v prepázkové kolone, ve které je usporádána prepázka v podélném smeru kolony pro vytvorení horní spolecné oblasti kolony, spodní spolecné oblasti kolony, nástrikové cásti a odvádecí cásti.

公开(公告)号：PL208017B1

公开(公告)日：2011-03-31

申请号：PL37537703

申请日：2003-07-22

Applicant: BASF AG

Inventor： ADRIAN TILL ,  HILL THOMAS ,  KINDLER KLAUS ,  HEIDA BERND

IPC: C07C7/08 ,  B01D3/40 ,  C07C5/22

公开(公告)号：CA2428845C

公开(公告)日：2010-07-20

申请号：CA2428845

申请日：2001-11-15

Applicant: BASF AG

Inventor： BOHNER GERD ,  KINDLER KLAUS ,  PAHL MELANIE ,  KAIBEL GERD

IPC: C07C11/167 ,  B01D3/14 ,  B01D3/28 ,  C07C7/04

Abstract: The invention relates to a method for obtaining 1.3 pure butadiene from 1.3 raw butadiene by distillation. Said method is carried out in a separating wall column, wherein a separating wall is arranged in the longitudinal direction of the column in such a manner that it forms a common upper column area, a common lower column area, a feed part and a removal part.