-
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
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: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
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.
-
6.
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
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: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
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.
-
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.
-
-
-
-
-
-
-
-
-