Patents Assigned to Dalian Institute of Chemical Physics, Chinese Academy of Sciences
  • Patent number: 11225443
    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.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: January 18, 2022
    Assignee: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Youming Ni, Wenliang Zhu, Zhongmin Liu, Yong Liu, Zhiyang Chen, Hongchao Liu, Xiangang Ma, Shiping Liu
  • Publication number: 20220008902
    Abstract: The present application discloses a method for preparing a hierarchical porous TS-1 molecular sieve, which uses a silicon-titanium ester polymer as both titanium source and silicon source. In the method, silicon and titanium are uniformly connected to a same polymer, and the hydrolysis rates thereof are equivalent during hydrolysis, which can prevent TiO2 precipitation and reduce the generation of non-framework titanium. Further, the silicon-titanium ester polymer is not only used as both silicon source and titanium source, but also can be used as mesoporous template in the synthesis process. The obtained TS-1 molecular sieve has mesoporous structure with narrow pore size distribution, which plays an important role in promoting the application of TS-1 molecular sieve in the field of catalysis.
    Type: Application
    Filed: November 15, 2018
    Publication date: January 13, 2022
    Applicant: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Danhua YUAN, Jiacheng XING, Yunpeng XU, Zhongmin LIU
  • Publication number: 20220002481
    Abstract: The present application discloses a method for preparing polyester polyol comprising performing transesterification of raw materials containing inorganic oxyacid ester and polyhydric alcohol to obtain the polyester polyol. The polyester polyol obtained by the method described in the present application has higher heat resistance.
    Type: Application
    Filed: November 15, 2018
    Publication date: January 6, 2022
    Applicant: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Danhua YUAN, Jiacheng XING, Yunpeng XU, Zhongmin LIU
  • Publication number: 20220002496
    Abstract: This application discloses a polymer ultraviolet absorbent and preparation method and application thereof. The synthesis process of the polymer ultraviolet absorbent does not require additional organic solvents, and the reaction by-product is high-purity ethanol, which is relatively economical. green, efficient and environmentally friendly. The polymer ultraviolet absorbent has good water solubility, is convenient to use, safe and non-toxic, and has excellent ultraviolet absorption effect.
    Type: Application
    Filed: November 15, 2018
    Publication date: January 6, 2022
    Applicant: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Jiacheng XING, Danhua YUAN, Yunpeng XU, Zhongmin LIU
  • Publication number: 20210403332
    Abstract: The present application discloses a method for preparing a hierarchical porous TS-1 molecular sieve comprising using a silicon-titanium ester polymer as both titanium source and silicon source. In the method, silicon and titanium are uniformly connected to a same polymer, and the hydrolysis rates thereof are equivalent during hydrolysis, which can prevent TiO2 precipitation and reduce the generation of non-framework titanium. Further, the silicon-titanium ester polymer is not only used as both silicon source and titanium source, but also can be used as a mesoporous template in the synthesis process. The obtained TS-1 molecular sieve has mesoporous structure with narrow pore size distribution.
    Type: Application
    Filed: November 15, 2018
    Publication date: December 30, 2021
    Applicant: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Danhua YUAN, Jiacheng XING, Yunpeng XU, Zhongmin LIU
  • Publication number: 20210403333
    Abstract: The present application discloses a method for preparing hierarchical porous titanium-silicon TS-1 molecular sieve, wherein a titanate polyester polyol is used as titanium source. In the method, titanium is connected to a polymer, which makes titanium more difficult to hydrolyze, prevent the TiO2 precipitation and reduce the formation of non-framework titanium. In addition that such new type of the titanate polyester polyol acts as the titanium source during the synthesis process, the titanate polyester polyol can also be used as mesoporous template. Therefore, the TS-1 molecular sieve obtained by this method has mesoporous structure, which plays an important role in promoting the application of TS-1 molecular sieve in the field of catalysis.
    Type: Application
    Filed: November 15, 2018
    Publication date: December 30, 2021
    Applicant: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Danhua YUAN, Jiacheng XING, Yunpeng XU, Zhongmin LIU
  • Patent number: 11179714
    Abstract: Disclosed is an in-situ preparation method for a catalyst for Reaction I: methanol and/or dimethyl ether with toluene are used to prepare light olefins and co-produce para-xylene and/or Reaction II: methanol and/or dimethyl ether with benzene are used to prepare at least one of toluene, para-xylene and light olefins, comprising: contacting at least one of a phosphorus reagent, a silylation reagent and water vapor with a molecular sieve in a reactor to prepare, in situ, the catalyst for the Reaction I and/or the Reaction II, wherein the reactor is a reactor of the Reaction I and/or the Reaction II. By directly preparing a catalyst in a reaction system, the entire chemical production process is simplified, the catalyst preparation and transfer steps are saved, and the operation thereof is easy. The catalyst prepared in situ can be directly used for in situ reactions.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: November 23, 2021
    Assignee: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Zhongmin Liu, Zhengxi Yu, Shukui Zhu, Yue Yang
  • Patent number: 11180431
    Abstract: A turbulent fluidized bed reactor, device and method for preparing para-xylene and co-producing light olefins from methanol and/or dimethyl ether and toluene, resolving or improving the competition problem between an MTO reaction and an alkylation reaction during the process of producing para-xylene and co-producing light olefins from methanol and/or dimethyl ether and toluene, and achieving a synergistic effect between the MTO reaction and the alkylation reaction. By controlling the mass transfer and reaction, competition between the MTO reaction and the alkylation reaction is coordinated and optimized to facilitate a synergistic effect of the two reactions, so that the conversion rate of toluene, the yield of para-xylene, and the selectivity of light olefins are increased. The turbulent fluidized bed reactor includes a first reactor feed distributor and a number of second reactor feed distributors and are arranged sequentially along the gas flow direction.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: November 23, 2021
    Assignee: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Mao Ye, Tao Zhang, Zhongmin Liu, Jinling Zhang, Hailong Tang, Jinming Jia, Changqing He, Xiangao Wang, Cheng Zhang, Hua Li, Yinfeng Zhao, Chenggong Li
  • Patent number: 11161085
    Abstract: A turbulent fluidized bed reactor, device and method for preparing para-xylene and co-producing light olefins from methanol and/or dimethyl ether and benzene, resolving or improving the competition problem between an MTO reaction and an alkylation reaction during the process of producing para-xylene and co-producing light olefins from methanol and/or dimethyl ether and benzene, and achieving a synergistic effect between the MTO reaction and the alkylation reaction. By controlling the mass transfer and reaction, competition between the MTO reaction and the alkylation reaction is coordinated and optimized to facilitate a synergistic effect of the two reactions, so that the conversion rate of benzene, the yield of para-xylene, and the selectivity of light olefins are increased.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: November 2, 2021
    Assignee: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Tao Zhang, Mao Ye, Zhongmin Liu, Jinling Zhang, Hailong Tang, Jinming Jia, Changqing He, Xiangao Wang, Cheng Zhang, Hua Li, Yinfeng Zhao, Chenggong Li
  • Patent number: 11162915
    Abstract: A built-in electrode electrical capacitance tomography sensor, characterized in that the electrical capacitance tomography sensor is a barrel sensor, and sequentially comprises, from inside to outside, an array distribution electrode (1), an electrode insulating sleeve (2), a flange outer tube (3), an insulating tube (4) and a signal transmission line. The array distribution electrode (1) includes N electrode sheets of the same size and consists of measurement ends and fixed ends, N being an integer of 8-16. The electrode is connected to an electrical capacitance tomography signal acquisition system (13) by means of a transmission line, and the acquired electrical capacitance data is sent to the electrical capacitance tomography signal acquisition system (13) by means of a signal transmission line, and is then sent to an imaging computer by means of the electrical capacitance tomography signal acquisition system (13) so as to complete image reconstruction.
    Type: Grant
    Filed: April 28, 2019
    Date of Patent: November 2, 2021
    Assignee: Dalian Institute of Chemical Physics, Chinese Academy of Sciences
    Inventors: Shuanghe Meng, Mao Ye, Kai Huang, Qiang Guo, Jingjing Shen, Tao Zhang, Zhongmin Liu
  • Patent number: 11111200
    Abstract: The present invention provides a method for preparing acrylic acid and methyl acrylate. The method comprises passing the feed gas containing dimethoxymethane and carbon monoxide through a solid acid catalyst to generate acrylic acid and methyl acrylate with a high conversion rate and selectivity at a reaction temperature in a range from 180 to 400 and a reaction pressure in a range from 0.1 MPa to 15.0 MPa, the mass space velocity of dimethoxymethane in the feed gas is in a range from 0.05 h?1 to 10.0 h?1, and the volume percentage of dimethoxymethane in the feed gas is in a range from 0.1% to 95%.
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: September 7, 2021
    Assignee: Dalian Institute of Chemical Physics, Chinese Academy of Sciences
    Inventors: Lei Shi, Zongmin Liu, Youming In, Wenliang Zhu, Yong Liu, Hongchao Liu
  • Patent number: 11105009
    Abstract: The present invention relates to a graphene material inlaid with single metal atoms, the preparation method thereof and its application of being used as the catalyst for the electroreduction of carbon dioxide. The graphene material inlaid with single metal atoms comprises single metal atoms and graphene; the single metal atoms are dispersed in the framework of the graphene; and the graphene is at least one selected from N doped graphene and N and S co-doped graphene. The material is used for the electrochemical reduction reaction of carbon dioxide, which significantly improves the utilization efficiency of the metal atoms and enhances the catalytic activity for the electroreduction of carbon dioxide, improves the catalytic stability, inhibits effectively the hydrogen evolution reaction, improves the selectivity for CO product, and broadens the electric potential window of reducing carbon dioxide to generate CO.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: August 31, 2021
    Assignee: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Bin Liu, Hongbin Yang, Yanqiang Huang, Song Liu, Tao Zhang
  • Patent number: 11097253
    Abstract: Direct conversion of syngas produces liquid fuels and light olefins. The catalytic reaction is conducted on a fixed bed or a moving bed. The catalyst comprises A and B components. The component A is composed of active metal oxides, and the active ingredients of the component B are zeolites with a MEL structure. The distance between the geometric centers of catalyst A and catalyst B particles is 2 nm-10 mm; a weight ratio of the catalyst A to the catalyst B is 0.1-20. The pressure of the syngas is 0.1-10 MPa; reaction temperature is 300-600° C.; and space velocity is 300-10000 h?1. The reaction mainly produces gasoline with high octane number, and co-generates light olefins. Meanwhile, the selectivity for a methane byproduct is low (less than 10%).
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: August 24, 2021
    Assignee: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Xinhe Bao, Feng Jiao, Xiulian Pan
  • Publication number: 20210252489
    Abstract: A method for preparing a supported carbon catalyst, the method includes at least the following steps: contacting a gas containing an organic silicon source with a silicon oxide-based material to obtain a precursor; contacting the precursor with a gas containing an organic carbon source to obtain the supported carbon catalyst. The temperature and energy consumption of the chemical vapor deposition of heteroatom-containing carbon material on silica-based materials can be greatly reduced in this method, and the cost of the catalyst can be effectively reduced.
    Type: Application
    Filed: April 30, 2019
    Publication date: August 19, 2021
    Applicants: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES, FORMOSA PLASTICS CORPORATION
    Inventors: Jinming XU, Sisi FAN, Yanqiang HUANG, Tao ZHANG, Chin Lien HUANG, Wan Tun HUNG, Yu Cheng CHEN, Chien Hui WU, Ya Wen CHENG, Ming Hsien WEN, Chao Chin CHANG, Tsao Cheng HUANG
  • Publication number: 20210246093
    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.
    Type: Application
    Filed: August 1, 2018
    Publication date: August 12, 2021
    Applicant: Dalian Institute of Chemical Physics, Chinese Academy of Sciences
    Inventors: Youming NI, Wenliang ZHU, Zhongmin LIU, Yong LIU, Hongchao LIU, Xiangang MA, Shiping LIU
  • Patent number: 11084026
    Abstract: A process for direct synthesis of light olefins uses syngas as the feed raw material. This catalytic conversion process is conducted in a fixed bed or a moving bed using a composite catalyst containing components A and B (A+B). The active ingredient of catalyst A is metal oxide; and catalyst B is an oxide supported zeolite. A carrier is one or more of Al2O3, SiO2, TiO2, ZrO2, CeO2, MgO and Ga2O3 having hierarchical pores; the zeolite is one or more of CHA and AEI structures. The loading of the zeolite is 4%-45% wt. A weight ratio of the active ingredients in the catalyst A and the catalyst B is within a range of 0.1-20, and preferably 0.3-5. The total selectivity of the light olefins comprising ethylene, propylene and butylene can reach 50-90%, while the selectivity of a methane byproduct is less than 15%.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: August 10, 2021
    Assignee: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Xiulian Pan, Feng Jiao, Xinhe Bao
  • Patent number: 11084765
    Abstract: A fast fluidized bed reactor, device and method for preparing para-xylene and co-producing light olefins from methanol and/or dimethyl ether and benzene, resolving or improving the competition problem between an MTO reaction and an alkylation reaction during the process of producing para-xylene and co-producing light olefins from methanol and/or dimethyl ether and benzene, and achieving a synergistic effect between the MTO reaction and the alkylation reaction. By controlling the mass transfer and reaction, competition between the MTO reaction and the alkylation reaction is coordinated and optimized to facilitate a synergistic effect of the two reactions, so that the conversion rate of benzene, the yield of para-xylene, and the selectivity of light olefins are increased.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: August 10, 2021
    Assignee: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Mao Ye, Tao Zhang, Zhongmin Liu, Jinling Zhang, Hailong Tang, Jinming Jia, Changqing He, Xiangao Wang, Cheng Zhang, Hua Li, Yinfeng Zhao, Chenggong Li
  • Publication number: 20210239642
    Abstract: A built-in electrode electrical capacitance tomography sensor, characterized in that the electrical capacitance tomography sensor is a barrel sensor, and sequentially comprises, from inside to outside, an array distribution electrode (1), an electrode insulating sleeve (2), a flange outer tube (3), an insulating tube (4) and a signal transmission line. The array distribution electrode (1) includes N electrode sheets of the same size and consists of measurement ends and fixed ends, N being an integer of 8-16. The electrode is connected to an electrical capacitance tomography signal acquisition system (13) by means of a transmission line, and the acquired electrical capacitance data is sent to the electrical capacitance tomography signal acquisition system (13) by means of a signal transmission line, and is then sent to an imaging computer by means of the electrical capacitance tomography signal acquisition system (13) so as to complete image reconstruction.
    Type: Application
    Filed: April 28, 2019
    Publication date: August 5, 2021
    Applicant: Dalian Institute of Chemical Physics, Chinese Academy of Sciences
    Inventors: Shuanghe MENG, Mao YE, kai HUANG, Qiang GUO, Jingjing SHEN, Tao ZHANG, Zhongmin LIU
  • Patent number: 11072571
    Abstract: A fluidized bed reactor for producing para-xylene and co-producing light olefins from benzene and methanol and/or dimethyl ether, including a first distributor and a second distributor. The first distributor is located at the bottom of the fluidized bed, and the second distributor is located at the downstream of the first distributor along a gas flow direction. Also, a method for producing para-xylene and co-producing light olefins, including the following steps: a material stream A enters a reaction zone of the fluidized bed reactor from the first gas distributor; a material stream B enters the reaction zone of the fluidized bed reactor from the second gas distributor; a reactant contacts a catalyst in the reaction zone to generate a gas phase stream comprising para-xylene and light olefins.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: July 27, 2021
    Assignee: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Mao Ye, Tao Zhang, Jinling Zhang, Zhongmin Liu, Jinming Jia, Hailong Tang, Changqing He, Xiangao Wang, Cheng Zhang, Hua Li, Yinfeng Zhao, Chenggong Li
  • Patent number: 11029316
    Abstract: A multiplex proteome quantification method based on isobaric dimethyl labeling implements dimethyl labeling of peptide N-terminal in an acidic condition and C-terminal in an alkaline condition one after another by means of Hall the property that a dimethylation reaction has different rates on an amino group at the peptide N-terminal and an amino group on a Lysine side chain at the peptide C-terminal in the acidic condition. Multiplex labeling of peptide samples is implemented by means of the organic combination of various isotope forms of a dimethyl labeling reagents. The mass-to-charge ratios in MS1 of peptides after multiplex labeling are completely the same, the mass-to-charge ratios of the fragment ions in MS2 are different, and multiplex quantitative analyses are carried out by extracting the intensity values of corresponding fragment ions in the MS2.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: June 8, 2021
    Assignee: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Lihua Zhang, Jianhui Liu, Yuan Zhou, Kaiguang Yang, Yukui Zhang