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2. 发明专利

ES2762657T3 Destilación parcial de una corriente 未知
公开(公告)号：ES2762657T3
公开(公告)日：2020-05-25
申请号：ES15786922
申请日：2015-10-27
申请人： BASF SE , DOW GLOBAL TECHNOLOGIES LLC
发明人： RIEDEL DOMINIC , TELES JOAQUIM , SEELIG BIANCA , KAMPE PHILIP , WEBER MARKUS , SCHRÖDER ALEXANDER , URBANCZYK DANIEL , WEIDENBACH MEINOLF , MÜLLER ULRICH , WITZL WERNER , PARVULESCU ANDREI-NICOLAE , BÄR HOLGER
IPC分类号： C07D301/12
摘要： Un proceso continuo para la preparacion de oxido de propileno, que comprende (a) hacer reaccionar propeno, opcionalmente mezclado con propano, con peroxido de hidrogeno en un aparato de reaccion en presencia de acetonitrilo como disolvente, obteniendo una corriente S0 que sale del aparato de reaccion, S0 que contiene oxido de propileno, acetonitrilo, agua, al menos un componente adicional B, opcionalmente propeno y opcionalmente propano, en el que el punto de ebullicion normal de al menos un componente B es mas alto que el punto de ebullicion normal del acetonitrilo y en el que el logaritmo decadico del coeficiente de particion octanol-agua (log KOW) de al menos un componente B es mayor que cero; (b) separar el oxido de propileno de S0, opcionalmente despues de haber separado el propeno y opcionalmente el propano, obteniendo una corriente S1 que contiene acetonitrilo, agua y al menos otro componente B; (c) dividir S1 en dos corrientes S2 y S3, en el que el peso total de S3 con respecto al peso total de S1 esta en el intervalo de 0,01 a 25%; (d) someter a S3 a un fraccionamiento vapor-liquido en una primera unidad de fraccionamiento, obteniendo una corriente de fraccion de vapor S4a que se agota, en relacion con S3, en al menos uno de al menos un componente B y obtener una corriente liquida de fondos S4b, y someter al menos parte de la corriente de fraccion de vapor S4a a un fraccionamiento vapor-liquido en una segunda unidad de fraccionamiento, obteniendo una corriente de fraccion de vapor S4c y una corriente liquida de fondos S4 que se agota, en relacion con S4a, en al menos uno de al menos un componente B; (e) reciclar al menos una parte de S4, opcionalmente despues del tratamiento, a (a), y reciclar al menos una parte de S2, opcionalmente despues del tratamiento, a (a).

3. 发明专利

ZA201703494B PART-STREAM DISTILLATION 未知
公开(公告)号：ZA201703494B
公开(公告)日：2019-08-28
申请号：ZA201703494
申请日：2017-05-22
申请人： BASF SE , DOW GLOBAL TECHNOLOGIES LLC
发明人： TELES JOAQUIM HENRIQUE , RIEDEL DOMINIC , SEELIG BIANCA , KAMPE PHILIP , WEBER MARKUS , SCHRÖDER ALEXANDER , PARVULESCU ANDREI-NICOLAE , MÜLLER ULRICH , URBANCZYK DANIEL , WEIDENBACH MEINOLF , WITZL WERNER , BÄR HOLGER
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 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).

4. 发明专利

ES2685811T3 Un proceso para preparar óxido de propileno 未知
公开(公告)号：ES2685811T3
公开(公告)日：2018-10-11
申请号：ES14739185
申请日：2014-07-16
申请人： BASF SE , DOW GLOBAL TECHNOLOGIES LLC
发明人： RIEDEL DOMINIC , TELES JOAQUIM HENRIQUE , WEGERLE ULRIKE , PARVULESCU ANDREI-NICOLAE , SCHRÖDER ALEXANDER , SPISKE LUISE , URBANCZYK DANIEL , MÜLLER ULRICH , WITZL WERNER , WEIDENBACH MEINOLF
IPC分类号： B01J29/89 , B01J29/70 , B01J35/00 , B01J37/00 , B01J37/02 , B01J37/10 , C07D301/12 , C07D301/36 , C07D303/04
摘要： Un proceso continuo para la preparación de óxido de propileno, que comprende (i) proporcionar una corriente de alimentación de líquido que comprende propeno, peróxido de hidrógeno, acetonitrilo, agua, opcionalmente propano, y la al menos una sal de potasio disuelta; (ii) pasar la corriente de alimentación proporcionada en (i) a un reactor de epoxidación que comprende un catalizador que comprende una zeolita de titanio de estructura tipo MWW y someter la corriente de alimentación a condiciones de reacción de epoxidación en el reactor de epoxidación, obteniendo una mezcla de reacción que comprende óxido de propileno acetonitrilo, agua, la al menos una sal de potasio, opcionalmente propeno, y opcionalmente propano; (iii) eliminar una corriente efluente del reactor de epoxidación, comprendiendo la corriente efluente óxido de propileno, acetonitrilo, agua, al menos una porción de la al menos una sal de potasio, opcionalmente propeno, y opcionalmente propano, en donde la al menos una sal de potasio se selecciona del grupo que consiste en formiato de potasio, acetato de potasio, carbonato de potasio e hidrogenocarbonato de potasio.

5. 发明专利

SG11201600537RA A PROCESS FOR PREPARING PROPYLENE OXIDE 未知
公开(公告)号：SG11201600537RA
公开(公告)日：2016-02-26
申请号：SG11201600537R
申请日：2014-07-16
申请人： BASF SE , DOW GLOBAL TECHNOLOGIES LLC
发明人： RIEDEL DOMINIC , TELES JOAQUIM HENRIQUE , WEGERLE ULRIKE , PARVULESCU ANDREI-NICOLAE , SCHRÖDER ALEXANDER , SPISKE LUISE , URBANCZYK DANIEL , MÜLLER ULRICH , WITZL WERNER , WEIDENBACH MEINOLF
IPC分类号： B01J29/89 , B01J29/70 , B01J35/00 , B01J37/00 , B01J37/02 , B01J37/10 , C07D301/12 , C07D301/36 , C07D303/04
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.

6. 发明专利

ZA201900949B A PROCESS FOR PREPARING PROPYLENE OXIDE 未知
公开(公告)号：ZA201900949B
公开(公告)日：2021-06-30
申请号：ZA201900949
申请日：2019-02-14
申请人： BASF SE , DOW GLOBAL TECHNOLOGIES LLC
发明人： TELES JOAQUIM HENRIQUE , KRAMP MARVIN , MUELLER CHRISTIAN , WOERZ NICOLAI TONIO , METZEN BERND , KELLER TOBIAS , RIEDEL DOMINIC , SCHELLING HEINER , WEBER MARKUS , URBANCZYK DANIEL , PARVULESCU ANDREI-NICOLAE , WEGERLE ULRIKE , MUELLER ULRICH , WEIDENBACH MEINOLF , WITZL WERNER , LUECKE KARSTEN
摘要： 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.

7. 发明专利

ZA201902412B A PROCESS FOR PREPARING PROPYLENE OXIDE 未知
公开(公告)号：ZA201902412B
公开(公告)日：2020-01-29
申请号：ZA201902412
申请日：2019-04-16
申请人： BASF SE , DOW GLOBAL TECHNOLOGIES LLC
发明人： RIEDEL DOMINIC , TELES JOAQUIM HENRIQUE , WEGERLE ULRIKE , PARVULESCU ANDREI-NICOLAE , SCHRÖDER ALEXANDER , SPISKE LUISE , URBANCZYK DANIEL , MÜLLER ULRICH , WITZL WERNER , WEIDENBACH MEINOLF
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.

8. 发明专利

PL3024579T3 SPOSÓB WYTWARZANIA TLENKU PROPYLENU 未知
公开(公告)号：PL3024579T3
公开(公告)日：2019-09-30
申请号：PL14739188
申请日：2014-07-16
申请人： BASF SE , DOW GLOBAL TECHNOLOGIES LLC
发明人： TELES JOAQUIM HENRIQUE , SEELIG BIANCA , RIEDEL DOMINIC , KAMPE PHILIP , URBANCZYK DANIEL , WEBER MARKUS , MÜLLER ULRICH , PARVULESCU ANDREI-NICOLAE , GUMLICH KAI , BASSLER PETER , BARTOSCH CHRISTIAN , JACUBINAS RICHARD , WEIDENBACH MEINOLF , WITZL WERNER
IPC分类号： B01J29/89 , B01J27/16 , B01J37/02 , C07D301/12

9. 发明专利

SG11201900013PA A PROCESS FOR PREPARING PROPYLENE OXIDE 未知
公开(公告)号：SG11201900013PA
公开(公告)日：2019-02-27
申请号：SG11201900013P
申请日：2017-07-19
申请人： BASF SE , DOW GLOBAL TECHNOLOGIES LLC
发明人： TELES JOAQUIM HENRIQUE , KRAMP MARVIN , MUELLER CHRISTIAN , WOERZ NICOLAI TONIO , METZEN BERND , KELLER TOBIAS , RIEDEL DOMINIC , SCHELLING HEINER , WEBER MARKUS , URBANCZYK DANIEL , PARVULESCU ANDREI-NICOLAE , WEGERLE ULRIKE , MUELLER ULRICH , WEIDENBACH MEINOLF , WITZL WERNER , LUECKE KARSTEN
IPC分类号： C07D301/12 , B01D3/00 , B01J29/89 , C07D303/04
摘要： 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.

10. 发明专利

SG11201600519XA A PROCESS FOR THE PREPARATION OF PROPYLENE OXIDE 未知
公开(公告)号：SG11201600519XA
公开(公告)日：2016-02-26
申请号：SG11201600519X
申请日：2014-07-16
申请人： BASF SE , DOW GLOBAL TECHNOLOGIES LLC
发明人： TELES JOAQUIM HENRIQUE , SEELIG BIANCA , RIEDEL DOMINIC , KAMPE PHILIP , URBANCZYK DANIEL , WEBER MARKUS , MÜLLER ULRICH , PARVULESCU ANDREI-NICOLAE , SCHRÖDER ALEXANDER , WEIDENBACH MEINOLF , WITZL WERNER
IPC分类号： B01J29/89 , B01J29/70 , B01J35/00 , B01J37/02 , B01J37/10 , C07D301/12 , C07D301/36 , C07D303/04
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.

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