Patents Assigned to Shanghai Research Institute of Petrochemical Technology Sinopec
  • Patent number: 10435348
    Abstract: The present invention relates to a process for producing aromatics, a process for producing p-xylene and terephthalic acid, and a device for producing aromatics. The process for producing aromatics at least comprises a step of producing C8 olefin from a compound having a lactone group and a step of producing aromatics from the C8 olefin. The process for producing aromatics has the characters of high yield of aromatics and high selectivity to xylene.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: October 8, 2019
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Dejin Kong, Junlin Zheng, Qi Song, Xiaolan Qi, Xuan Xu, Xiangdong Jiang, Deqin Yang
  • Patent number: 10400156
    Abstract: This invention relates to an anionic-cationic-nonionic surfactant as substantially represented by the formula (I), production and use thereof in tertiary oil recovery. The anionic-cationic-nonionic surfactant of this invention 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. In the formula (I), each group is as defined in the specification.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: September 3, 2019
    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: 10358606
    Abstract: The present invention relates to a process for producing aromatics, p-xylene and terephthalic acid. The process for producing aromatics comprises a step of contacting an oxygen-containing raw material with an aromatization catalyst, under aromatization reaction conditions, to produce aromatics. The process for producing aromatics has an advantage of high yield of carbon as aromatics.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: July 23, 2019
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Qi Song, Junlin Zheng, Dejin Kong, Xuan Xu, Xiaolan Qi, Xiangdong Jiang, Deqin Yang
  • Patent number: 10343151
    Abstract: The present invention relates to a molecular sieve having the SFE structure, a process for producing same and use thereof. The process includes a step of crystallizing a mixture comprising a first oxide source, a second oxide source, an organic template and water to obtain a molecular sieve having the SFE structure, wherein the organic template is preferably 4-dimethylamino pyridine. As compared with the prior art, the process exhibits such merits as significantly reduced crystallization duration.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: July 9, 2019
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Weimin Yang, Zhendong Wang, Hongmin Sun, Bin Zhang, Yi Luo
  • Patent number: 10213771
    Abstract: The present invention relates to an SCM-11 molecular sieve, a process for producing same and use thereof. The molecular sieve has an empirical chemical composition as illustrated by the formula “the first oxide·the second oxide”, wherein the ratio by molar of the first oxide to the second oxide is more than 2, the first oxide is silica, the second oxide is at least one selected from the group consisting of germanium dioxide, alumina, boron oxide, iron oxide, gallium oxide, titanium oxide, rare earth oxides, indium oxide and vanadium oxide. The molecular sieve has specific XRD pattern, and can be used as an adsorbent or a catalyst for converting an organic compound.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: February 26, 2019
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Weimin Yang, Zhendong Wang, Hongmin Sun, Bin Zhang, Yi Luo
  • Patent number: 10160700
    Abstract: An apparatus for recycling propylene includes a first propylene recovery column, a flash tank, a second propylene recovery column, and a depropanizing column. The apparatus can effectively solve the problem of high power consumption in the prior art, and can be used for the industrial manufacturing of propylene recovery from a propylene oxide apparatus. A process for recycling and refining propylene also is described.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: December 25, 2018
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY SINOPEC
    Inventors: Weisheng Yang, Mujin Li, De Shi, Zhi He
  • Patent number: 10099935
    Abstract: This invention relates to a molecular sieve, especially a SCM-1 molecular sieve or SCM-2 molecular sieve of the MWW family as represented in FIGS. 1 and 2. As compared with a prior art molecular sieve, the molecular sieve according to this invention exhibits improved catalytic performance and good service life and regeneration performance. The molecular sieve can be produced with a simplified procedure, under mild operation conditions, with less energy and material consumption and fewer side reactions, with a high product purity at low cost and a high yield. This invention further relates to a process for producing these molecular sieves and use thereof as an adsorbent or a catalyst.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: October 16, 2018
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Weimin Yang, Zhendong Wang, Hongmin Sun, Bin Zhang, Mingyao Huan, Zhenhao Shen, Mingwei Xue
  • Patent number: 10029966
    Abstract: The present invention relates to a method for preparing dimethyl ether from methanol which is carried out in a reaction device arranged with a plurality of catalyst bed layers connected in series, and comprises: dividing the reactant stream that contains methanol into n substreams, and feeding these different substreams into the reaction device through top feed ports or side feed ports between the catalyst bed layers of the reaction device for methanol-to-dimethyl ether reaction; wherein, the temperature T1 of the substream fed into the first catalyst bed layer is controlled within the following range: 290?50K1?T1?150K12?271K1+397.5; where, 1>K1?0.5, and T1 is in unit of ° C.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: July 24, 2018
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY SINOPEC
    Inventors: Shuai Hu, Xin Jin
  • Patent number: 9895671
    Abstract: A fluidized bed reactor is provided, comprising an inlet zone at a lower position, an outlet zone at an upper position, and a reaction zone between the inlet zone and the outlet zone. A guide plate with through holes is disposed in the reaction zone, comprising a dense channel region in an intermediate region thereof and a sparse channel region disposed on a periphery thereof and encompassing the dense channel region. Catalysts in said fluidized bed reactor can be homogeneously distributed in the reaction zone thereof, whereby the reaction efficiency can be improved. A reaction regeneration apparatus comprising said fluidized bed reactor, and a process for preparing olefins from oxygenates and a process for preparing aromatic hydrocarbons from oxygenates using the reaction regeneration apparatus.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: February 20, 2018
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY SINOPEC
    Inventors: Weimin Yang, Xiaohong Li, Siqing Zhong, Guozhen Qi, Jun Xu, Zhinan Yu
  • Patent number: 9861969
    Abstract: The present invention relate to a binderless molecular sieve catalyst and a process for preparing the same, which are mainly useful for solving the problems of the current catalysts, such as lower activity, less pore volume and worse diffusivity. The present invention relates to a novel binderless molecular sieve catalyst, comprising, based on the weight of the catalyst, 90-100 wt. % of a molecular sieve, 0-10 wt. % of a binder, and 0-10 wt. % of an anti-wear agent, wherein said catalyst has a pore volume of 0.1-0.5 ml/g, an average pore diameter of 50-100 nm, and a porosity of 20-40%; the anti-wear agent is selected from the rod or needle-like inorganic materials having a length/diameter ratio of 2-20. Said catalyst has the advantages of higher activity, greater pore volume, larger average pore diameter and porosity, and better diffusivity, and well solves said problems and can be used for the industrial preparation of binderless molecular sieve catalysts.
    Type: Grant
    Filed: August 23, 2011
    Date of Patent: January 9, 2018
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Guangwei Ma, Huiming Zhang, Jingxian Xiao, Liang Chen, Xiqiang Chen
  • Patent number: 9855539
    Abstract: Device for use in a fluidized bed reactor includes a gas-solid separator communicated with an outlet of the fluidized bed reactor; a vertically arranged damper, a solid outlet of the gas-solid separator communicated with a lower region of the damper, a gas outlet of the gas-solid separator communicated with an upper region of the damper; a fine gas-solid separator, an inlet of the fine gas-solid separator communicated with the upper region of the damper, and a solid outlet of the fine gas-solid separator communicated with the lower region of the damper. Product from the fluidized bed reactor is fed into the preliminary gas-solid separator, most solid catalysts separated and fed into the lower region; the product entraining the rest catalysts is fed into the upper region, and into the fine gas-solid separator, the rest catalysts fed into the lower region; and final product is obtained from the fine gas-solid separator.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: January 2, 2018
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY SINOPEC
    Inventors: Jun Xu, Songyuan Gu, Siqing Zhong, Yongming Jin, Zhinan Yu, Guozhen Qi, Xiaohong Li
  • Patent number: 9828307
    Abstract: A method for producing isopropyl benzene includes the following steps. Step A: feeding a first stream containing benzene and a first stream containing propylene into a first reaction zone to contact a first catalyst for alkylation, and obtaining a first stream containing isopropyl benzene from the first reaction zone, dividing the first stream containing isopropyl benzene into a stream Ia and a stream IIa, the stream Ia circulating back into the first reaction zone and the stream IIa entering into a second reaction zone, having the stream entering the second reaction zone to contact a second catalyst for alkylation, and obtaining a second stream containing isopropyl benzene from the second reaction zone, and purifying at least a partial stream IIIa of the second stream containing isopropyl benzene, and obtaining a product isopropyl benzene.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: November 28, 2017
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY SINOPEC
    Inventors: Huanxin Gao, Hongyuan Zong, Yilun Wei, Hui Yao, Ruifang Gu, Hua Fang, Shufang Ji
  • Patent number: 9802876
    Abstract: This invention relates to an alkylating process for alkyl benzenes, including the steps of: a) an alkyl benzene and a first stream of alkylating agent being fed into a first reaction zone, contacting with a catalyst A, to produce a process stream I; b) the process stream I and a second stream of alkylating agent being fed into at least one second reaction zone, contacting with a catalyst B, to produce a process stream II; and c) the process stream II being fed into at least one third reaction zone, contacting with a catalyst C, to produce a process stream III containing an alkylate. The present alkylating process can improve the utilization efficiency of the alkylating agent.
    Type: Grant
    Filed: July 4, 2013
    Date of Patent: October 31, 2017
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Jian Jiang, Changxi Miao, Dongyu Jiang
  • Patent number: 9783468
    Abstract: A method for producing an aromatic hydrocarbon with an oxygenate as raw material, includes: i) reacting an oxygenate in at least one aromatization reactor to obtain an aromatization reaction product; ii) separating the aromatization reaction product to obtain a gas phase hydrocarbons flow X and a liquid phase hydrocarbons flow Y; iii) after removing gas and/or a part of the oxygenate from the gas phase hydrocarbons flow X, a hydrocarbons flow X1 containing a non-aromatic hydrocarbon is obtained; or after removing gas and/or a part of the oxygenate from the gas phase hydrocarbons flow X, a reaction is conducted in another aromatization reactor and a separation is conducted to obtain a flow X2 containing a non-aromatic hydrocarbon and a flow X3 containing an aromatic hydrocarbon. The flows are further treated.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: October 10, 2017
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Zheming Wang, Weimin Yang, Xiqiang Chen, Jingxian Xiao, Feng Xu
  • Patent number: 9738575
    Abstract: An apparatus for producing ethylene includes: a reactor; a first separation column, connected to the reactor; a second separation column, the upper part of the second separation column being connected to the bottom of the first separation column, and the top of the second separation column being connected to the lower part of the first separation column; a first condenser, an inlet of the first condenser being connected to the top of the first separation column, and an outlet of the first condenser being connected to the upper part of the first separation column; and a third separation column, used for receiving a second part of a first condensate from the condenser and separating the received part. A method for producing ethylene using the aforementioned apparatus is also described.
    Type: Grant
    Filed: May 15, 2013
    Date of Patent: August 22, 2017
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY SINOPEC
    Inventors: Baixiang Shao, Wei Shen, Zhi He, Yiming Wu
  • Patent number: 9718745
    Abstract: The present disclosure provides a premixer for at least two gases, comprising: a tubular body having a closed end and an opposite, open end; a first flow passage for receiving a first gas, the first flow passage axially extending through the closed end into the tubular body in a sealable manner; a conical tube arranged in the tubular body, wherein a small end of the conical tube communicates with the first flow passage, and a large end of the conical tube extends toward the open end with an edge thereof being fixed to an inner wall of the tubular body, thereby defining a sealed distribution chamber between the tubular body and the conical tube; and a second flow passage arranged on a side portion of the tubular body for receiving a second gas, wherein the second flow passage communicates with the distribution chamber, so that the second gas can be introduced into said conical tube via the distribution chamber in a substantially radial manner.
    Type: Grant
    Filed: January 27, 2014
    Date of Patent: August 1, 2017
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Weimin Yang, Wenjie Liu, Yunqun Huang, Yi Guo, Depan Shi
  • Patent number: 9546118
    Abstract: The present disclosure provides a catalyst for oxidative dehydrogenation of butene to butadiene, comprising at least one compound of formula ZnaAlbMcFeeOf.Z(?-Fe2O3), wherein M is at least one element chosen from Be, Mg, Ca, Sr, Mn, Ba, Cu, Co, and Ni, Z represents the percentage by weight of ?-Fe2O3 in the catalyst and ranges from 10% to 70%. Also provided herein is a process of preparing said catalyst and the use of said catalyst in an oxidative dehydrogenation of butene to butadiene processes.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: January 17, 2017
    Assignees: China Petroleum & Chemical Corporation, Shanghai Research Institute of Petrochemical Technology Sinopec
    Inventors: Changxi Miao, Wenhai Wu, Zhigui Fan, Tieqiang Zeng, Chunjing Ma, Sheng Wu
  • Patent number: 9480975
    Abstract: A catalyst for catalytic cracking in a fluidized-bed is disclosed. The catalyst comprises a support and a composition having the chemical formula (on the basis of the atom ratio): AaBbPcOx for use in the industrial production of ethylene and propylene by catalytically cracking naphtha.
    Type: Grant
    Filed: December 23, 2010
    Date of Patent: November 1, 2016
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY SINOPEC
    Inventors: Zaiku Xie, Guangwei Ma, Weimin Yang, Hui Yao, Liang Chen
  • Patent number: 9416093
    Abstract: This invention relates to a supported quaternary phosphonium catalyst, preparation thereof and use thereof in producing dialkyl carbonates. The supported quaternary phosphonium catalyst of this invention has the following average molecular structure (I), and is characterized by a relatively high and stable catalyst activity. wherein, each of X, L, n, R1, R2, R3 and is the same as that in the specification.
    Type: Grant
    Filed: May 15, 2013
    Date of Patent: August 16, 2016
    Assignees: China Petroleum & Chemical Corporation, Shanghai Research Institute of Petrochemical Technology, Sinopec
    Inventors: Liangfeng Chen, Wenjun He
  • Patent number: 9339801
    Abstract: The present invention relates to a catalyst for the conversion of methanol to aromatics and the preparation of the same. The catalyst comprising 85 to 99 parts by weight of a ZSM-5 zeolite, 0.1 to 15 parts by weight of element M1, which is at least one selected from the group consisted of Ag, Zn and Ga, and 0 to 5 parts by weight of element M2, which is at least one selected from the group consisted of Mo, Cu, La, P, Ce and Co, wherein the total specific surface area of the catalyst ranges from 350 to 500 m2/g, and the micropore specific surface area ranges from 200 to 350 m2/g. The catalyst has high total specific surface area, micropore specific surface area and micropore volume. Good catalytic activity can be shown from the results of the reaction of aromatics preparation from methanol using the catalyst provided by the present invention.
    Type: Grant
    Filed: July 11, 2013
    Date of Patent: May 17, 2016
    Assignees: China Petroleum & Chemical Corporation, Shanghai Research Institute of Petrochemical Technology Sinopec
    Inventors: Xiqiang Chen, Zheming Wang, Jingxian Xiao, Feng Xu