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1. 发明公开

US20230145404A1 H2O2 WITHOUT DIBC FOR PO PRODUCTION 审中-公开
公开(公告)号：US20230145404A1
公开(公告)日：2023-05-11
申请号：US17911673
申请日：2021-03-22
申请人： BASF SE , Dow Global Technologies LLC
发明人： Dominic RIEDEL , Joaquim Henrique TELES , Jaroslaw Michael MORMUL , Andrei-Nicolae PARVULESCU , Meinolf WEIDENBACH , Franciscus Johannes Robertus VAN NEER
IPC分类号： C07D301/12
CPC分类号： C07D301/12
摘要： The invention relates in a first aspect to a process for the preparation of propylene oxide, comprising: (i) providing a reaction mixture comprising propylene, water, organic solvent, and hydrogen peroxide; (ii) contacting the reaction mixture provided in (i) in an epoxidation zone with an epoxidation catalyst comprising a zeolitic material having a framework structure comprising Si, O, and Ti, and subjecting the reaction mixture to epoxidation reaction conditions in the epoxidation zone, obtaining, in the epoxidation zone, a mixture comprising propylene oxide, water, and organic solvent; (iii) removing an effluent stream from the epoxidation zone, the effluent stream comprising propylene oxide, water, and organic solvent; wherein the reaction mixture provided in (i) and subjected to (ii) contains in an amount of at most 500 mg per kg hydrogen peroxide comprised in said reaction mixture at least one aliphatic oxygen containing compound having 8 to 10 carbon atoms. The invention further relates in a second aspect to a reaction mixture for preparing propylene oxide, comprising propylene, water, organic solvent, and hydrogen peroxide, wherein the reaction mixture comprises at least one aliphatic oxygen containing compound having 8 to 10 carbon atoms in an amount of at most 500 mg per kg hydrogen peroxide comprised in the reaction mixture. In a third aspect, the invention relates to a system comprising an epoxidation catalyst comprising a zeolitic material having a framework structure comprising Si, O, and Ti, and further comprising the reaction mixture comprising propylene, water, and organic solvent according to the second aspect. In a fourth aspect, the invention relates to the use of an aqueous hydrogen peroxide solution as epoxidation agent for preparing propylene oxide in the presence of an organic solvent and an epoxidation catalyst comprising a zeolitic material having a framework structure comprising Si, O, and Ti, wherein the aqueous hydrogen peroxide solution comprises at least one aliphatic oxygen containing compound having 8 to 10 carbon atoms in an amount of at most 500 mg per kg hydrogen peroxide comprised in the aqueous hydrogen peroxide solution.

2. 发明申请

US20160185741A1 PROCESS FOR THE PREPARATION OF PROPYLENE OXIDE 有权
标题翻译：制备丙烯氧化物的方法
公开(公告)号：US20160185741A1
公开(公告)日：2016-06-30
申请号：US14906852
申请日：2014-07-16
申请人： BASF SE , DOW GLOBAL TECHNOLOGIES LLC
发明人： Joaquim TELES , Bianca SEELIG , Dominic RIEDEL , Philip KAMPE , Daniel URBANCZYK , Markus WEBER , Ulrich MUELLER , Andrei-Nicolae PARVULESCU , Alexander SCHROEDER , Meinolf WEIDENBACH , Werner WITZL
IPC分类号： C07D301/36 , C07D301/12 , B01J35/00 , B01J29/70 , B01J27/18
CPC分类号： 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
摘要： 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.
摘要翻译：一种用于制备环氧丙烷的连续方法，包括（i）提供包含丙烯，过氧化氢，乙腈，水，溶解的磷酸二氢钾和任选的丙烷的液体进料流; （ii）将（i）中提供的液体进料流送入包含包含结构类型MWW的钛沸石的催化剂的环氧化反应器中，并使液体进料流进行环氧化反应条件; （iii）从环氧化反应器中除去流出物流; 其中所述液体进料流中溶解的磷酸二氢钾的浓度为所述液体进料流中磷酸二氢钾的溶解度极限的至少10％。

3. 发明公开

US20240294483A1 PROCESS FOR THE PREPARATION OF A LIQUID MIXTURE COMPRISING METHANOL, WATER AND HYDROGEN PEROXIDE 审中-公开
公开(公告)号：US20240294483A1
公开(公告)日：2024-09-05
申请号：US18572209
申请日：2022-06-22
申请人： BASF SE , Dow Global Technologies LLC
发明人： Andrei-Nicolae PARVULESCU , Joaquim Henrique TELES , Dominic RIEDEL , Dylan SEGERS , Massimo BERGAMO , Franciscus Johannes Robertus VAN NEER , Meinolf WEIDENBACH
IPC分类号： C07D301/12
CPC分类号： C07D301/12
摘要： The present invention relates in a first aspect to a process for the preparation of a liquid mixture comprising methanol, water and hydrogen peroxide, the process comprising: (i) providing a feed stream comprising methanol, and a feed stream comprising an aqueous hydrogen peroxide solution; (ii) combining the feed stream comprising the methanol and the feed stream comprising the aqueous hydrogen peroxide solution provided according to (i) at a point in time t1, so that a combined stream comprising methanol, hydrogen peroxide and water is obtained; (iii) filtrating the combined stream obtained according to (ii) at a point in time t2, through a filtration device, thereby obtaining a liquid mixture comprising methanol, hydrogen peroxide and water; wherein the period of time between t1 and t2 is at least 8 seconds. In a second aspect, the invention relates to the use of a liquid mixture obtained or obtainable from the process of the first aspect for the preparation of propylene oxide. A third aspect of the invention is directed to a method for the preparation of propylene oxide comprising: (i) providing a feed stream comprising methanol, a feed stream comprising an aqueous hydrogen peroxide solution and a feed stream comprising propylene; (ii) combining the feed stream comprising the methanol and the feed stream comprising the aqueous hydrogen peroxide solution provided according to (i) at a point in time t1, so that a combined stream comprising methanol, hydrogen peroxide and water is obtained; (iii) filtrating the combined stream obtained according to (ii) at a point in time t2, through a filtration device, thereby obtaining a liquid mixture comprising methanol, hydrogen peroxide and water; (iv) combining the feed stream comprising propylene either with the combined stream obtained in (ii) or with the liquid mixture obtained in (iii), thereby obtaining a liquid mixture comprising methanol, hydrogen peroxide, water and propylene; (v) bringing the liquid mixture obtained according to (iv) in an epoxidation zone in contact with an epoxidation catalyst comprising a zeolitic material having a framework structure comprising Si, O, and Ti under epoxidation reaction conditions, thereby obtaining in the epoxidation zone a mixture comprising propylene oxide, methanol and water; wherein the period of time between t1 and t2 are at least 8 seconds. In a fourth aspect, the invention relates to propylene oxide, obtained or obtainable from the method according to the third aspect.

4. 发明公开

US20230406798A1 METHOXYPROPANOLS SEPARATION COMBINING MEMBRANE SEPARATION AND DISTILLATION 审中-公开
公开(公告)号：US20230406798A1
公开(公告)日：2023-12-21
申请号：US18032668
申请日：2021-10-28
申请人： BASF SE , Dow Global Technologies LLC
发明人： Dominic RIEDEL , Maria Angel SAN PIO BORDEJE , Dylan SEGERS , Joaquim Henrique TELES , Emiel Jan KAPPERT , Ana Luiza DE OLIVEIRA , Meinolf WEIDENBACH , Franciscus Johannes Robertus VAN NEER
IPC分类号： C07C43/13
CPC分类号： C07C43/13
摘要： A first aspect of the invention relates to a process for separating 1-methoxypropan-2-ol from an aqueous stream comprising 1-methoxypropan-2-ol and 2-methoxypropan-1-ol, wherein the process comprises providing a stream SO comprising 1-methoxypropan-2-ol, 2-methoxypropan-1-ol and water, and having a molar ratio of 1-methoxypropan-2-ol:2-methoxypropan-1-ol in the range of from 1:5 to 5:1; wherein the final stream S5 comprises ≥95 weight-% 1-methoxypropan-2-ol based on the total weight of S5. In a second aspect, the invention relates to 1-methoxypropan-2-ol or a mixture of 1-methoxypropan-2-ol and 2-methoxypropan-1-ol obtained or obtainable from the process of the first aspect.

5. 发明申请

US20190322634A1 A PROCESS FOR PURIFYING PROPYLENE OXIDE 审中-公开
公开(公告)号：US20190322634A1
公开(公告)日：2019-10-24
申请号：US16315345
申请日：2017-07-19
申请人： BASF SE , Dow Global Technologies LLC
发明人： 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. WITZI
IPC分类号： C07D301/32 , C07D303/04 , B01D3/14
摘要： 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.

6. 发明申请

US20180230117A1 PART-STREAM DISTILLATION 审中-公开
公开(公告)号：US20180230117A1
公开(公告)日：2018-08-16
申请号：US15521924
申请日：2015-10-27
申请人： BASF SE , Dow Global Technologies LLC
发明人： Joaquim Henrique TELES , Dominic RIEDEL , Bianca SEELIG , Philip KAMPE , Markus WEBER , Alexander SCHROEDER , Andrei-Nicolae PARVULESCU , Ulrich MUELLER , Daniel URBANCZYK , Meinolf WEIDENBACH , Werner WITZL , Holger BAER
IPC分类号： C07D301/12 , C07D301/32 , C07D303/04 , B01D3/14
CPC分类号： C07D301/12 , B01D3/146 , C07D301/32 , C07D303/04
摘要： 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 containg propylene oxide, acetonitrile, water, at least one further componen B; (b) separating propylene oxide from S0, obtaining stream S1 containing acetonitrile, water and B; (c) dividing Sa 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).

7. 发明申请

US20160176835A1 PROCESS FOR PREPARING PROPYLENE OXIDE 有权
标题翻译：制备丙烯氧化物的方法
公开(公告)号：US20160176835A1
公开(公告)日：2016-06-23
申请号：US14908042
申请日：2014-07-16
申请人： BASF SE , DOW GLOBAL TECHNOLOGIES LLC
发明人： Dominic RIEDEL , Joaquim Henrique TELES , Ulrike WEGERLE , Andrei-Nicolae PARVULESCU , Alexander SCHROEDER , Luise SPISKE , Daniel URBANCZYK , Ulrich MUELLER , Werner WITZL , Meinolf Weidenbach
IPC分类号： C07D301/12 , B01J29/70 , B01J27/232 , B01J27/18 , B01J31/04 , C07D301/00 , B01J27/188
CPC分类号： 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
摘要： 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.
摘要翻译：一种用于制备环氧丙烷的连续方法，包括（i）提供包含丙烯，过氧化氢，乙腈，水，任选的丙烷和至少一种溶解的钾盐的液体进料流; （ii）将（i）中提供的进料流送入包含包含结构类型MWW的钛沸石的催化剂的环氧化反应器中，并使进料流在环氧化反应器中进行环氧化反应条件，得到包含环氧丙烷，乙腈，水，至少一种钾盐，任选的丙烯，以及任选的玻璃; （iii）从环氧化反应器中除去流出物流，流出物流包含环氧丙烷，乙腈，水，至少一部分至少一种钾盐，任选的丙烯和任选的丙烷。

8. 发明公开

US20240279194A1 SHUTDOWN METHOD FOR A PROCESS FOR PREPARING AN OLEFIN OXIDE 审中-公开
公开(公告)号：US20240279194A1
公开(公告)日：2024-08-22
申请号：US18569645
申请日：2022-06-14
申请人： BASF SE , Dow Global Technologies LLC
发明人： Dominic RIEDEL , Maria Angel SAN PIO BORDEJE , Joaquim Henrique TELES , Andrei-Nicolae PARVULESCU , Dylan SEGERS , Meinolf WEIDENBACH , Franciscus Johannes Robertus VAN NEER , Massimo BERGAMO
IPC分类号： C07D303/04
CPC分类号： C07D303/04
摘要： In a first aspect, the present invention relates to a shutdown method for a process for preparing an olefin oxide comprising a normal run stage, wherein the normal run stage comprises providing olefin, hydrogen peroxide and organic solvent into an epoxidation zone comprising an heterogeneous epoxidation catalyst, so that a reaction mixture comprising olefin, hydrogen peroxide and organic solvent is formed and subjecting the reaction mixture to epoxidation reaction conditions in the epoxidation zone, thereby obtaining a mixture comprising olefin oxide and organic solvent; wherein the shutdown method comprises (a) providing olefin and organic solvent for a period of time t1 to the epoxidation zone, so that a mixture is formed, which is essentially free of hydrogen peroxide; (b) contacting the mixture from (a) over t1 under epoxidation reaction conditions in the epoxidation zone with the heterogeneous epoxidation catalyst; (c) removing during t1 an effluent stream from the epoxidation zone, the effluent stream comprising olefin and organic solvent. In a second aspect, the present invention relates to a process for preparing an olefin oxide comprising a normal run stage and a shutdown stage, wherein the normal run stage comprises (A) providing olefin, hydrogen peroxide, water and organic solvent into an epoxidation zone comprising an heterogeneous epoxidation catalyst, so that a reaction mixture comprising olefin, hydrogen peroxide, water and organic solvent is formed; (B) subjecting the reaction mixture from (I) to epoxidation reaction conditions in the epoxidation zone, thereby obtaining a mixture comprising olefin oxide, water and organic solvent; (C) removing an effluent stream from the epoxidation zone, comprising olefin oxide, water and organic solvent; wherein the shutdown stage comprises steps (a), (b) and (c) as described with respect to the first aspect.

9. 发明申请

US20160332152A1 REGENERATION OF A TITANIUM CONTAINING ZEOLITE 有权
标题翻译：含有沸石的钛的再生
公开(公告)号：US20160332152A1
公开(公告)日：2016-11-17
申请号：US14907714
申请日：2014-07-16
申请人： BASF SE , DOW GLOBAL TECHNOLOGIES LLC
发明人： 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分类号： B01J29/90 , B01J37/02 , B01J37/00 , C07D301/12 , B01J37/30 , B01J38/48 , B01J38/06 , B01J38/02 , B01J29/70 , B01J37/08
CPC分类号： 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
摘要： 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.
摘要翻译：本发明涉及一种用于再生包含含钛沸石的催化剂的方法，所述催化剂已用于制备烯烃氧化物并沉积有磷酸盐的方法中，所述再生方法包括以下步骤：（a）将反应混合物与催化剂分离，（b）用液体水系洗涤由（a）获得的催化剂; （c）任选地在低于300℃的温度下将包含惰性气体的气流中的（b）得到的催化剂干燥; （d）在至少300℃的温度下，将由（c）得到的催化剂在包含氧的气流中煅烧

10. 发明申请

US20160176834A1 PROCESS FOR PREPARING PROPYLENE OXIDE 有权
标题翻译：制备丙烯氧化物的方法
公开(公告)号：US20160176834A1
公开(公告)日：2016-06-23
申请号：US14907998
申请日：2014-07-16
申请人： BASF SE , DOW GLOBAL TECHNOLOGIES LLC
发明人： 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分类号： C07D301/12 , B01J27/188 , B01J27/18 , B01J29/70
CPC分类号： C07D301/12 , B01J27/18 , B01J27/188 , B01J29/7038 , B01J29/7088 , B01J35/002 , B01J35/1019 , B01J2229/186 , Y02P20/52
摘要： 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 MVVW 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.
摘要翻译：一种用于制备环氧丙烷的连续方法，包括（i）提供包含丙烯，过氧化氢，乙腈，水，任选的丙烷和至少一种溶解的含磷酸钾的液体进料流，其中钾相对的摩尔比在磷氧基酸的至少一种钾盐中的磷在0.6至1.4的范围内; （ii）将（i）中提供的液体进料流送入包含催化剂的环氧化反应器中，所述催化剂包含含锌的结构型MVVW的钛沸石，并使液体进料流在环氧化反应器中进行环氧化反应条件，得到反应混合物包括环氧丙烷，乙腈，水，所述至少一种溶解的含磷酸的钾盐，任选的丙烯，以及任选的丙烷; （iii）从环氧化反应器中除去流出物流，所述流出物流包含环氧丙烷，乙腈，水，所述至少一种溶解的含磷酸的钾盐，任选的丙烯和任选的丙烷的至少一部分。

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