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公开(公告)号:US20180036723A1
公开(公告)日:2018-02-08
申请号:US15550581
申请日:2016-02-12
发明人: Dominic RIEDEL , Joaquim Henrique TELES , Daniel URBANCZYK , Ulrike WEGERLE , Luise SPISKE , Andrei-Nicolae PARVULESCU , Alexander SCHROEDER , Ulrich MUELLER , Meinolf WEIDENBACH , Werner J. WITZL
IPC分类号: B01J29/89 , C07D301/12 , B01J38/48 , B01J29/90 , B01J38/12
CPC分类号: B01J29/89 , B01J29/90 , B01J35/023 , B01J35/1061 , B01J38/12 , B01J38/48 , B01J2229/183 , B01J2229/186 , C01B39/085 , C07D301/12 , Y02P20/52 , Y02P20/584
摘要: 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.
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公开(公告)号:US20160185741A1
公开(公告)日:2016-06-30
申请号:US14906852
申请日:2014-07-16
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%。
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公开(公告)号:US20170298034A1
公开(公告)日:2017-10-19
申请号:US15636787
申请日:2017-06-29
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 , C07D301/36 , B01J27/18 , B01J27/188 , B01J27/232 , B01J29/70 , B01J29/89 , B01J31/04 , C07D301/00 , C01B39/48 , C01B39/12 , C01B39/08 , C01B39/02 , B01J37/00 , B01J35/02 , B01J35/00 , C07D303/04 , B01J29/86
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 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.
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公开(公告)号:US20180230117A1
公开(公告)日:2018-08-16
申请号:US15521924
申请日:2015-10-27
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).
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公开(公告)号:US20160176835A1
公开(公告)日:2016-06-23
申请号:US14908042
申请日:2014-07-16
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。
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公开(公告)号:US20160332152A1
公开(公告)日:2016-11-17
申请号:US14907714
申请日:2014-07-16
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
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公开(公告)号:US20160115140A1
公开(公告)日:2016-04-28
申请号:US14787956
申请日:2014-04-28
发明人: 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分类号: C07D301/12 , B01D3/14 , C07D301/32
CPC分类号: C07D301/12 , B01D3/143 , C07D301/32
摘要: 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).
摘要翻译: 一种用于制备环氧丙烷的连续方法,包括(a)在乙腈作为溶剂的存在下,在反应装置中将丙烯任选与丙烷混合,与过氧化氢反应,得到含有环氧丙烷,乙腈,水的流S0 至少一种另外的组分B,任选的丙烯和任选的丙烷,其中至少一种组分B的标准沸点高于乙腈的标准沸点,其中辛醇 - 水分配系数(log Kow)的十进制对数 所述至少一个组分B大于零; (b)从S0分离环氧丙烷,得到含有乙腈,水和至少一种其它组分B的料流S1; (c)将S1划分成两个流S2和S3; (d)使S3在分馏装置中进行汽 - 液分馏,得到耗尽至少一种B成分的蒸汽馏分流S4; (e)将至少一部分S4,任选地在后处理之后再循环至(a)。
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