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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
发明人： Hongchao Liu , Shiping Liu , Wenliang Zhu , Zhongmin Liu , Xiangang Ma , Yong Liu , Ziqiao Zhou , Youming Ni
CPC分类号： B01J29/18 , B01J6/001 , B01J2229/16 , B01J2229/37 , B01J2229/38
摘要： 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：US12021281B2
公开(公告)日：2024-06-25
申请号：US17121687
申请日：2020-12-14
发明人： Gongquan Sun , Jicai Huang , Suli Wang
IPC分类号： H01M8/06 , H01M8/04007 , H01M8/04014 , H01M8/04082 , H01M8/0612 , H01M8/12 , H01M8/2425
CPC分类号： H01M8/0618 , H01M8/04022 , H01M8/04074 , H01M8/04201 , H01M8/12 , H01M8/2425
摘要： A multi-fuel fuel cell system is based on the distributed hydrogen production and fuel cell technologies is presented. The system includes fuel supply unit, fuel processor, fuel cell, heat exchange and oxidizer supply units. The fuel processor is a plasma-catalytic reformer. The heat exchange unit is a multiflow heat exchanger which is of a cascading structure from bottom top or a concentric cylinder structure from inside to outside. The multiflow heat exchanger has the function of balancing the heat of fuel processor and fuel cell. The fuel storage is connected to the fuel processor by the pipeline and provides fuel for the fuel processor. The outlet of fuel processor is connected via the multiflow heat exchanger to the fuel cell anode, and provides reactant for the fuel cell.
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公开(公告)号：US11999688B2
公开(公告)日：2024-06-04
申请号：US17253779
申请日：2018-06-28
发明人： Shengjun Huang , Dazhi Zhang
IPC分类号： C07C51/31 , B01J21/08 , B01J23/22 , B01J27/125 , B01J27/188 , B01J27/19 , B01J27/25 , B01J29/08 , B01J29/40 , B01J31/08 , C07C67/04 , C07C67/347
CPC分类号： C07C51/316 , B01J21/08 , B01J23/22 , B01J27/125 , B01J27/188 , B01J27/19 , B01J27/25 , B01J29/084 , B01J29/40 , B01J31/08 , C07C51/31 , C07C67/04 , C07C67/347
摘要： A method for producing dicarboxylic acid. The method includes: subjecting a raw material system including a cyclic olefin and a lower monocarboxylic acid to an addition reaction in the presence of an addition reaction catalyst to generate an intermediate product system including cyclic carboxylic acid ester; and subjecting the intermediate product system including cyclic carboxylic acid ester to a ring-opening and oxidation reaction in the presence of an oxidant and an oxidation catalyst to generate a corresponding dicarboxylic acid product. The addition reaction in the dicarboxylic acid synthesis route achieves a high single-pass conversion rate, and the selectivity of the corresponding cyclic carboxylic acid ester is high. The addition-oxidation synthesis route achieves faster reaction rates for both the addition reaction and oxidation reaction, and high yield of corresponding dicarboxylic acid product. The addition-oxidation based synthesis route is suitable for continuous, stable and large-scale production of corresponding dicarboxylic acid product.
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公开(公告)号：US11833502B2
公开(公告)日：2023-12-05
申请号：US17784649
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
CPC分类号： B01J8/1809 , B01J8/005 , B01J8/1863 , B01J8/228 , B01J8/26 , C07C1/22 , C10G3/60 , B01J2208/0084 , B01J2208/00707 , B01J2208/00761 , B01J2208/00938 , B01J2208/00991 , C07C2529/85 , C10G2300/4075
摘要： A coke control reactor, and a device and method for preparing low-carbon olefins from an oxygen-containing compound are provided. The coke control reactor includes a coke control reactor shell, a reaction zone I, and a coke controlled catalyst settling zone; a cross-sectional area at any position of the reaction zone I is less than that of the coke controlled catalyst settling zone; n baffles are arranged in a vertical direction in the reaction zone I; the n baffles divide the reaction zone I into m reaction zone I subzones; and a catalyst circulation hole is formed in each of the baffles, such that a catalyst flows in the reaction zone I in a preset manner. A catalyst charge in the present coke control reactor can be automatically adjusted, and an average residence time of a catalyst in the coke control reactor can be controlled by changing process operating conditions.
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公开(公告)号：US20230338935A1
公开(公告)日：2023-10-26
申请号：US18025660
申请日：2020-09-11
发明人： Jiacheng XING , Liping YANG , Danhua YUAN , Yunpeng XU , Zhongmin LIU
CPC分类号： B01J31/1691 , B01J35/1019 , B01J35/1023 , B01J35/1028 , B01J35/026 , B01J35/1057 , B01J37/04 , B01J37/031 , C07D301/19 , C07F7/28 , B01J2531/46 , B01J2531/004 , B01J2231/72
摘要： A metal-organic framework (MOF) MIL-125 and a preparation method and a use thereof are provided. The MOF MIL-125 is a round cake-like crystal and has an external specific surface area (SSA) of 160 m2/g to 220 m2/g. The MOF MIL-125 provided in the present application has a large number of microporous structures, a large external SSA, and a high catalytic activity in oxidation.
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公开(公告)号：US20230220991A1
公开(公告)日：2023-07-13
申请号：US18000720
申请日：2021-11-29
发明人： Weizhen LI , Jingcai ZHANG , Tao ZHANG
摘要： A burner contains a burner component. The burner component includes a main frame and at least one stable burning isolation strip. An interior of the main frame is divided into at least two ventilation areas by the stable burning isolation strip in a gas channel direction. Several separation mechanisms are arranged in each ventilation area and divide the ventilation area into several through holes distributed in the gas channel direction. The through holes are used for a mixed gas of fuel gas and air to pass through and enhancing a mixing effect of the fuel gas and the air. The flame of a burning surface of the main frame can be divided into independent flames by the stable burning isolation strip so that the burning is more stable and fewer pollutants are emitted.
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公开(公告)号：US20230085715A1
公开(公告)日：2023-03-23
申请号：US17801811
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
摘要： A coke control reactor, a device for preparing low-carbon olefins from an oxygen-containing compound, and a use thereof are provided. The coke control reactor includes a riser reactor and a bed reactor; the bed reactor includes a bed reactor shell, and the bed reactor shell encloses a reaction zone I, a transition zone, and a gas-solid separation zone I from bottom to top; a bed reactor distributor is arranged in the reaction zone I; a coke controlled catalyst delivery pipe is arranged outside the reaction zone I; an upper section of the riser reactor penetrates through a bottom of the bed reactor and is axially inserted in the bed reactor; and an outlet end of the riser reactor is located in the transition zone. The coke control reactor can control the conversion and generation of coke species in a catalyst.
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公开(公告)号：US20230002682A1
公开(公告)日：2023-01-05
申请号：US17784647
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, a device, and a method for producing low-carbon olefins from oxygen-containing compound are provided. The fluidized bed reactor includes a reactor shell, a reaction zone, a coke control zone and a delivery pipe, where there are n baffles arranged in the coke control zone, and the n baffles divide the coke control zone into n sub-coke control zones which include a first sub-coke control zone, a second sub-coke control zone, and an nth sub-coke control zone; at least one catalyst circulation hole is provided on each of the n-1 baffles, so that the catalyst flows in an annular shape in the coke control zone, where n is an integer. The device and method can be adapted to a new generation of DMTO catalyst, and the unit consumption of production ranges from 2.50 to 2.58 tons of methanol/ton of low-carbon olefins.
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公开(公告)号：US20230001370A1
公开(公告)日：2023-01-05
申请号：US17784649
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
摘要： A coke control reactor, and a device and method for preparing low-carbon olefins from an oxygen-containing compound are provided. The coke control reactor includes a coke control reactor shell, a reaction zone I, and a coke controlled catalyst settling zone; a cross-sectional area at any position of the reaction zone I is less than that of the coke controlled catalyst settling zone; n baffles are arranged in a vertical direction in the reaction zone I; the n baffles divide the reaction zone I into m reaction zone I subzones; and a catalyst circulation hole is formed in each of the baffles, such that a catalyst flows in the reaction zone I in a preset manner. A catalyst charge in the present coke control reactor can be automatically adjusted, and an average residence time of a catalyst in the coke control reactor can be controlled by changing process operating conditions.
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10.发明授权公开(公告)号：US11504703B2
公开(公告)日：2022-11-22
申请号：US16767268
申请日：2017-12-05
发明人： Mao Ye , Jibin Zhou , Tao Zhang , Jinling Zhang , Yinfeng Zhao , Xiangao Wang , Jinming Jia , Hailong Tang , Zhongmin Liu
摘要： The present application discloses a method for partially regenerating a methanol to olefin catalyst, comprising: placing a deactivated methanol to olefin catalyst in a regenerator to carry out a partial regeneration reaction to obtain a regenerated catalyst; at least a portion of the regenerated catalyst has a coke amount of more than 1%. The present application discloses a methanol to olefin process, the methanol to olefin reaction is carried out in a fluidized bed with the use of a methanol to olefin catalyst, wherein at least a portion of the regenerated catalyst has a coke amount of more than 1%.
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