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：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：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).