Patents Assigned to Shanghai Research Institute of Petrochemical Technology Sinopec
  • Patent number: 12129216
    Abstract: The invention relates to a process of converting methanol in a fluidized bed reactor comprising feeding a methanol-containing feedstock into a fluidized bed reactor, contacting the feedstock with a catalyst, to produce a product comprising ethylene and propylene under effective conditions; the fluidized bed reactor comprises a diluent-phase zone and a dense-phase zone, wherein the diluent-phase temperature difference between any regions of the diluent-phase zone having a methanol concentration of more than 0.1 wt % (preferably more than 0.01 wt %) in the fluidized bed reactor is controlled to be less than 20° C., and the dense-phase temperature difference between any regions in the dense-phase zone having a methanol concentration of more than 0.1 wt % (preferably more than 0.01 wt %) in the fluidized bed reactor is controlled to be less than 10° C.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: October 29, 2024
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Guozhen Qi, Jing Cao, Xiaohong Li, Hongtao Wang, Li Wang, Yanxue Wang
  • Patent number: 12116331
    Abstract: A gas replacement process and a gas replacement apparatus are employed, in the nitro compound hydrogenation reaction process. The gas replacement process at least includes a first step of subjecting a stream to be replaced to the gas replacement in presence of a first replacement gas, and then a second step of subjecting to the gas replacement in presence of the second replacement gas. Assuming the superficial velocity of the first replacement gas is V1, and the superficial velocity of the second replacement gas is V2, then V2/V1?1.5.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: October 15, 2024
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Siqing Zhong, Jun Xu, Le Zhao, Lianghua Wu
  • Patent number: 12098114
    Abstract: A fluidized apparatus contains a double-trapezoid structural member. These fluidized apparatuses are used in the nitro compound hydrogenation reaction process. The fluidized apparatus includes a shell, a gas distributor, and an inner chamber defined by an inner wall of said shell and an upper surface of said gas distributor, in the middle region of said inner chamber is disposed a perforated plate, the perforated plate comprise an outer edge region and a center region, assuming the opening rate of the outer edge region is A1 (the unit is %), assuming the opening rate of the center region is A2 (the unit is %), then A1/A2=0-0.95.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: September 24, 2024
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Jun Xu, Siqing Zhong, Le Zhao, Lianghua Wu
  • Patent number: 12037541
    Abstract: An anionic-cationic-nonionic surfactant represented by the formula (I) exhibits significantly improved interfacial activity and stability as compared with the prior art. With the present anionic-cationic-nonionic surfactant, a flooding fluid composition for tertiary oil recovery with improved oil displacement efficiency and oil washing capability as compared with the prior art could be produced.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: July 16, 2024
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Yingcheng Li, Songyuan Gu, Weidong Zhang, Xinning Bao, Ou Sha, Zhiqin Shen, Yiqing Yang, Xiaodong Zhai
  • Patent number: 11952283
    Abstract: A silicon-and germanium-based molecular sieve has a framework chemical composition as represented by the formula “SiO2.1/nGeO2”. The silicon/germanium molar ratio is 0.1n30. The molecular sieve has a unique X-ray diffraction pattern. It can be used in adsorptive separation, ion exchange, and catalytic conversion of organic compounds.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: April 9, 2024
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY SINOPEC
    Inventors: Weimin Yang, Wenhua Fu, Zhiqing Yuan, Zhendong Wang, Jiawei Teng, Weichuan Tao, Shengli Zhao
  • Patent number: 11920083
    Abstract: This invention relates to a surfactant composition, production and use thereof in tertiary oil recovery. The present surfactant composition comprises a cationic surfactant and an anionic-nonionic surfactant, and exhibits significantly improved interfacial activity and stability as compared with the prior art. With the present surfactant composition, a flooding fluid composition for tertiary oil recovery with improved oil displacement efficiency and oil washing capability as compared with the prior art could be produced.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: March 5, 2024
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Yingcheng Li, Songyuan Gu, Weidong Zhang, Xinning Bao, Zhiqin Shen, Hengzhi Tang, Xiaodong Zhai
  • Patent number: 11819834
    Abstract: An aluminophosphate molecular sieve SCM-18 has a schematic chemical composition, expressed on a molar basis, of Al2O3.n P2O5, in which n represents a phosphorus to aluminum molar ratio, and is in a range of about 0.8-1.2. The aluminophosphate molecular sieve has a unique X-ray diffraction pattern, and can be used as an adsorbent, a catalyst or a catalyst carrier.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: November 21, 2023
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Weimin Yang, Zhiqing Yuan, Jiawei Teng, Wenhua Fu, Songlin Liu
  • Patent number: 11806696
    Abstract: A novel silicoaluminophosphate molecular sieve has a schematic chemical composition, expressed on a molar basis, of mSiO2·Al2O3·nP2O5, in which m represents the molar ratio of SiO2 to Al2O3 and is in a range of about 0.005-0.15, and n represents the molar ratio of P2O5 to Al2O3 and is in a range of about 0.7-1.1. The silicoaluminophosphate molecular sieve has a unique X-ray diffraction pattern, and can be used as an adsorbent, a catalyst or a catalyst carrier.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: November 7, 2023
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY SINOPEC
    Inventors: Weimin Yang, Zhiqing Yuan, Jiawei Teng, Wenhua Fu, Songlin Liu
  • Patent number: 11773072
    Abstract: A method for producing an epoxyalkane includes the step of separating a stream containing an epoxyalkane and an extracting agent in a separation column having a column kettle reboiler. A part of a stream in the column kettle of the separation column enters an extracting agent purifier and is treated to obtain a gas phase light fraction that returns to the separation column and a liquid phase heavy fraction that is subjected to a post-treatment. The method can be used in the industrial production of an epoxyalkane.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: October 3, 2023
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY SINOPEC
    Inventors: Song Hu, Shuai Hu, Weisheng Yang
  • Patent number: 11739001
    Abstract: The invention relates to a molecular sieve composition, a process of preparing same and use thereof in the production of lower olefins. The molecular sieve composition comprises an aluminophosphate molecular sieve and a CO adsorbing component, both of which are present independently of each other. When the molecular sieve composition is used as a catalyst for producing lower olefins using synthesis gas as a raw material, the molecular sieve composition has the advantages of high selectivity to lower olefins and the like.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: August 29, 2023
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY SINOPEC
    Inventors: Yangdong Wang, Haibo Zhou, Weimin Yang, Su Liu, Chang Liu, Yu Zhao, Hongxing Liu, Xian Lu
  • Publication number: 20230242806
    Abstract: A process for the conversion of methanol to olefins includes the steps of passing a feedstock comprising methanol to a fluidized bed reactor in contact with a catalyst to produce an olefin product, wherein the process at least partially deactivates the catalyst to form an at least partially deactivated catalyst; and passing spent catalyst from said at least partially deactivated catalyst to a regenerator for regeneration thereby forming regenerated catalyst and returning activated catalyst from said regenerated catalyst to said reactor via a regenerated catalyst line. An oxygen volume content in the gas-phase component at the outlet of the regenerated catalyst pipeline is controlled to be less than 0.1 percent, preferably less than 0.05% and more preferably less than 0.01% on the regenerated catalyst pipeline.
    Type: Application
    Filed: July 2, 2021
    Publication date: August 3, 2023
    Applicant: SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Yingcheng LI, Xinning BAO, Weidong ZHANG, Ou SHA, Xinyue WU, Jun JIN
  • Publication number: 20230139652
    Abstract: The invention relates to a method for regulating the gas velocity of the empty bed in a fluidized bed, wherein solid catalysts are used as fluidized particles or as a part of fluidized particles, characterized in that the gas velocity of the empty bed ? of the reaction zone of the fluidized bed is measured, compared with the bed average catalyst density ? of the solid catalysts in the reaction zone of the fluidized bed, the gas velocity of the empty bed ? being adjusted as required such that the gas velocity of the empty bed ? and the bed average catalyst density ? satisfy the formula (I) below: ?=0.356?3?4.319?2?35.57?+M; wherein M=250?; where ? is provided in m/s and ? is provided in kg/m3. The method can be used for the industrial production of lower olefin.
    Type: Application
    Filed: September 16, 2020
    Publication date: May 4, 2023
    Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Hongyuan ZONG, Guozhen QI, Jing CAO, Xiaohong LI, Zhinan YU, Li WANG
  • Publication number: 20230137544
    Abstract: The present invention relates to a process of converting methanol to olefins, comprising: feeding a feedstock comprising methanol to a fluidized bed reactor to contact with catalysts to produce an olefin product, wherein the process at least partially deactivates the catalysts to format least partially deactivated catalysts; feeding spent catalysts from the at least partially deactivated catalysts to a regenerator for regeneration, thereby forming regenerated catalysts, and returning the activated catalysts from the regenerated catalysts to the reactor via a regenerated catalyst line; characterized in that on the regenerated catalyst line, the oxygen content by volume in the gas phase component at the outlet of the regenerated catalyst line is controlled to be less than 0.1%, preferably less than 0.05%, and more preferably less than 0.01%.
    Type: Application
    Filed: March 12, 2021
    Publication date: May 4, 2023
    Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Hongyuan ZONG, Guozhen QI, Jing CAO, Hongtao WANG, Zhinan YU, Yijun ZHENG
  • Publication number: 20230118436
    Abstract: A process for producing lower olefins from oxygenates includes the steps of contacting a feedstock comprising oxygenates with molecular sieve catalyst in fluidized bed reaction zone under effective conditions, to produce product including ethylene and/or propylene; the effective conditions include that in the fluidized bed reaction zone, the weights of catalysts having various carbon deposition amounts are controlled, calculated as the weight of the molecular sieve in the catalysts, to have the following proportions based on the total weight of the catalysts in the fluidized bed reaction zone: the proportion of the weight of the catalyst having a coke deposition amount of less than 3 wt % is 1-20 wt %; the catalyst having a coke deposition amount of from 3 wt % to less than 5 wt % represents 10 to 70 wt %; the catalyst having a coke deposition amount from 5 wt % to 10 wt % represents 10 to 88 wt %.
    Type: Application
    Filed: March 11, 2021
    Publication date: April 20, 2023
    Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Guozhen QI, Jing CAO, Xiaohong LI, Hongtao WANG, Yongming JIN, Pan GAO
  • Publication number: 20230118300
    Abstract: The invention relates to a process of converting methanol in a fluidized bed reactor comprising feeding a methanol-containing feedstock into a fluidized bed reactor, contacting the feedstock with a catalyst, to produce a product comprising ethylene and propylene under effective conditions; the fluidized bed reactor comprises a diluent-phase zone and a dense-phase zone, wherein the diluent-phase temperature difference between any regions of the diluent-phase zone having a methanol concentration of more than 0.1 wt % (preferably more than 0.01 wt %) in the fluidized bed reactor is controlled to be less than 20° C., and the dense-phase temperature difference between any regions in the dense-phase zone having a methanol concentration of more than 0.1 wt % (preferably more than 0.01 wt %) in the fluidized bed reactor is controlled to be less than 10° C.
    Type: Application
    Filed: March 12, 2021
    Publication date: April 20, 2023
    Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Guozhen QI, Jing CAO, Xiaohong LI, Hongtao WANG, Li WANG, Yanxue WANG
  • Patent number: 11591303
    Abstract: A method for producing epoxyalkane includes the step of separating, in a separation column, a stream containing epoxyalkane, extractant, and diol. The separation column operates under conditions so as to enable the extractant and the diol to form an azeotrope, and a stream containing extractant and binary azeotrope is extracted from the side-draw of the separation column to liquid-liquid separation. The method can be used for the industrial production of epoxyalkane.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: February 28, 2023
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY SINOPEC
    Inventors: Song Hu, Shuai Hu, Weisheng Yang
  • Patent number: 11578253
    Abstract: This invention relates to a surfactant composition, production and use thereof in tertiary oil recovery. The present surfactant composition comprises a cationic surfactant and an anionic-nonionic surfactant, and exhibits significantly improved interfacial activity and stability as compared with the prior art. With the present surfactant composition, a flooding fluid composition for tertiary oil recovery with improved oil displacement efficiency and oil washing capability as compared with the prior art could be produced.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: February 14, 2023
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Yingcheng Li, Songyuan Gu, Weidong Zhang, Xinning Bao, Zhiqin Shen, Hengzhi Tang, Xiaodong Zhai
  • Patent number: 11571673
    Abstract: A fluid distributor includes one or more fluid transport main pipe. The fluid transport main pipe is configured to assume a closed shape when its centerlines and/or centerline extensions are joined end-to-end. Each of the fluid transport main pipe has at least one fluid inlet and is connected with a plurality of fluid transport branch pipes. Each of the fluid transport branch pipes has a plurality of open pores disposed along the length of the fluid transport branch pipe and a connection portion. The connection portion is configured to connect the fluid transport branch pipe to the housing after the fluid transport branch pipe passes through the housing of the vessel into the inner cavity.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: February 7, 2023
    Assignees: China Petroleum & Chemical Corporation, Shanghai Research Institute of Petrochemical Technology SINOPEC
    Inventors: Le Zhao, Lianghua Wu
  • Publication number: 20220363975
    Abstract: The present invention relates to a biological and chemical composite blockage removing agent and preparation process and use thereof, and mainly solves the problems that the existing blockage removing agents have poor blockage removal effect on organic blockages, cause damage to formations and oil-wells, produce serious environmental pollution, and corrode the equipment, pipelines, and the like. The problems can be well solved by using a technical solution of a biological and chemical composite blockage removing agent, which contains the following components in parts by mass: A. 10-50 parts of a biosurfactant; B. 5-20 parts of a chemical surfactant; wherein the chemical surfactant is an anionic-nonionic surfactant, and said technical solution can be used in the industrial production for removing the blockage in the oilfield, and reducing the injection pressure and increasing the injection.
    Type: Application
    Filed: October 23, 2020
    Publication date: November 17, 2022
    Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Yong MENG, Yingcheng LI, Weidong ZHANG, Ou SHA, Xinning BAO, Jun JIN, Xinyue WU
  • Publication number: 20220355285
    Abstract: The present invention provides a catalyst for an addition reaction of alkylene oxide, the catalyst comprises a nanocomposite ion-exchange resin having a structural formula of P-Im+-M?, wherein P is a nanocomposite resin matrix, Im+ is a cation derived from 5-6 membered heterocycle containing at least one nitrogen atom such as imidazolium cation, pyrazolium cation, pyrrolidinium cation, piperidinium cation, piperazinium cation, pyrimidinium cation, pyrazinium cation, pyridazinium cation, triazinium cation, and M? is an anion. The catalyst of the present invention can be used in the addition reaction of alkylene oxide and carbon dioxide. The catalyst has high wear resistance, high swelling resistance, and high activity. The products after the reaction are easy to separate, and the catalyst can be used continuously many times.
    Type: Application
    Filed: September 24, 2020
    Publication date: November 10, 2022
    Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Fengping YU, Wenjun HE, Ming JIN