公开(公告)号：CA2437396C

公开(公告)日：2010-01-26

申请号：CA2437396

申请日：2002-02-06

Applicant: BASF AG

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

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

Abstract: The invention relates to a method for recovering crude 1,3-butadiene by extractive distillation from a C4 cut, using a selective solvent in a separation column (TK). In said column, a partition wall (T) is located in the longitudinal direction of the column, forming a first sub-section (A), a second sub-section (B) and a lower common column zone (C). An extractive scrubber column (K) is connected upstream of the separation column.

公开(公告)号：AT376540T

公开(公告)日：2007-11-15

申请号：AT01996522

申请日：2001-11-15

Applicant: BASF AG

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

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

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：ES2279821T3

公开(公告)日：2007-09-01

申请号：ES01945105

申请日：2001-05-09

Applicant: BASF AG

Inventor： MEYER GERALD ,  KAIBEL GERD ,  BOHNER GERD ,  KINDLER KLAUS ,  ADRIAN TILL ,  PICKENACKER KARIN

IPC: C07C7/08 ,  C07C11/167 ,  B01D3/14 ,  B01D3/40 ,  C07C5/09 ,  C07C7/00 ,  C07C7/163 ,  C10G7/08 ,  C10G70/00 ,  C10G70/02

Abstract: Un proceso para el trabajo de una fracción C4, que comprende las etapas de proceso - Destilación extractiva (I), - Hidrogenación selectiva de impurezas acetilénicas sobre un catalizador heterogéneo (II), una corriente de 1, 3-butadieno crudo que comprende un producto objetivo 1, 3-butadieno en una fracción de al menos 80% en peso que se obtiene siguiendo las etapas del proceso I y II y - La destilación de la corriente de 1, 3-butadieno crudo para aislar el 1, 3-butadieno (III) que comprende el producto objetivo 1, 3-butadieno en una fracción de al menos 99% en peso, en donde las etapas de proceso I y II se llevan a cabo en una columna única y el proceso de la etapa III se lleva a cabo en una segunda columna, el catalizador heterogéneo utilizado para la hidrogenación selectiva de impurezas acetilénicas está presente en la forma de internos reactivos.

公开(公告)号：BR0110721A

公开(公告)日：2004-02-10

申请号：BR0110721

申请日：2001-05-09

Applicant: BASF AG

Inventor： MEYER GERALD ,  KAIBEL GERD ,  BOHNER GERD ,  KINDLER KLAUS ,  ADRIAN TILL ,  PICKENOCKER KARIN ,  PAHL MELANIE ,  HILL THOMAS

IPC: C07C7/08 ,  B01D3/14 ,  B01D3/40 ,  C07C5/09 ,  C07C7/00 ,  C07C11/167 ,  C10G7/08 ,  C10G70/00 ,  C10G70/02 ,  C07C7/163

Abstract: In a process for the work-up of a C4 fraction, comprising the process steps Extractive distillation (I), Selective hydrogenation over a heterogeneous catalyst (II), a crude 1,3-butadiene stream being obtained following process steps (I) and (II) and Distillation of the crude 1,3-butadiene stream for isolating pure 1,3-butadiene (III), the process steps I and II are carried out in a single column or in thermally coupled columns and the process step III is carried out in a second column.

公开(公告)号：BR0115431A

公开(公告)日：2003-10-07

申请号：BR0115431

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：CA2437396A1

公开(公告)日：2002-08-15

申请号：CA2437396

申请日：2002-02-06

Applicant: BASF AG

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

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

Abstract: The invention relates to a method for recovering crude 1,3-butadiene by extractive distillation from a C4 cut, using a selective solvent in a separation column (TK). In said column, a partition wall (T) is located in t he longitudinal direction of the column, forming a first sub-section (A), a second sub-section (B) and a lower common column zone (C). An extractive scrubber column (K) is connected upstream of the separation column.

公开(公告)号：DE10056841A1

公开(公告)日：2002-05-23

申请号：DE10056841

申请日：2000-11-16

Applicant: BASF AG

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

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

Abstract: Distillation purification of butadiene comprises using partitioned column (1) having longitudinal partition (8) forming common upper section (9), common lower section (14), feed section (10) and discharge section (11). An Independent claim is also included for partitioned column for carrying out process, comprising 40-70 theoretical plates.

公开(公告)号：CA2428845A1

公开(公告)日：2002-05-23

申请号：CA2428845

申请日：2001-11-15

Applicant: BASF AG

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

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

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.

公开(公告)号：DE10032268A1

公开(公告)日：2002-01-17

申请号：DE10032268

申请日：2000-07-03

Applicant: BASF AG

Inventor： STEINBRENNER ULRICH ,  NARBESHUBER THOMAS ,  SIGWART CHRISTOPH ,  BOHNER GERD ,  HESSE MICHAEL ,  FISCHER ROLF

IPC: B01J21/06 ,  B01J23/30 ,  B01J27/188 ,  B01J35/10 ,  B01J37/00 ,  C08G65/20 ,  C08G65/26 ,  B01J23/24 ,  B01J27/053

Abstract: Catalyst (A) comprises active oxygen compounds of molybdenum and/or tungsten (I) on an oxide carrier and is prepared by: (i) applying precursors of (I) to the carrier (or its precursor); and (ii) calcining at 400-900 deg C. It is characterized by having transport pores of diameter over 25 nm and transport pore volume at least 50 mm /g. Independent claims are also included for: (a) method for preparing (A); and (b) preparation of poly(tetrahydrofuran) or tetrahydrofuran (THF) copolymers (or their di- or mono-esters) by polymerization of THF in presence of at least one telogen and/or comonomer, and in presence of (A).

公开(公告)号：AU6741901A

公开(公告)日：2001-11-20

申请号：AU6741901

申请日：2001-05-09

Applicant: BASF AG

Inventor： MEYER GERALD ,  KAIBEL GERD ,  BOHNER GERD ,  KINDLER KLAUS ,  ADRIAN TILL ,  PICKENACKER KARIN ,  PAHL MELANIE ,  HILL THOMAS

IPC: C07C7/08 ,  B01D3/14 ,  B01D3/40 ,  C07C5/09 ,  C07C7/00 ,  C07C11/167 ,  C10G7/08 ,  C10G70/00 ,  C10G70/02 ,  C07C7/163

Abstract: In a process for the work-up of a C4 fraction, comprising the process steps Extractive distillation (I), Selective hydrogenation over a heterogeneous catalyst (II), a crude 1,3-butadiene stream being obtained following process steps (I) and (II) and Distillation of the crude 1,3-butadiene stream for isolating pure 1,3-butadiene (III), the process steps I and II are carried out in a single column or in thermally coupled columns and the process step III is carried out in a second column.