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公开(公告)号：US10059649B2
公开(公告)日：2018-08-28
申请号：US15103076
申请日：2013-12-16
Inventor： Yong Liu , Wenliang Zhu , Hongchao Liu , Youming Ni , Zhongmin Liu , Shuanghe Meng , Lina Li , Shiping Liu , Hui Zhou
IPC: C07C29/154 , C07C29/149 , B01J23/72 , B01J23/78 , B01J23/80 , B01J23/86 , B01J23/889 , C07C29/156
CPC classification number: C07C29/154 , B01J23/72 , B01J23/78 , B01J23/80 , B01J23/868 , B01J23/8892 , C07C29/149 , C07C29/156 , C07C2521/04 , C07C2521/10 , C07C2523/02 , C07C2523/06 , C07C2523/26 , C07C2523/28 , C07C2523/34 , C07C2523/72 , C07C2523/745 , C07C2523/755 , Y02P20/52 , C07C31/04 , C07C31/08
Abstract: A method for producing ethanol and coproducing methanol on a catalyst in a reactor using a co-feed of a synthesis gas and acetate as a reaction raw material comprising passing a raw material gas containing an acetate and a synthesis gas through a reactor loaded with a catalyst to produce ethanol and coproduce methanol under conditions of a reaction temperature of 150-350° C., a reaction pressure of 0.1-20.0 MPa, a reaction volume hourly space velocity of 100-45000 mlg−1h−1, and an acetate weight hourly space velocity of 0.01-5.0 h−1; and the active components of the catalyst are copper and optionally zinc and/or aluminum, which greatly facilitates the conversion of carbon monoxide to methanol, while an extremely high activity of acetate hydrogenation is maintained.
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公开(公告)号：US11247959B2
公开(公告)日：2022-02-15
申请号：US17054894
申请日：2018-08-01
Inventor： Youming Ni , Wenliang Zhu , Zhongmin Liu , Yong Liu , Hongchao Liu , Xiangang Ma , Shiping Liu
Abstract: Provided is a method for directly preparing dimethyl ether by synthesis gas, the method comprises: the synthesis gas is passed through a reaction zone carrying a catalyst, and reacted under the reaction conditions sufficient to convert at least a portion of the raw materials to obtain the reaction effluent comprising dimethyl ether; and the dimethyl ether is separated from the reaction effluent, wherein the catalyst is zinc aluminum spinel oxide. In the present invention, only one zinc aluminum spinel oxide catalyst is used, which can make the synthesis gas to highly selectively form dimethyl ether, the catalyst has good stability and can be regenerated. The method of the present invention realizes the production of dimethyl ether in one step by the synthesis gas, and reduces the large energy consumption problem caused by step-by-step production.
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公开(公告)号：US09440226B2
公开(公告)日：2016-09-13
申请号：US14650589
申请日：2014-01-28
Inventor： Youming Ni , Wenliang Zhu , Hongchao Liu , Yong Liu , Zhongmin Liu , Shuanghe Meng , Lina Li , Shiping Liu , Hui Zhou
CPC classification number: B01J31/0244 , B01J29/18 , B01J31/0237 , B01J31/0238 , B01J37/0203 , B01J2229/34 , C07C67/37 , C07C69/14
Abstract: The present invention provides a method for preparing methyl acetate, in which a feed gas containing an organic amine, dimethyl ether, carbon monoxide and optional hydrogen gas goes through a reactor loaded with a H-type mordenite catalyst, to produce methyl acetate; wherein said H-type mordenite catalyst is a H-type mordenite catalyst with adsorption of an organic amine. The method in the present invention improves the catalyst stability and prolongs the catalyst life, by using the H-type mordenite catalyst with adsorption of an organic amine as the catalyst and adding the organic amine in the feed gas to replenish the organic amine desorbed from the catalyst during the reaction.
Abstract translation: 本发明提供了一种制备乙酸甲酯的方法，其中含有有机胺，二甲醚，一氧化碳和任选的氢气的进料气体经过负载有H型丝光沸石催化剂的反应器，生产乙酸甲酯; 其中所述H型丝光沸石催化剂是吸附有机胺的H型丝光沸石催化剂。 本发明的方法通过使用H型丝光沸石催化剂吸附有机胺作为催化剂，并在进料气体中加入有机胺，从而提高催化剂的稳定性并延长催化剂寿命，从而补充从 催化剂。
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公开(公告)号：US12036538B2
公开(公告)日：2024-07-16
申请号：US17426979
申请日：2019-02-02
Inventor： Hongchao Liu , Shiping Liu , Wenliang Zhu , Zhongmin Liu , Xiangang Ma , Yong Liu , Ziqiao Zhou , Youming Ni
CPC classification number: B01J29/18 , B01J6/001 , B01J2229/16 , B01J2229/37 , B01J2229/38
Abstract: Provided are a molecular sieve catalyst, a preparation method therefor, an application thereof. The molecular sieve catalyst contains a modified Na-MOR molecular sieve, and the modification comprises: organic ammonium salt exchange, dealumination treatment, and ammonium ion exchange. The catalyst obtained by the method is used in dimethyl ether for one-step production of methyl acetate. The catalyst has high activity and stable performance, and the needs of industrial production can be satisfied.
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公开(公告)号：US11225443B2
公开(公告)日：2022-01-18
申请号：US16763015
申请日：2017-11-21
Inventor： Youming Ni , Wenliang Zhu , Zhongmin Liu , Yong Liu , Zhiyang Chen , Hongchao Liu , Xiangang Ma , Shiping Liu
IPC: C07C2/86 , B01J21/18 , B01J29/40 , B01J29/46 , B01J29/48 , B01J35/02 , B01J37/00 , B01J37/02 , B01J37/03 , B01J37/04 , B01J37/06 , B01J37/08
Abstract: A method for directly preparing p-xylene from synthetic gas and aromatic hydrocarbon. The method includes contacting the feedstock containing synthetic gas and aromatic hydrocarbon excluding p-xylene with the catalyst in the reaction zone under reaction conditions sufficient to convert at least part of the feedstock to obtain a reaction effluent containing p-xylene; and separating p-xylene from the reaction effluent, where the catalyst includes a highly dispersed metal oxide material confined by an inert carrier, an acidic molecular sieve, and optionally at least one of graphite powder and dispersant, where in the highly dispersed metal oxide material confined by the inert carrier, the inert carrier is at least one of silicon oxide and alumina, and the content of the metal oxide in terms of metal is less than or equal to 10% by mass calculated based on the weight of the highly dispersed metal oxide material confined by the inert carrier.
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Patent Agency Ranking
公开(公告)号：US11014076B2
公开(公告)日：2021-05-25
申请号：US16343870
申请日：2017-08-22
Inventor： Youming Ni , Wenliang Zhu , Zhongmin Liu , Zhiyang Chen , Yong Liu , Hongchao Liu , Xiangang Ma , Shiping Liu
IPC: B01J29/06 , B01J29/40 , B01J23/00 , B01J29/44 , B01J29/46 , B01J29/48 , B01J29/90 , B01J37/03 , B01J37/04 , B01J38/12 , C01B39/02 , C07C1/04 , B01J38/14 , B01J21/06 , B01J21/04 , B01J35/02 , B01J23/72 , B01J23/26 , B01J37/00 , B01J35/00 , B01J38/02 , B01J23/44 , B01J23/06 , B01J23/90 , B01J29/76 , B01J29/08 , B01J29/22 , B01J29/16 , B01J29/18 , B01J29/26 , B01J29/24 , B01J29/70 , B01J29/78 , B01J29/74 , B01J29/72
Abstract: A catalyst for synthesizing aromatic hydrocarbons, a preparation method thereof and a method for synthesizing aromatic hydrocarbons by using the catalyst. The catalyst comprises acidic molecular sieve particles and zinc-aluminum composite oxide particles. The catalyst has relatively high selectivity to aromatic hydrocarbons, particularly BTX, stable performance, and a long single-pass life.
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公开(公告)号：US10927051B2
公开(公告)日：2021-02-23
申请号：US16344375
申请日：2017-08-22
Inventor： Youming Ni , Wenliang Zhu , Zhongmin Liu , Zhiyang Chen , Yong Liu , Hongchao Liu , Xiangang Ma , Shiping Liu
Abstract: Disclosed is a method for preparing aromatic hydrocarbons, particularly relates to the preparation of the aromatic hydrocarbons by passing methanol and carbon monoxide through a reactor loaded with an acidic ZSM-5 molecular sieve catalyst containing no metal additive under reaction conditions. Compared with the prior art, the method provided by the present invention can improve and stabilize the selectivity to aromatic hydrocarbons, particularly BTX, by adding carbon monoxide in methanol aromatization, and also prolongs the single-pass life of the catalyst. The performance of an inactivated catalyst is not significantly degraded after repeated regenerations. Furthermore, the catalyst preparation process omits the step of adding a metal additive, so that not only the process is simplified, but also costs are greatly reduced, and environmental protection is facilitated.
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公开(公告)号：US10815162B2
公开(公告)日：2020-10-27
申请号：US16763026
申请日：2018-10-29
Inventor： Youming Ni , Wenliang Zhu , Zhongmin Liu , Yong Liu , Zhiyang Chen , Hongchao Liu , Xiangang Ma , Shiping Liu
IPC: C07C1/04 , B01J35/02 , B01J37/04 , B01J37/08 , B01J37/03 , B01J37/00 , B01J37/06 , B01J37/02 , B01J29/40 , B01J29/48 , B01J29/46 , B01J21/18
Abstract: A method for preparing aromatics from syngas, which includes a) contacting a raw material stream containing syngas with a catalyst in a reaction zone under reaction conditions sufficient to convert at least part of the raw material to obtain a reaction effluent; b) separating the reaction effluent to obtain at least a recycle stream containing gas-phase hydrocarbons having 1 to 4 carbon atoms and unconverted syngas and a liquid stream containing hydrocarbons having 5 or more carbon atoms; c) returning the recycle stream to the reaction zone; and d) separating aromatic products from the liquid stream, wherein the catalyst includes at least one of an inert carrier-confined highly dispersed metal oxide material, an acidic molecular sieve, and, optionally, graphite powder and a dispersant.
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9.发明授权公开(公告)号：US09708240B2
公开(公告)日：2017-07-18
申请号：US15105364
申请日：2013-12-23
Inventor： Youming Ni , Wenliang Zhu , Hongchao Liu , Yong Liu , Zhongmin Liu , Shuanghe Meng , Lina Li , Shiping Liu , Hui Zhou
IPC: C07C67/37 , C07C67/38 , C07C69/708
CPC classification number: C07C67/37 , C07C67/38 , C07C69/708
Abstract: A method for preparing a polyoxymethylene dimethyl ether carbonyl compound and/or methyl methoxyacetate as intermediates for producing ethylene glycol, which comprises passing a raw material: polyoxymethylene dimethyl ether or methylal together with carbon monoxide and hydrogen gas through a reactor carrying an acidic molecular sieve catalyst, and performing a reaction to prepare a corresponding product under an appropriate condition where no other solvent is added, in which the process of the reaction is a gas-liquid-solid three-phase reaction, the raw material of polyoxymethylene dimethyl ether or methylal has a high conversion rate, each product has a high selectivity, the catalyst has a long service life, additional solvents are not required to be used, and reaction conditions are relatively mild.
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公开(公告)号：US12162831B2
公开(公告)日：2024-12-10
申请号：US17427199
申请日：2019-02-02
Inventor： Hongchao Liu , Wenliang Zhu , Zhongmin Liu , Shiping Liu , Xiangang Ma , Yong Liu , Youming Ni
Abstract: Disclosed by the present application is a method for producing methyl acetate by means of the carbonylation of dimethyl ether. The method comprises: passing dimethyl ether and a feed gas comprising carbon monoxide through a reactor loaded with a solid acid catalyst for reaction so as to produce methyl acetate, the molar ratio of carbon monoxide to dimethyl ether being 0.05:1-0.5:1. The described method has the advantages of a low molar ratio of carbon monoxide to dimethy1 ether, a high conversion rate of carbon monoxide, a small gas circulation amount, low operation costs and so on.
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