公开(公告)号：US10544115B2

公开(公告)日：2020-01-28

申请号：US16076600

申请日：2017-02-16

Applicant: BASF SE

Inventor： Dominic Riedel ,  Joaquim Henrique Teles ,  Heiner Schelling ,  Ulrike Wegerle ,  Ulrich Mueller ,  Andrei-Nicolae Parvulescu ,  Jochen Mannweiler ,  Timo Henn ,  Thomas Luederitz ,  Nicolai Tonio Woerz ,  Christian Mueller ,  Markus Weber ,  Daniel Urbanczyk

IPC: C07D301/12 ,  C07D301/36 ,  B01J19/00 ,  B01J29/70 ,  C07D303/04

Abstract: A continuous process for the preparation of propylene oxide, comprising a start-up stage and normal run stage, wherein the normal run stage comprises (i) continuously providing a liquid feed stream comprising propene, hydrogen peroxide, acetonitrile, a formate salt, water and optionally propane, wherein in the liquid feed stream, the molar amount of the formate salt relative to the molar amount of hydrogen peroxide at a given point of time during the normal run stage is aN(Fo/H2O2); (ii) continuously passing the liquid feed stream provided in (i) into an epoxidation zone comprising a catalyst comprising a titanium zeolite having framework type MWW, and subjecting the liquid feed stream to epoxidation reaction conditions in the epoxidation zone, obtaining a reaction mixture comprising propylene oxide, acetonitrile, water, the formate salt, optionally propene, and optionally propane; (iii) continuously removing an effluent stream from the epoxidation zone, the effluent stream comprising propylene oxide, acetonitrile, water, at least a portion of the formate salt, optionally propene, and optionally propane; wherein the normal run stage is characterized in an average rate of change of aN(Fo/H2O2) of less than 0 h−1.

公开(公告)号：US10435381B2

公开(公告)日：2019-10-08

申请号：US16318221

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 ,  Karsten Luecke

IPC: C07D301/32 ,  C07D301/12 ,  C07D303/04 ,  B01D3/00 ,  B01D3/14 ,  B01D5/00 ,  B01D3/40 ,  B01J29/08

Abstract: The present invention is related to a process for preparing propylene oxide, comprising (i) providing a stream comprising propene, 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, propylene oxide, water, and the organic solvent; (iii) removing an effluent stream from the epoxidation zone, the effluent stream comprising propylene oxide, water, organic solvent, and propene; (iv) separating propene from the effluent stream by distillation, comprising (iv.1) subjecting the effluent stream to distillation conditions in a distillation unit, obtaining a gaseous top stream S0 enriched in propene compared to the effluent stream subjected to distillation conditions, and a liquid bottoms stream S01 enriched in propylene oxide, water and organic solvent compared to the effluent stream subjected to distillation conditions; (iv.2) returning a condensed portion of the stream S0 to an upper part of the distillation unit.

公开(公告)号：US09688648B2

公开(公告)日：2017-06-27

申请号：US14906852

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 ,  Alexander Schroeder ,  Meinolf Weidenbach ,  Werner Witzl

IPC: C07D301/03 ,  C07D301/36 ,  B01J37/10 ,  B01J29/70 ,  B01J29/89 ,  B01J35/00 ,  B01J37/00 ,  B01J37/02 ,  C07D301/12 ,  C07D303/04 ,  B01J23/06 ,  B01J35/02 ,  B01J27/18

CPC classification number: C07D301/36 ,  B01J23/06 ,  B01J27/18 ,  B01J29/7088 ,  B01J29/89 ,  B01J35/00 ,  B01J35/0006 ,  B01J35/023 ,  B01J35/026 ,  B01J37/0009 ,  B01J37/0045 ,  B01J37/0201 ,  B01J37/10 ,  B01J2229/186 ,  B01J2229/42 ,  C07D301/12 ,  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, dissolved potassium dihydrogen phosphate, and optionally propane; (ii) passing the liquid feed stream provided in (i) into an epoxidation reactor comprising a catalyst comprising a titanium zeolite of structure type MWW, and subjecting the liquid feed stream to epoxidation reaction conditions; (iii) removing an effluent stream from the epoxidation reactor; wherein the concentration of the dissolved potassium dihydrogen phosphate in the liquid feed stream is at least 10% of the solubility limit of the potassium dihydrogen phosphate in the liquid feed stream.

公开(公告)号：US11351525B2

公开(公告)日：2022-06-07

申请号：US16462430

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 ,  Ruediger Schmitt ,  Xiana Romani Fernandez ,  Harald Wuerz

IPC: B01J29/70 ,  B01J35/02 ,  B01J37/00 ,  B01J37/02 ,  B01J37/10

Abstract: Use of an acid-treated titanium-containing zeolitic material having framework type MWW for preparing a composition having a relative plasticity of less than 1.

公开(公告)号：US11110442B2

公开(公告)日：2021-09-07

申请号：US16997038

申请日：2020-08-19

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 ,  B01J37/08 ,  C01B39/02 ,  C01B39/06 ,  C01B39/12 ,  C07D301/12

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：US10434503B2

公开(公告)日：2019-10-08

申请号：US15030754

申请日：2014-10-22

Applicant: BASF SE

Inventor： Andrei-Nicolae Parvulescu ,  Ulrich Mueller ,  Hans-Juergen Luetzel ,  Joaquim Henrique Teles ,  Dominic Riedel ,  Bianca Seelig ,  Daniel Urbanczyk ,  Ulrike Wegerle ,  Michael Hesse ,  Andreas Walch ,  Volker Bendig ,  Veit Stegmann ,  Henning Althoefer ,  Boris Gaspar ,  Frank Stallmach ,  Anne Kristin Pusch

IPC: B01J20/18 ,  B01J29/89 ,  C01B39/40 ,  B01J29/40 ,  B01J39/14 ,  B01J29/035 ,  B01J35/10 ,  B01J37/00 ,  C01B39/08 ,  C01B39/02 ,  B01J20/28 ,  B01J20/30 ,  B01J35/00 ,  B01J37/10 ,  B01J35/02

Abstract: The present invention relates to A process for the production of a molding, comprising (I) providing a zeolitic material; (II) mixing the zeolitic material provided in step (I) with one or more binders; (III) kneading of the mixture obtained in step (II); (IV) molding of the kneaded mixture obtained in step (III) to obtain one or more moldings; (V) drying of the one or more moldings obtained in step (IV); and (VI) calcining of the dried molding obtained in step (V); wherein the zeolitic material provided in step (I) displays a water adsorption ranging from 1 to 15 wt.-% when exposed to a relative humidity of 85%, as well as to a molding obtainable or obtained according to the inventive process in addition to a molding per se and to their respective use.

公开(公告)号：US10316007B2

公开(公告)日：2019-06-11

申请号：US15521924

申请日：2015-10-27

Applicant: BASF SE ,  Dow Global Technologies LLC

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

IPC: C07D301/12 ,  B01D3/14 ,  C07D301/32 ,  C07D303/04

Abstract: A continuous process for preparing propylene oxide proceeds by (a) reacting propene with hydrogen peroxide in a reaction apparatus in the presence acetonitrile as solvent, obtaining a stream S0 containing propylene oxide, acetonitrile, water, at least one further component B; (b) separating propylene oxide from S0, obtaining stream S1 containing acetonitrile, water and B; (c) dividing S1 into streams S2 and S3; (d) subjects S3 to vapor-liquid fractionation in a first fractionation unit, obtaining vapor fraction stream S4a being depleted, relative to S3, of at least one of B and obtaining liquid bottoms stream S4b, and subjecting at least part of vapor fraction stream S4a to vapor-liquid fractionation in a second fractionation unit, obtaining vapor fraction stream S4c and liquid bottoms stream S4 being depleted, relative to S4a, of at least one of B; (e) recycling at least a portion of S4 to (a).

公开(公告)号：US10195598B2

公开(公告)日：2019-02-05

申请号：US15550581

申请日：2016-02-12

Applicant: BASF SE ,  Dow Global Technologies LLC

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

IPC: B01J29/89 ,  B01J38/12 ,  B01J38/48 ,  B01J29/90 ,  B01J35/02 ,  B01J35/10 ,  C07D301/12 ,  C01B39/08

Abstract: The invention relates to process for the regeneration of a catalyst comprising a titanium containing zeolite as catalytically active material comprising a stage comprising introducing a feed stream comprising propene, hydrogen peroxide or a hydrogen peroxide source, and an organic solvent into a reactor containing a catalyst comprising the titanium containing zeolite, subjecting the feed stream in the reactor to epoxidation conditions in the presence of the catalyst, removing a product steam comprising propylene oxide and the organic solvent from the reactor, stopping introducing the feed stream, washing the catalyst with a liquid aqueous system and calcining the washed catalyst.

公开(公告)号：US09943838B2

公开(公告)日：2018-04-17

申请号：US14907714

申请日：2014-07-16

Applicant: BASF SE ,  DOW GLOBAL TECHNOLOGIES LLC

Inventor： Andrei-Nicolae Parvulescu ,  Ulrich Mueller ,  Joaquim Henrique Teles ,  Bianca Seelig ,  Philip Kampe ,  Markus Weber ,  Peter Resch ,  Christian Bartosch ,  Dominic Riedel ,  Daniel Urbanczyk ,  Alexander Schroeder ,  Ulrike Wegerle

IPC: C07D301/12 ,  B01J29/90 ,  B01J37/06 ,  B01J37/10 ,  B01J38/48 ,  B01J29/70 ,  B01J29/89 ,  B01J35/00 ,  B01J37/00 ,  B01J37/02 ,  C07D303/04 ,  B01J37/08 ,  B01J37/30 ,  B01J38/02 ,  B01J38/06

CPC classification number: B01J29/90 ,  B01J29/7088 ,  B01J29/89 ,  B01J35/00 ,  B01J37/0009 ,  B01J37/0045 ,  B01J37/0201 ,  B01J37/0203 ,  B01J37/06 ,  B01J37/08 ,  B01J37/10 ,  B01J37/30 ,  B01J38/02 ,  B01J38/06 ,  B01J38/48 ,  B01J2229/183 ,  B01J2229/186 ,  B01J2229/42 ,  C07D301/12 ,  C07D303/04 ,  Y02P20/584

Abstract: The present invention relates to a process for the regeneration of a catalyst comprising a titanium-containing zeolite, said catalyst having been used in a process for the preparation of an olefin oxide and having phosphate deposited thereon, said process for the regeneration comprising the steps: (a) separating the reaction mixture from the catalyst, (b) washing the catalyst obtained from (a) with liquid aqueous system; (c) optionally drying the catalyst obtained from (b) in a gas stream comprising an inert gas at a temperature of less than 300° C.; (d) calcining the catalyst obtained from (c) in a gas stream comprising oxygen at a temperature of at least 300° C.

公开(公告)号：US09732054B2

公开(公告)日：2017-08-15

申请号：US15246028

申请日：2016-08-24

Applicant: BASF SE ,  DOW GLOBAL TECHNOLOGIES LLC

Inventor： Joaquim Henrique Teles ,  Dominic Riedel ,  Bianca Seelig ,  Philip Kampe ,  Daniel Urbanczyk ,  Markus Weber ,  Alexander Schroeder ,  Andrei-Nicolae Parvulescu ,  Ulrich Mueller ,  Meinolf Weidenbach ,  Werner J. 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).