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公开(公告)号：US20200254428A1
公开(公告)日：2020-08-13
申请号：US16849038
申请日：2020-04-15
发明人： Balasamy Rabindran Jermy , Syed Ahmed Ali , Raed Hasan Abudawoud , Abdullah Mohammed Aitani , Sulaiman Saleh Al-Khattaf
IPC分类号： B01J29/80 , C07C6/06 , B01J37/08 , B01J37/04 , B01J37/02 , B01J37/00 , B01J35/10 , B01J29/70 , C07C6/12 , B01J29/72 , C01B39/02
摘要： Embodiments of zeolite composite catalysts and methods of producing the zeolite composite catalysts are provided, where the methods comprise dissolving in an alkaline solution a catalyst precursor comprising at least one mesoporous zeolite while heating, stirring, or both to yield a dissolved zeolite solution, where the mesoporous zeolite has a molar ratio of SiO2/Al2O3 of at least 30, where the mesoporous zeolite comprises zeolite beta, adjusting the pH of the dissolved zeolite solution, aging the pH adjusted dissolved zeolite solution to yield solid zeolite composite from the dissolved zeolite solution, and calcining the solid zeolite composite to produce the zeolite composite catalyst, where the zeolite composite catalyst has a mesostructure comprising at least one disordered mesophase and at least one ordered mesophase, and where the zeolite composite catalyst has a surface area defined by the Brunauer-Emmett-Teller (BET) analysis of at least 600 m2/g.
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公开(公告)号：US20180361365A1
公开(公告)日：2018-12-20
申请号：US15624090
申请日：2017-06-15
发明人： Balasamy Rabindran Jermy , Syed Ahmed Ali , Raed Hasan Abudawoud , Abdullah Mohammed Aitani , Sulaiman Saleh Al-Khattaf
CPC分类号： B01J29/80 , B01J29/7007 , B01J29/7215 , B01J29/74 , B01J29/7415 , B01J29/78 , B01J29/7815 , B01J35/1019 , B01J35/1023 , B01J35/1042 , B01J35/1047 , B01J35/1057 , B01J35/1061 , B01J37/0018 , B01J37/0201 , B01J37/04 , B01J37/08 , B01J2229/14 , B01J2229/186 , B01J2229/22 , B01J2229/34 , B01J2229/38 , B01J2229/42 , C01B39/026 , C07C6/06 , C07C6/126 , C07C2529/70 , C07C2529/72 , C07C2529/74 , C07C2529/78 , C07C2529/80 , C07C15/08
摘要： Embodiments of zeolite composite catalysts and methods of producing the zeolite composite catalysts are provided, where the methods comprise dissolving in an alkaline solution a catalyst precursor comprising at least one mesoporous zeolite while heating, stirring, or both to yield a dissolved zeolite solution, where the mesoporous zeolite has a molar ratio of SiO2/Al2O3 of at least 30, where the mesoporous zeolite comprises zeolite beta, adjusting the pH of the dissolved zeolite solution, aging the pH adjusted dissolved zeolite solution to yield solid zeolite composite from the dissolved zeolite solution, and calcining the solid zeolite composite to produce the zeolite composite catalyst, where the zeolite composite catalyst has a mesostructure comprising at least one disordered mesophase and at least one ordered mesophase, and where the zeolite composite catalyst has a surface area defined by the Brunauer—Emmett—Teller (BET) analysis of at least 600 m2/g.
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公开(公告)号：US10661260B2
公开(公告)日：2020-05-26
申请号：US15624090
申请日：2017-06-15
发明人： Balasamy Rabindran Jermy , Syed Ahmed Ali , Raed Hasan Abudawoud , Abdullah Mohammed Aitani , Sulaiman Saleh Al-Khattaf
IPC分类号： B01J29/80 , B01J29/72 , B01J35/10 , C01B39/02 , C07C6/12 , B01J29/70 , B01J37/00 , B01J37/02 , B01J37/04 , B01J37/08 , C07C6/06 , B01J29/74 , B01J29/78
摘要： Embodiments of zeolite composite catalysts and methods of producing the zeolite composite catalysts are provided, where the methods comprise dissolving in an alkaline solution a catalyst precursor comprising at least one mesoporous zeolite while heating, stirring, or both to yield a dissolved zeolite solution, where the mesoporous zeolite has a molar ratio of SiO2/Al2O3 of at least 30, where the mesoporous zeolite comprises zeolite beta, adjusting the pH of the dissolved zeolite solution, aging the pH adjusted dissolved zeolite solution to yield solid zeolite composite from the dissolved zeolite solution, and calcining the solid zeolite composite to produce the zeolite composite catalyst, where the zeolite composite catalyst has a mesostructure comprising at least one disordered mesophase and at least one ordered mesophase, and where the zeolite composite catalyst has a surface area defined by the Brunauer-Emmett-Teller (BET) analysis of at least 600 m2/g.
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公开(公告)号：US09586873B2
公开(公告)日：2017-03-07
申请号：US14294774
申请日：2014-06-03
CPC分类号： C07C2/864 , C07C6/123 , C07C2529/40 , C07C15/02 , C07C15/08
摘要： A method is disclosed for selective simultaneous production of para-xylene, para-ethyltoluene and para-diethylbenzene from a reactant stream containing ethylbenzene and methanol, as an alkylating agent. The process comprises alkylation of the feedstock in a fluidized-bed rector under alkylating conditions, over a modified ZSM-5-based catalyst to produce streams containing above 95% para-isomers of dialkylbenzenes. The method also includes the steps of multilayer silylation to achieve simultaneous selectivity of the para-isomers of dialkylbenzenes.
摘要翻译： 公开了从含有乙苯和甲醇作为烷基化剂的反应物流中选择性同时生产对二甲苯，对 - 乙基甲苯和对二乙基苯的方法。 该方法包括在烷基化条件下在流化床反应器中在改性的ZSM-5基催化剂上烷基化原料，以产生含有95％以上二烷基苯的对位异构体的物流。 该方法还包括多层甲硅烷基化以实现二烷基苯的对位异构体的同时选择性的步骤。
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公开(公告)号：US20150344384A1
公开(公告)日：2015-12-03
申请号：US14294774
申请日：2014-06-03
IPC分类号： C07C2/86
CPC分类号： C07C2/864 , C07C6/123 , C07C2529/40 , C07C15/02 , C07C15/08
摘要： A method is disclosed for selective simultaneous production of para-xylene, para-ethyltoluene and para-diethylbenzene from a reactant stream containing ethylbenzene and methanol, as an alkylating agent. The process comprises alkylation of the feedstock in a fluidized-bed rector under alkylating conditions, over a modified ZSM-5-based catalyst to produce streams containing above 95% para-isomers of dialkylbenzenes. The method also includes the steps of multilayer silylation to achieve simultaneous selectivity of the para-isomers of dialkylbenzenes.
摘要翻译： 公开了从含有乙苯和甲醇作为烷基化剂的反应物流中选择性同时生产对二甲苯，对 - 乙基甲苯和对二乙基苯的方法。 该方法包括在烷基化条件下在流化床反应器中在改性的ZSM-5基催化剂上烷基化原料，以产生含有95％以上二烷基苯的对位异构体的物流。 该方法还包括多层甲硅烷基化以实现二烷基苯的对位异构体的同时选择性的步骤。
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公开(公告)号：US10173204B2
公开(公告)日：2019-01-08
申请号：US15975114
申请日：2018-05-09
摘要： A method of preparing a metal-doped zeolite catalyst with a modified topology (e.g. a pillared zeolite or a delaminated zeolite), and a method of using thereof in a process for converting an alkyl-aromatic hydrocarbon stream to BTX (benzene/toluene/xylene), wherein an enhanced pore topology in the metal-doped zeolite catalyst determines a selectivity to transalkylation of trimethylbenzene to xylene, which in turn leads to a higher xylene yield. Various embodiments of the method of preparing the metal-doped zeolite catalyst, and the process for converting the alkyl-aromatic hydrocarbon stream to BTX are also provided.
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公开(公告)号：US09783464B2
公开(公告)日：2017-10-10
申请号：US15489382
申请日：2017-04-17
CPC分类号： C07C4/06 , B01J29/40 , B01J35/002 , B01J37/06 , B01J2229/16 , B01J2229/37 , B01J2229/38 , C01B39/026 , C01B39/36 , C07C4/02 , C07C2529/035 , Y02P20/52 , C07C11/06 , C07C11/04
摘要： A novel process and a novel catalyst for the production of light olefins. 1-butene is cracked in the presence of an acid- or base-modified silicalite-1 catalyst bed, wherein the modified silicalite-1 has a Si/Al ratio of greater than 1000. The modification procedures described herein increase the selectivity of the silicalite-1 catalyst toward light olefins such as ethylene and propylene. The catalytic cracking of 1-butene may be carried out in a fixed bed reactor or a fluidized bed reactor.
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公开(公告)号：US20200291306A1
公开(公告)日：2020-09-17
申请号：US16353465
申请日：2019-03-14
摘要： An integrated process catalytically cracks whole light crude oil into light olefins, especially propylene and ethylene. The process is integrated with an adjacent conventional fluid catalytic cracking unit whereby the heavy liquid product mixture (light and heavy cycle oils) from whole crude oil cracking is mixed with vacuum gas oil (VGO) for further processing. The process comprises recycling total product fraction of light cracked naphtha (LCN) and mixing with fresh crude oil feed. High propylene and ethylene yields are obtained by cracking; the whole light crude oil and LCN in an FCC configuration using a mixture of FCC catalyst and ZSM-5 additive at a temperature between, that of conventional FCC and steam cracking.
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公开(公告)号：US20180257064A1
公开(公告)日：2018-09-13
申请号：US15975114
申请日：2018-05-09
CPC分类号： B01J29/7876 , B01J29/78 , C07C4/06 , C07C5/222 , C07C6/06 , C07C2529/74 , C07C2529/78 , Y02P20/52 , C07C15/08 , C07C15/04 , C07C15/06 , C07C15/073 , C07C15/02
摘要： A method of preparing a metal-doped zeolite catalyst with a modified topology (e.g. a pillared zeolite or a delaminated zeolite), and a method of using thereof in a process for converting an alkyl-aromatic hydrocarbon stream to BTX (benzene/toluene/xylene), wherein an enhanced pore topology in the metal-doped zeolite catalyst determines a selectivity to transalkylation of trimethylbenzene to xylene, which in turn leads to a higher xylene yield. Various embodiments of the method of preparing the metal-doped zeolite catalyst, and the process for converting the alkyl-aromatic hydrocarbon stream to BTX are also provided.
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公开(公告)号：US09783465B1
公开(公告)日：2017-10-10
申请号：US15658879
申请日：2017-07-25
CPC分类号： C07C4/06 , B01J29/40 , B01J35/002 , B01J37/06 , B01J2229/16 , B01J2229/37 , B01J2229/38 , C01B39/026 , C01B39/36 , C07C4/02 , C07C2529/035 , Y02P20/52 , C07C11/06 , C07C11/04
摘要： A novel process and a novel catalyst for the production of light olefins. 1-butene is cracked in the presence of an acid- or base-modified silicalite-1 catalyst bed, wherein the modified silicalite-1 has a Si/Al ratio of greater than 1000. The modification procedures described herein increase the selectivity of the silicalite-1 catalyst toward light olefins such as ethylene and propylene. The catalytic cracking of 1-butene may be carried out in a fixed bed reactor or a fluidized bed reactor.
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