Patents Assigned to China Petroleum & Chemical Corporation
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Publication number: 20240384186Abstract: The invention relates to a hydrocracking process and system. The gas oil feedstock and hydrogen are mixed and reacted in a hydrotreating unit. The resulting reaction effluent is sent to a first hydrogenation cracking unit and reacted by contacting a hydrogenation cracking catalyst I to obtain light fraction I rich in paraffins and heavy fraction I rich in cyclic hydrocarbons. The heavy fraction I is mixed with hydrogen and reacted in a second hydrogenation cracking unit, thereby producing heavy fraction II rich in cyclic hydrocarbons. The present invention wholly realizes the high-selective directional conversion of gas oil feedstock according to the chain structure and the ring structure and can produce chemical raw materials rich in paraffins and naphthenic speciality oil rich in cyclic hydrocarbons.Type: ApplicationFiled: September 14, 2022Publication date: November 21, 2024Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC Research Institute of Petroleum Processing Co., Ltd.Inventors: Zhihai HU, Changyi MO, Liang REN, Yichao MAO, Li ZHUANG, Xinheng CAI, Yi ZHAO, Guangle ZHAO, Zhangyan YAN, Yang ZHAO
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Patent number: 12145137Abstract: A DLM-1 molecular sieve, a process for preparing the molecular sieve, and use thereof in treating an organic substance are provided. The DLM-1 molecular sieve is an Al-SBA-15 molecular sieve, and has a schematic chemical composition as represented by the formula “first oxide*second oxide”. The first oxide is silica, the second oxide is alumina, and the content by mass percent of alumina in the schematic chemical composition is 2% to 85%. The DLM-1 molecular sieve is suitable for the hydrodenitrogenation reaction of heavy distillate oil, and is favorable for improving the hydrodenitrogenation activity.Type: GrantFiled: December 24, 2020Date of Patent: November 19, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC Dalian Research Institute of Petroleum and Petrochemicals Co., Ltd.Inventors: Zhaoji Tang, Hongfei Fan
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Publication number: 20240376242Abstract: A polymer, a thickening agent, and a preparation method therefor are provided. The polymer contains structural units of formula (1), formula (2), of formula (3), and of formula (4). The thickening agent contains the polymer and has instant solubility. It can be used for thickening slickwater, a glue solution, a cross-linked fracturing fluid and an acid solution having different viscosities, which improves compatibility between different fracturing fluids. Various fracturing fluid systems prepared by using the thickening agent have good temperature resistance, shearing resistance, sand-carrying performance, and a slow speed.Type: ApplicationFiled: July 20, 2022Publication date: November 14, 2024Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC PETROLEUM ENGINEERING TECHNOLOGY RESEARCH INSTITUTE CO., LTDInventors: Shidong DING, Fanghui LIU, Haitao WANG, Tingxue JIANG, Juanming WEI, Yiming YAO, Ziqi SHEN, Jing HUANG, Lishuang WANG
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Patent number: 12139679Abstract: A lubricity modifier for fuels contain a dicarboxylic acid monoester compound represented by formula (I). In formula (I), R1 represents a single bond, a substituted or unsubstituted C2-6 divalent alkenyl group, or a group having a structure of —R3—R4—R5—; R2 represents a substituted or unsubstituted C1-40 hydrocarbyl group; R3 and R5 each independently represents a single bond, or a substituted or unsubstituted C1-3 divalent alkyl group; and R4 represents a substituted or unsubstituted C3-12 divalent alicyclic group.Type: GrantFiled: March 30, 2021Date of Patent: November 12, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPECInventors: Jianmin Lin, Xin Xia, Baoshi Li, Yan Li
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Patent number: 12138621Abstract: The catalytic cracking catalyst contains a molecular sieve and an alumina substrate material. The alumina substrate material has a crystalline phase structure of ?-alumina. Based on the volume of pores with a diameter of 2-100 nm, the pore volume of the pores with a diameter of 2-5 nm accounts for 0-10%, the pore volume of the pores with a diameter of more than 5 nm and not more than 10 nm accounts for 10-25%, and the pore volume of the pores with a diameter of more than 10 nm and not more than 100 nm accounts for 65-90%.Type: GrantFiled: March 26, 2020Date of Patent: November 12, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPECInventors: Jiexiao Zhang, Shanqing Yu, Mingde Xu, Jiasong Yan, Huiping Tian, Jiaxing Li, Min Yang
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Patent number: 12129226Abstract: Processes for converting ethanol and syngas (CO and H2) to isobutanol are disclosed. Syngas and ethanol are reacted in the first reaction zone in the presence of a first heterogeneous catalyst to produce a first reactor effluent comprising a first mixture of alcohols. The first reactor effluent is reacted a second reaction zone in the presence of a second heterogeneous catalyst to produce a second reactor effluent comprising a second mixture of alcohols. The second reactor effluent is separated into an overhead gas stream and a liquid bottom stream. The liquid bottom stream is separated into at least a C1-2 stream, a C3 stream, and a C4+ stream. The isobutanol is recovered from the C4+ stream.Type: GrantFiled: September 19, 2019Date of Patent: October 29, 2024Assignees: China Petroleum & Chemical Corporation, UOP LLCInventors: Jinbiao Guo, Richard Long, Tian Ruan
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Patent number: 12129728Abstract: A downhole blowout preventer has a blowout preventer tubing string containing a circulation unit, a packer unit and a pressure-building unit connected in sequence from top to bottom. The pressure-building unit is configured to be activated in response to a command, so as to build up pressure in a space inside the blowout preventer tubing string. The packer unit is configured to be activated when a pressure in said space reaches a first predetermined value, so as to seal an annulus between said blowout preventer tubing string and an external casing or borehole. The circulation unit is configured to be activated when the pressure in said space reaches a second predetermined value, thereby creating a circulation path between an interior and an exterior of the blowout preventer tubing string. The first predetermined value is less than the second predetermined value.Type: GrantFiled: August 16, 2021Date of Patent: October 29, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC PETROLEUM ENGINEERING TECHNOLOGY RESEARCH INSTITUTE CO., LTD.Inventors: Lanrong Ma, Lei Gu, Huibo Yin, Xiaozhi Zheng, Guangming Cheng, Yuequan Hou
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Patent number: 12129216Abstract: 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: GrantFiled: March 12, 2021Date of Patent: October 29, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPECInventors: Guozhen Qi, Jing Cao, Xiaohong Li, Hongtao Wang, Li Wang, Yanxue Wang
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Patent number: 12121880Abstract: A catalyst component for olefin polymerization includes magnesium, titanium, a halogen, an internal electron donor compound, and a precipitation aid. The precipitation aid includes a precipitation aid represented by general formula (I). The precipitation aid represented by general formula (I) includes isomers represented by general formula (I-a) and/or (I-b).Type: GrantFiled: May 21, 2019Date of Patent: October 22, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Rui Zhang, Zhong Tan, Qilong Zhou, Xiudong Xu, Fengkui Li, Shanshan Yin, Jinhua Yu, Weiwei Song
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Patent number: 12122974Abstract: An organophosphorus compound has a structure represented by the general formula (I): The functional groups are defined in the description. The organophosphorus compound has prominent bearing capacity and excellent antiwear and antifriction performances, and can be used as an extreme pressure antiwear additive and used in lubricating oil and lubricating grease.Type: GrantFiled: October 16, 2019Date of Patent: October 22, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPECInventors: Xiaowei Chen, Kecheng Wei
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Patent number: 12123661Abstract: The present invention relates to the field of fluid heat transfer, and discloses a heat transfer enhancement pipe as well as a cracking furnace and an atmospheric and vacuum heating furnace including the same. The heat transfer enhancement pipe (1) includes a pipe body (10) of tubular shape having an inlet (100) for entering of a fluid and an outlet (101) for said fluid to flow out; internal wall of the pipe body (10) is provided with a fin (11) protruding towards interior of the pipe body (10), wherein the fin (11) has one or more fin sections extending spirally in the axial direction of the pipe body (10), and each fin section has a first end surface facing the inlet (100) and a second end surface facing the outlet (101), at least one of the first end surface and the second end surface of at least one of the rib sections is formed as a transition surface along spirally extending direction.Type: GrantFiled: October 25, 2018Date of Patent: October 22, 2024Assignees: China Petroleum & Chemical Corporation, Bejing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Guoqing Wang, Junjie Liu, Lijun Zhang, Cong Zhou, Zhaobin Zhang, Shasha Yang, Dongfa Shen, Xiaofeng Li, Shifang Yang, Zhiguo Du, Yonggang Zhang, Ying Shi, Jinghang Guo
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Patent number: 12116331Abstract: 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: GrantFiled: October 17, 2019Date of Patent: October 15, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPECInventors: Siqing Zhong, Jun Xu, Le Zhao, Lianghua Wu
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Patent number: 12110460Abstract: A method for recovering C2 components in a methane-containing industrial gas includes the steps of (1) cooling a compressed methane-containing industrial gas and performing gas-liquid separation; (2) absorbing C2 components in the gas phase by using an absorbent to obtain an absorption rich liquid; (3) returning the absorption rich liquid to the compression in step (1) or mixing the absorption rich liquid with the liquid phase obtained in step (1) to obtain a mixed liquid, and depressurizing the mixed liquid or the absorption rich liquid; (4) performing methane desorption on the depressurized stream to obtain a rich absorbent, or performing second gas-liquid separation on the depressurized stream, followed by methane desorption on the second liquid phase to obtain a rich absorbent; and (5) desorbing and separating the rich absorbent to obtain a lean absorbent and an enriched gas, and recycling and reusing the lean absorbent.Type: GrantFiled: September 24, 2020Date of Patent: October 8, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Huawei Shao, Dongfeng Li, Yi Zou, Zhixin Liu, Chunfang Li, Liang Guo, Jingsheng Zhang, Zhiyan Hu
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Patent number: 12098114Abstract: 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: GrantFiled: October 17, 2019Date of Patent: September 24, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPECInventors: Jun Xu, Siqing Zhong, Le Zhao, Lianghua Wu
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Patent number: 12092787Abstract: A method for measuring subterranean formation porosity includes the steps of: deploying a nuclear logging tool having one or more neutron sources and two or more dual-function detectors disposed in into a subterranean formation; causing the one or more neutron sources to emit neutrons in a plurality of neutron pulses into the subterranean formation and generating neutrons and gamma rays in the subterranean formation; obtaining one or more neutron count rates for each of the two or more detectors; determining a formation type of the subterranean formation based on gamma rays received at the one or more detectors; calculating one or more neutron count rate ratios between the neutron count rates of two detectors selected from the two or more detectors; and obtaining one or more formation porosities based on the formation type and the one or more neutron count rate ratios.Type: GrantFiled: March 4, 2022Date of Patent: September 17, 2024Assignee: CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Jeremy Zhang, Sheng Zhan
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Publication number: 20240288414Abstract: Described are a water quality testing method and a water quality testing apparatus. The testing method includes: obtaining, in a first environment, a testing sample including a target testing object; selecting a reference object according to the testing sample, and respectively acquiring the chroma of the reference object in a second environment and in the first environment; constructing a correction model according to the chroma of the reference object in the second environment and in the first environment; obtaining the chroma of the testing sample in the first environment; according to the chroma of the testing sample in the first environment and the correction model, obtaining the chroma of the testing sample in the second environment; and according to a preset standard curve and the chroma of the testing sample in the second environment, obtaining the concentration of the target testing object in the testing sample.Type: ApplicationFiled: May 25, 2022Publication date: August 29, 2024Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC RESEARCH INSTITUTE OF SAFETY ENGINEERING CO., LTD.Inventors: Junjie FENG, Bing SUN, Huiyun JIANG, Yan JIN, Anshan XIAO, Haozhi WANG, Shiqiang WANG
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Patent number: 12060319Abstract: The present invention relates to a preparation process for a Cu-based catalyst and use of the Cu-based catalyst as the dehydrogenation catalyst in producing a hydroxyketone compound such as acetoin. Said Cu-based catalyst shows a high the acetoin selectivity as the dehydrogenation catalyst for producing acetoin.Type: GrantFiled: January 20, 2022Date of Patent: August 13, 2024Assignees: China Petroleum & Chemical Corporation, Dalian Research Institute of Petroleum and Petrochemicals, SINOPEC CORP.Inventors: Kai Qiao, Feng Zhou, Jie Su, Huixia Ma, Qingtong Zhai, Shumei Zhang
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Patent number: 12060291Abstract: Disclosed is a method for the treatment and resource utilization of acidic organic wastewater, comprising: (1) performing activated sludge treatment on acidic organic wastewater; and (2) performing microalgae treatment on the acidic organic wastewater treated in step (1). By means of the combination of activated sludge treatment and microalgae treatment, the present invention can significantly reduce the COD of the acidic organic wastewater. In some embodiments, the use of acclimated activated sludge or activated sludge having a specific microbial flora structure can not only improve the treatment efficiency while shortening the treatment time, but also omit a pH value adjustment step without causing sludge accumulation.Type: GrantFiled: October 17, 2019Date of Patent: August 13, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC NANJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CO., LTD.Inventors: Haitao Li, Songbai Mao, Dong Wang, Xi Chen
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Patent number: 12054682Abstract: A process for producing light olefins from inferior oils includes the steps of: subjecting an inferior oil to a thermal conversion reaction in the presence of hydrogen to obtain a conversion product; separating the conversion product to obtain a first separated product; separating the first separated product to obtain an upgraded oil and a pitch; subjecting the upgraded oil to hydro-upgrading to obtain a hydro-upgraded oil; separating the hydro-upgraded oil to obtain a hydro-upgraded heavy oil; and subjecting the hydro-upgraded heavy oil to catalytic cracking to obtain a catalytic cracking product comprising a light olefin.Type: GrantFiled: March 2, 2020Date of Patent: August 6, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPECInventors: Huandi Hou, Xiaoli Wei, Jun Long, Ming Dong, Jiushun Zhang, Shuandi Hou, Xuefeng Chen, Jialin Liang, Jiguang Li, Cuihong Wang, Haiping Shen, Jianhong Gong, Lishun Dai
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Patent number: 12054680Abstract: A method for producing light aromatics, includes the steps of: i) contacting a feedstock comprising heavy aromatic(s) with a catalyst in a fluidized reactor for aromatics lightening reaction in the presence of hydrogen to obtain a product rich in C6-C8 light aromatic(s) and a spent catalyst, wherein the heavy aromatic is one or more selected from C9+ aromatics; ii) separating the resulted product rich in C6-C8 light aromatic(s) to obtain hydrogen, a non-aromatic component, C6-C8 light aromatic(s) and a C9+ aromatic component; and iii) recycling at least a part of the C9+ aromatic component to the fluidized reactor. The method has strong adaptability to feedstocks and high flexibility in operation and allows a long-period stable operation. The method can produce high-value light aromatics from heavy aromatics that are difficult to be treated and utilized.Type: GrantFiled: August 4, 2020Date of Patent: August 6, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPECInventors: Di Wang, Xiaoli Wei, Jianhong Gong, Jingchuan Yu, Jiushun Zhang