公开(公告)号：US10029244B2

公开(公告)日：2018-07-24

申请号：US14764354

申请日：2014-02-05

Applicant: BASF SE

Inventor： Andrei-Nicolae Parvulescu ,  Ulrich Mueller ,  Hans-Juergen Luetzel ,  Georg Uhl ,  Robert Bayer ,  Regina Vogelsang ,  Joaquim Henrique Teles ,  Dominic Riedel ,  Daniel Urbanczyk ,  Ulrike Wegerle

IPC: C01B39/48 ,  B01J29/89 ,  B01J37/00 ,  B01J29/70 ,  C01B39/08

Abstract: A process for the preparation of a titanium-containing zeolitic material having an MWW framework structure, the process comprising (i) providing a zeolitic material having an MWW framework structure comprising SiO2 and B2O3, (ii) incorporating titanium into the zeolitic material provided in (i) comprising (ii.I) preparing an aqueous synthesis mixture containing the zeolitic material provided in (i), an MWW template compound and a titanium source, (ii.2) hydrothermally synthesizing a titanium-containing zeolitic material having an MWW framework structure from the aqueous synthesis mixture prepared in (ii.1), obtaining a mother liquor comprising the titanium-containing zeolitic material having an MWW framework structure; (iii) spray-drying the mother liquor obtained from (ii.2) comprising the titanium-containing zeolitic material having an MWW framework structure.

公开(公告)号：US09725428B2

公开(公告)日：2017-08-08

申请号：US14907998

申请日：2014-07-16

Applicant: BASF SE ,  Dow Global Technologies LLC

Inventor： Joaquim Henrique Teles ,  Bianca Seelig ,  Dominic Riedel ,  Philip Kampe ,  Daniel Urbanczyk ,  Markus Weber ,  Ulrich Mueller ,  Andrei-Nicolae Parvulescu ,  Kai Gumlich ,  Peter Bassler ,  Christian Bartosch ,  Richard Jacubinas ,  Meinolf Weidenbach ,  Werner Witzl

IPC: C07D303/00 ,  C07D301/12 ,  B01J29/70 ,  B01J35/00 ,  B01J35/10 ,  B01J27/18 ,  B01J27/188

CPC classification number: C07D301/12 ,  B01J27/18 ,  B01J27/188 ,  B01J29/7038 ,  B01J29/7088 ,  B01J35/002 ,  B01J35/1019 ,  B01J2229/186 ,  Y02P20/52

Abstract: A continuous process for the preparation of propylene oxide, comprising (i) providing a liquid feed stream comprising propene, hydrogen peroxide, acetonitrile, water, optionally propane, and at least one dissolved potassium salt of a phosphorus oxyacid wherein the molar ratio of potassium relative to phosphorus in the at least one potassium salt of a phosphorus oxyacid is in the range of from 0.6 to 1.4; (ii) passing the liquid feed stream provided in (i) into an epoxidation reactor comprising a catalyst comprising a titanium zeolite of structure type MWW comprising zinc, and subjecting the liquid feed stream to epoxidation reaction conditions in the epoxidation reactor, obtaining a reaction mixture comprising propylene oxide, acetonitrile, water, the at least one dissolved potassium salt of a phosphorus oxyacid, optionally propene, and optionally propane; (iii) removing an effluent stream from the epoxidation reactor, the effluent stream comprising propylene oxide, acetonitrile, water, at least a portion of the at least one dissolved potassium salt of a phosphorus oxyacid, optionally propene, and optionally propane.

公开(公告)号：US20160362387A1

公开(公告)日：2016-12-15

申请号：US15246028

申请日：2016-08-24

Applicant: BASF SE ,  DOW GLOBAL TECHNOLOGIES LLC

Inventor： Joaquim H. Teles ,  Dominic Riedel ,  Bianca Seelig ,  Philip Kampe ,  Daniel Urbanczyk ,  Markus Weber ,  Alexander Schroeder ,  Andrei-Nicolae Parvulescu ,  Ulrich Mueller ,  Meinolf Weidenbach ,  Werner Witzl ,  Holger Baer

IPC: C07D301/12 ,  B01D3/14 ,  C07D301/32

CPC classification number: C07D301/12 ,  B01D3/143 ,  C07D301/32

Abstract: A continuous process for the preparation of propylene oxide, comprising (a) reacting propene, optionally admixed with propane, with hydrogen peroxide in a reaction apparatus in the presence of acetonitrile as solvent, obtaining a stream S0 containing propylene oxide, acetonitrile, water, at least one further component B, optionally propene and optionally propane, wherein the normal boiling point of the at least one component B is higher than the normal boiling point of acetonitrile and wherein the decadic logarithm of the octanol-water partition coefficient (log Kow) of the at least one component B is greater than zero; (b) separating propylene oxide from S0, obtaining a stream S1 containing acetonitrile, water and the at least one further component B; (c) dividing S1 into two streams S2 and S3; (d) subjecting S3 to a vapor-liquid fractionation in a fractionation unit, obtaining a vapor fraction stream S4 being depleted of the at least one component B; (e) recycling at least a portion of S4, optionally after work-up, to (a).

公开(公告)号：US11180467B2

公开(公告)日：2021-11-23

申请号：US16500313

申请日：2018-04-13

Applicant: BASF SE

Inventor： Nicolai Tonio Woerz ,  Ulrich Mueller ,  Andrei-Nicolae Parvulescu ,  Dominic Riedel ,  Marvin Kramp ,  Daniel Urbanczyk ,  Ulrike Wegerle ,  Christian Mueller ,  Bernd Metzen ,  Markus Weber ,  Joaquim Henrique Teles

IPC: C07D301/32 ,  C07D301/19 ,  C07D301/12

Abstract: The invention relates to a process for preparing propylene oxide, comprising (i) providing a stream comprising propene, propane, hydrogen peroxide or a source of hydrogen peroxide, water, and an organic solvent; (ii) passing the liquid feed stream provided in (i) into an epoxidation zone comprising an epoxidation catalyst comprising a titanium zeolite, and subjecting the liquid feed stream to epoxidation reaction conditions in the epoxidation zone, obtaining a reaction mixture comprising propene, propane, propylene oxide, water, and the organic solvent; (iii) removing an effluent stream from the epoxidation zone, the effluent stream comprising propene, propane, propylene oxide, water, and the organic solvent; (iv) separating propene and propane from the effluent stream by distillation, comprising subjecting the effluent stream to distillation conditions in a distillation unit, obtaining a gaseous stream (S1) which is enriched in propene and propane compared to the effluent stream subjected to distillation conditions, and a liquid bottoms stream (S2) which is enriched in propylene oxide, water and organic solvent compared to the effluent stream subjected to distillation conditions; (v) separating propane from the stream (S1) in a separation zone, comprising subjecting the stream (S1) to washing conditions in a scrubber, wherein a solvent mixture comprising organic solvent and water is added as entraining agent, obtaining a bottoms stream (S3), which comprises organic solvent, water and at least 70 weight-% of the propene comprised in (S1); and a gaseous top stream (S4), which comprises at least 5 weight-% of the propane comprised in stream (S1).

公开(公告)号：US10676451B2

公开(公告)日：2020-06-09

申请号：US16315345

申请日：2017-07-19

Applicant: BASF SE ,  Dow Global Technologies LLC

Inventor： Joaquim Henrique Teles ,  Marvin Kramp ,  Christian Mueller ,  Nicolai Tonio Woerz ,  Bernd Metzen ,  Tobias Keller ,  Dominic Riedel ,  Heiner Schelling ,  Markus Weber ,  Daniel Urbanczyk ,  Andrei-Nicolae Parvulescu ,  Ulrike Wegerle ,  Ulrich Mueller ,  Meinolf Weidenbach ,  Werner J. Witzl

IPC: C07D301/32 ,  B01D3/14 ,  C07D303/04

Abstract: Disclosed is a process for purifying propylene oxide. A stream S0 containing propylene oxide, acetonitrile, water, and an organic compound containing one or more of acetone and propionaldehyde is provided. Propylene oxide is separated from S0 by subjecting S0 to distillation in a first distillation unit, obtaining a gaseous top stream S1c enriched in propylene oxide, a liquid bottom stream S1a enriched in acetonitrile and water, and a side stream S1b containing propylene oxide and enriched in the carbonyl compound; reacting the carbonyl compound in S1b with an organic compound containing an amino group to obtain a reaction product; separating propylene oxide from the reaction product in a second distillation unit, obtaining a gaseous top stream S3a enriched in propylene oxide and a liquid bottoms stream S3b enriched in the reaction product; and introducing stream S3a into the first distillation unit.

公开(公告)号：US10053439B2

公开(公告)日：2018-08-21

申请号：US15636787

申请日：2017-06-29

Applicant: BASF SE ,  DOW Global Technologies LLC

Inventor： Dominic Riedel ,  Joaquim Henrique Teles ,  Ulrike Wegerle ,  Andrei-Nicolae Parvulescu ,  Alexander Schroeder ,  Luise Spiske ,  Daniel Urbanczyk ,  Ulrich Mueller ,  Werner Witzl ,  Meinolf Weidenbach

IPC: C07D301/12 ,  B01J29/04 ,  B01J29/89 ,  C07D301/36 ,  C07D303/04 ,  B01J35/00 ,  B01J35/02 ,  C01B39/02 ,  C01B39/08 ,  C01B39/12 ,  C01B39/48 ,  B01J27/18 ,  B01J27/188 ,  B01J27/232 ,  B01J29/70 ,  B01J31/04 ,  C07D301/00 ,  B01J37/00 ,  B01J29/86

Abstract: A catalytic system containing a titanium zeolite of structure type MWW optionally containing zinc and containing at least one of an inorganic potassium salt and an organic potassium salt is provided. The catalyst system is useful in the preparation of propylene oxide.

公开(公告)号：US09738616B2

公开(公告)日：2017-08-22

申请号：US14908042

申请日：2014-07-16

Applicant: BASF SE ,  DOW Global Technologies LLC

Inventor： Dominic Riedel ,  Joaquim Henrique Teles ,  Ulrike Wegerle ,  Andrei-Nicolae Parvulescu ,  Alexander Schroeder ,  Luise Spiske ,  Daniel Urbanczyk ,  Ulrich Mueller ,  Werner Witzl ,  Meinolf Weidenbach

IPC: C07D301/12 ,  C07D303/00 ,  B01J29/89 ,  B01J37/00 ,  C07D301/36 ,  C07D303/04 ,  B01J35/00 ,  B01J35/02 ,  C01B39/02 ,  C01B39/08 ,  C01B39/12 ,  C01B39/48 ,  B01J27/18 ,  B01J27/188 ,  B01J27/232 ,  B01J29/70 ,  B01J31/04 ,  C07D301/00 ,  B01J29/86

CPC classification number: C07D301/12 ,  B01J27/1806 ,  B01J27/188 ,  B01J27/232 ,  B01J29/7088 ,  B01J29/86 ,  B01J29/89 ,  B01J31/04 ,  B01J35/002 ,  B01J35/023 ,  B01J37/0045 ,  B01J2229/183 ,  B01J2229/186 ,  B01J2229/37 ,  B01J2229/40 ,  B01J2229/42 ,  C01B39/026 ,  C01B39/08 ,  C01B39/085 ,  C01B39/12 ,  C01B39/48 ,  C07D301/00 ,  C07D301/36 ,  C07D303/04 ,  Y02P20/52

Abstract: A continuous process for the preparation of propylene oxide, comprising (i) providing a liquid feed stream comprising propene, hydrogen peroxide, acetonitrile, water, optionally propane, and at least one dissolved potassium salt; (ii) passing the feed stream provided in (i) into an epoxidation reactor comprising a catalyst comprising a titanium zeolite of structure type MWW, and subjecting the feed stream to epoxidation reaction conditions in the epoxidation reactor, obtaining a reaction mixture comprising propylene oxide, acetonitrile, water, the at least one potassium salt, optionally propene, and optionally pane; (iii) removing an effluent stream from the epoxidation reactor, the effluent stream comprising propylene oxide, acetonitrile, water, at least a portion of the at least one potassium salt, optionally propene, and optionally propane.

公开(公告)号：US11291980B2

公开(公告)日：2022-04-05

申请号：US16461134

申请日：2017-12-20

Applicant: BASF SE

Inventor： Andrei-Nicolae Parvulescu ,  Ulrich Mueller ,  Hans-Juergen Luetzel ,  Georg Uhl ,  Joaquim Henrique Teles ,  Dominic Riedel ,  Daniel Urbanczyk ,  Ulrike Wegerle ,  Markus Weber ,  Nicolai Tonio Woerz ,  Christian Mueller

IPC: B01J29/89 ,  B01J35/10 ,  B01J37/00 ,  C01B37/00

Abstract: A process for preparing an extrudable composition comprising a titanium-containing zeolitic material having framework type MWW, the process comprising providing a titanium-containing zeolitic material having framework type MWW, having a water absorption capacity of at least 11 weight-%, subjecting the titanium-containing zeolitic material having framework type MWW an acid treatment, optionally incorporating zinc in the acid-treated titanium-containing zeolitic material having framework type MWW; preparing a composition comprising the titanium-containing zeolitic material having framework type MWW obtained from (ii) or (iii), a precursor of a silica binder, water, and a kneading agent, wherein the composition does not comprise a polyethylene oxide.

公开(公告)号：US10780432B2

公开(公告)日：2020-09-22

申请号：US16470834

申请日：2018-01-18

Applicant: BASF SE

Inventor： Andrei-Nicolae Parvulescu ,  Ulrich Mueller ,  Hans-Juergen Luetzel ,  Joaquim Henrique Teles ,  Dominic Riedel ,  Daniel Urbanczyk ,  Ulrike Wegerle ,  Markus Weber ,  Nicolai Tonio Woerz ,  Christian Mueller

IPC: B01J29/89 ,  B01J29/70 ,  B01J35/02 ,  B01J35/10 ,  B01J37/00 ,  C01B39/02 ,  C01B39/06 ,  C01B39/12 ,  C07D301/12 ,  B01J37/08

Abstract: A process for preparing a molding comprising zinc and a titanium-containing zeolitic material having framework type MWW, comprising (i) providing a molding comprising a titanium-containing zeolitic material having framework type MWW; (ii) preparing an aqueous suspension comprising a zinc source and the molding comprising a titanium-containing zeolitic material having framework type MWW prepared in (i); (iii) heating the aqueous suspension prepared in (ii) under autogenous pressure to a temperature of the liquid phase of the aqueous suspension in the range of from 100 to 200° C., obtaining an aqueous suspension comprising a molding comprising zinc and a titanium-containing zeolitic material having framework type MWW; (iv) separating the molding comprising zinc and a titanium-containing zeolitic material having framework type MWW from the liquid phase of the suspension obtained in (iii).

公开(公告)号：US10544116B2

公开(公告)日：2020-01-28

申请号：US16315680

申请日：2017-07-19

Applicant: BASF SE

Inventor： Joaquim Henrique Teles ,  Marvin Kramp ,  Christian Mueller ,  Nicolai Tonio Woerz ,  Bernd Metzen ,  Tobias Keller ,  Dominic Riedel ,  Markus Weber ,  Daniel Urbanczyk ,  Andrei-Nicolae Parvulescu ,  Ulrike Wegerle ,  Ulrich Mueller

IPC: C07D301/12 ,  C07D301/32 ,  C07D303/04

Abstract: Disclosed herein is a process for purifying propylene oxide, including the steps of: (i) providing a stream S0 containing propylene oxide, acetonitrile, water, and an organic compound containing a carbonyl group —C(═O)—; and (ii) separating propylene oxide from the stream S0 by subjecting the stream S0 to distillation conditions in a distillation column to obtain a gaseous top stream S1c which is enriched in propylene oxide compared to the stream S0, a liquid bottoms stream S1a which is enriched in acetonitrile and water compared to the stream S0, and a side stream S1b containing propylene oxide which is enriched in the carbonyl compound compared to the stream S0.