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公开(公告)号:US12122961B2
公开(公告)日:2024-10-22
申请号:US17421576
申请日:2019-01-28
申请人: SABIC Global Technologies B.V. , DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
发明人: Mao Ye , Yinfeng Zhao , Zhongmin Liu , Hailong Tang , Jing Wang , Jinling Zhang , Tao Zhang , Talal Khaled Al-Shammari
CPC分类号: C10G11/182 , B01J8/1863 , B01J8/1872 , B01J8/24 , B01J35/40 , B01J35/51 , B01J2208/00991 , C10G2300/1044 , C10G2300/4018 , C10G2300/4025 , C10G2300/4093 , C10G2300/701 , C10G2300/703 , C10G2400/20 , C10G2400/30
摘要: The present disclosure includes a system for producing low carbon olefins and/or aromatics from raw material comprising naphtha. The system can include a reaction unit that includes a fast fluidized bed reactor, a stripping unit that includes a stripper, and a regeneration unit. The reactor unit is adapted to allow the catalytic cracking of naphtha and to output reaction unit effluent material (spent catalyst and product gas) into the stripping unit, which is adapted to output product gas. The stripping unit is connected to and in fluid communication with the regeneration unit such that the stripping unit supplies the spent catalyst from the reaction unit to regeneration unit. The regeneration unit is adapted to regenerate the spent catalyst to form regenerated catalyst. The regeneration unit is connected to and in fluid communication with the fast fluidized bed reactor such that, in operation, regenerated catalyst can be sent to the fast fluidized bed reactor of the reaction unit.
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公开(公告)号:US20240228699A1
公开(公告)日:2024-07-11
申请号:US18567024
申请日:2022-05-19
发明人: Guangyuan ZHOU , Lu LI , Min JIANG , Rui WANG
IPC分类号: C08G63/85 , B01J35/34 , C08G63/183 , C08G63/672
CPC分类号: C08G63/85 , B01J35/34 , C08G63/183 , C08G63/672 , B01J2235/30
摘要: A preparation method of a polyester is provided. The method includes the following steps: allowing a raw material including a diacid and a diol to contact a monoclinic nano-TiO2 (namely, TiO2(B)) catalyst, and conducting an esterification reaction and a polycondensation reaction sequentially to obtain the polyester. The method can efficiently catalyze the synthesis of the polyester and avoid from yellowing of the polyester. Meanwhile, nano-TiO2(B) is polymerized in situ in the polyester, such that a structure of nano-TiO2(B) can adjust the structure and properties of a polyester matrix and effectively improve the mechanical, thermal, and barrier properties of the polyester.
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93.
公开(公告)号:US20240109833A1
公开(公告)日:2024-04-04
申请号:US18275444
申请日:2021-02-03
发明人: Youming NI , Wenliang ZHU , Zhongmin LIU
IPC分类号: C07C51/377 , C07C67/31
CPC分类号: C07C51/377 , C07C67/31
摘要: A method for preparing glycolic acid and methyl glycolate through hydrolysis of methyl methoxyacetate and methoxyacetic acid is provided. The method includes allowing raw materials including methyl methoxyacetate, methoxyacetic acid, and water to contact and react with a catalyst to produce glycolic acid and methyl glycolate, where the catalyst is at least one selected from the group consisting of a solid acid catalyst, a liquid acid catalyst, a solid base catalyst, and a liquid base catalyst. The method for preparing glycolic acid and methyl glycolate in the present application can be implemented by a traditional fixed-bed reactor, tank reactor, or catalytic distillation reactor under an atmospheric pressure, which is very suitable for continuous production.
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公开(公告)号:US20240101869A1
公开(公告)日:2024-03-28
申请号:US18256492
申请日:2021-09-22
发明人: Jinkai HAO , Hongjie ZHANG , Zhigang SHAO
IPC分类号: C09J7/25 , C09J7/38 , C09J11/08 , C09J183/06 , H01M4/88
CPC分类号: C09J7/255 , C09J7/38 , C09J11/08 , C09J183/06 , H01M4/881 , H01M4/8825 , C09J2203/33 , C09J2467/006 , C09J2483/00
摘要: A protective film sequentially includes a release film, a low-viscosity silica gel layer, a high-viscosity silica gel layer and a substrate from top to bottom. A high-viscosity organosilicon adhesive, a hydroxyl-terminated polydimethylsiloxane, a curing agent, an additive and a solvent are coated on a polyester film. A low-viscosity organosilicon adhesive, the hydroxyl-terminated polydimethylsiloxane, the curing agent, the additive and the solvent are mixed and costed on the polyester film complex, which is pressed with the release film to obtain a silica gel protective film for fuel cells. A proton exchange membrane is coated with a catalyst to form a first catalyst layer, the protective film is adhered to the surface of the first catalyst layer, the second side of the proton exchange membrane is coated, and the silica gel protective film is peeled off after the coating is finished to obtain a CCM for a fuel cell.
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公开(公告)号:US20240026550A1
公开(公告)日:2024-01-25
申请号:US18255326
申请日:2021-03-24
发明人: Dehui DENG , Yanting LIU , Xin BO , Yunmao SHU
IPC分类号: C25B1/044 , C25B15/08 , C25B9/17 , C25B15/023
CPC分类号: C25B1/044 , C25B15/085 , C25B9/17 , C25B15/023
摘要: A compact portable oxyhydrogen generator has a housing, an end cover fastened on the upper end of the housing for discharging gas, and a bottom cover fastened at the lower end of the housing. A battery module for supplying power, an electrolytic cell module for generating hydrogen/oxygen mixture, a water filtration cell for filtering moisture, and a multi-stage filter baffle for further filtering the gas are sequentially arranged in the housing from bottom to top. A flame retardant core is provided between the filter baffle at the top layer and a gas outlet provided in the end cover. The multi-stage filter baffle is provided according to requirements of a gas filtering index. Water is used as a reaction raw material and an inorganic salt can be used as an electrolyte, such that a normal-pressure hydrogen/oxygen mixture may be to directly generated, and can be produced when needed.
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公开(公告)号:US11712675B2
公开(公告)日:2023-08-01
申请号:US16767238
申请日:2017-11-30
发明人: Tao Zhang , Mao Ye , Zhongmin Liu , Jinling Zhang , Hailong Tang , Jinming Jia , Xiangao Wang , Cheng Zhang , Hua Li , Yinfeng Zhao , Chenggong Li
CPC分类号: B01J8/1827 , B01D45/16 , B01D50/20 , B01J8/002 , B01J8/006 , B01J8/0055 , B01J8/1836 , B01J29/40 , B01J29/85 , B01J37/28 , B01J2208/00389 , B01J2208/00504 , B01J2208/00752 , B01J2208/00893
摘要: The present application discloses a molecular sieve-based catalyst modification apparatus. The apparatus comprises a feed unit 1, a modification unit 2 and a cooling unit 3 connected in sequence; the feed unit comprises a catalyst feed unit 11 and a modifier feed unit 12, a catalyst and a modifier are introduced into the modification unit 2 respectively by the catalyst feed unit and the modifier feed unit and are discharged from the modification unit after sufficient reaction in modification unit, and then enter the cooling unit 3 for cooling. The present application further discloses a use method for the molecular sieve-based catalyst modification apparatus. The use method comprises: introducing a catalyst and a modifier into the modification unit 2 respectively through the feed unit 1; wherein the catalyst is modified by the modifier in the modification unit 2, and then discharged to the cooling unit 3 to cool until the temperature is lower than 50° C., and then the cooled modified catalyst is transferred to any storage device.
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公开(公告)号:US20230125888A1
公开(公告)日:2023-04-27
申请号:US17802543
申请日:2020-10-16
发明人: Tao ZHANG , Mao YE , Jinling ZHANG , Shuliang XU , Hailong TANG , Xiangao WANG , Cheng ZHANG , Jinming JIA , Jing WANG , Hua LI , Chenggong LI , Zhongmin LIU
IPC分类号: B01J29/90 , B01J29/85 , B01J38/06 , B01J38/14 , B01J38/16 , C07C1/20 , C07C11/04 , C07C11/06 , B01J8/28 , B01J8/00 , B01J8/34 , B01J8/18 , B01J38/18
摘要: A regeneration device, a device for preparing low-carbon olefins, and a use thereof are provided. The regeneration device includes a first regenerator and a second regenerator; a first activation zone of the first regenerator is connected to the second regenerator through a pipeline, such that a catalyst in the first activation zone is able to be delivered to the second regenerator; and the second regenerator is connected to a gas-solid separation zone of the first regenerator through a pipeline, such that a catalyst in the second regenerator is able to be delivered to the gas-solid separation zone. The regeneration device can adjust the coke content, coke content distribution, and coke species in a dimethyl ether/methanol to olefins (DMTO) catalyst to control an operation window of the DMTO catalyst, which improves the selectivity for low-carbon olefins and the atomic economy of a methanol-to-olefins (MTO) technology.
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公开(公告)号:US20230001393A1
公开(公告)日:2023-01-05
申请号:US17784648
申请日:2019-12-12
发明人: Guangye LIU , Danhua YUAN , Yunpeng XU , Zhongmin LIU , Yanan LIU , Changmin BAI , Wei HUANG , Zhaoan CHEN , Shiying LI
IPC分类号: B01J29/08 , B01J29/18 , B01J29/70 , B01J37/08 , B01J37/30 , B01J38/12 , B01J29/90 , C07C17/25
摘要: A catalyst for pyrolysis of 1,2-dichloroethane (1,2-DCE) to prepare vinyl chloride monomer (VCM), a preparation method, a use, and a regeneration method thereof are provided. The catalyst for pyrolysis of 1,2-DCE to prepare VCM includes a silicon-aluminum molecular sieve. The catalyst for pyrolysis of 1,2-DCE to prepare VCM has high reaction activity and excellent selectivity and solves the problem that the pyrolysis of 1,2-DCE to prepare VCM in the prior art involves high reaction temperature and large energy consumption and is prone to coking and carbon deposition.
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公开(公告)号:US20230001371A1
公开(公告)日:2023-01-05
申请号:US17784650
申请日:2020-10-16
发明人: Mao YE , Tao ZHANG , Jinling ZHANG , Shuliang XU , Hailong TANG , Xiangao WANG , Cheng ZHANG , Jinming JIA , Jing WANG , Hua LI , Chenggong LI , Zhongmin LIU
摘要: A fluidized bed reactor includes a main shell and a coke control zone shell; the main shell includes an upper shell and a lower shell; the upper shell encloses a gas-solid separation zone, and the lower shell encloses a reaction zone; the reaction zone axially communicates with the gas-solid separation zone; the coke control zone shell is circumferentially arranged on an outer wall of the main shell; the coke control zone shell and the main shell enclose an annular cavity, and the annular cavity is a coke control zone; n baffles are radially arranged in the coke control zone, and the n baffles divide the coke control zone into n coke control zone subzones, where n is an integer; the coke control zone subzones are provided with a coke control raw material inlet; and a catalyst circulation hole is formed in each of n-1 of the baffles.
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100.
公开(公告)号:US11434183B2
公开(公告)日:2022-09-06
申请号:US17262677
申请日:2018-07-27
发明人: Xiong Su , Xiaoli Yang , Yanqiang Huang , Tao Zhang
IPC分类号: C07C2/86 , B01J29/70 , B01J35/02 , B01J35/10 , B01J37/00 , B01J37/04 , B01J37/06 , B01J37/08 , B01J37/10 , C07C15/073 , B01J29/04
摘要: Disclosed is a catalyst for producing ethylbenzene in one-step by vapor phase alkylation reaction of ethanol and benzene. The catalyst has the following features for the reaction: high alkylation reaction activity, high selectivity of ethylbenzene in an alkylation product, high hydrothermal stability and stable catalytic performance. The catalyst comprises a mesoporous-microporous composite TNU-9 molecular sieve and the silicon to aluminum molar ratio, SiO2/Al2O3, of the meso-microporous composite TNU-9 molecular sieve ranges from 50 to 200.
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