Patents Assigned to Research Institute of Petroleum
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Patent number: 8668894Abstract: The present invention relates to a method for processing a sulfur-containing gas and a hydrogenation catalyst used therefor. The method comprises introducing the sulfur-containing gas into the tail gas hydrogenation unit of a sulfur recovery device, processing it with the hydrogenation catalyst of the present invention, and absorbing the hydrogenated tail gas with a solvent. The hydrogenation catalyst comprises from 0.5 to 3 wt. % of an active component nickel oxide, from 1 to 4 wt. % of an active component cobalt oxide, from 8 to 20 wt. % of an active component molybdenum oxide or tungsten oxide, from 1 to 5 wt. % of a deoxidation auxiliary agent, from 10 to 40 wt. % of TiO2, the balance being ?-Al2O3, based on the weight of the catalyst.Type: GrantFiled: August 4, 2011Date of Patent: March 11, 2014Assignees: China Petroleum & Chemical Corporation, Research Institute of Petroleum Processing, SinopecInventors: Aihua Liu, Yiling Zhang, Xingzhong Xu, Jianli Liu, Weidong Tao, Jinshan Xu
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Patent number: 8658024Abstract: The invention discloses a catalyst and a method for cracking hydrocarbons. The catalyst comprises, calculated by dry basis, 10˜65 wt % ZSM-5 zeolite, 0˜60 wt % clay, 15˜60 wt % inorganic oxide binder, 0.5˜15 wt % one or more metal additives selected from the metals of Group VIIIB and 2˜25 wt % P additive, in which the metal additive is calculated by metal oxide and the P additive is calculated by P2O5. The method for cracking hydrocarbons using this catalyst increases the yield of FCC liquefied petroleum gas (LPG) and the octane number of FCC gasoline, as well as it increases the concentration of propylene in LPG dramatically.Type: GrantFiled: August 2, 2012Date of Patent: February 25, 2014Assignees: China Petroleum & Chemical Corporation, Research Institute of Petroleum Processing, SinopecInventors: Jun Long, Wenbin Jiang, Mingde Xu, Huiping Tian, Yibin Luo, Xingtian Shu, Jiushun Zhang, Beiyan Chen, Haitao Song
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Patent number: 8628743Abstract: Gas sweetening solutions are described that are capable of removing hydrogen sulfide from gas streams. These gas sweetening solutions increase the size of produced sulfur particles and thereby improve efficiency of their separation, while simultaneously reducing corrosive effects of the sweetening solutions. The gas sweetening solutions comprise at least one chelating agent, cationic iron and a mixture of nitrite salt and phosphate species.Type: GrantFiled: March 17, 2009Date of Patent: January 14, 2014Assignee: Research Institute of Petroleum Industry (RIPI)Inventors: Masih Hosseini Jenab, Jaber Neshati, Khaled Forsat
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Patent number: 8623791Abstract: A copolymer and preparation method and application thereof are disclosed. The copolymer is random copolymer obtained from monomers consisting of acrylamide, acrylic acid, alkenyl sulfonate, 2-acrylamido-dodecyl sulfonate, p-styrene sulfonate or isoprene sulfonate and so on. The copolymer of present invention can be used as fluid loss additive and has good fluid loss properties, which would not make the drilling fluid thicken at high temperature of 200° C. and high salt conditions of saturated brine. It has a medium-pressure fluid loss after aging and rolling for 16 h at high temperature of 200° C., as measured in accordance with the American Petroleum Institute Standard Test at room temperature, and has good properties of high temperature-resisting and salt-resisting.Type: GrantFiled: September 23, 2011Date of Patent: January 7, 2014Assignees: China Petroleum & Chemical Corporation, Sinopec Research Institute of Petroleum EngineeringInventors: Xiaohua Yang, Lin Wang, Jiafen Li, Xiaolin Qian, Xianguang Wang, Sheng Li, Liwei Ren, Changming Su, Zhifa Wang, Guichuan Liu, Bingzhong Shi
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Publication number: 20140001090Abstract: The present invention relates to a catalyst combination for hydrotreating raw oils and a process for hydrotreating raw oils with the catalyst combination. The catalyst combination comprises one or both of at least one hydrogenation protection catalyst I and at least one hydrogenation demetalling catalyst I; at least one hydrogenation demetalling catalyst II; and at least one hydrogenation treatment catalyst III.Type: ApplicationFiled: March 29, 2013Publication date: January 2, 2014Applicants: RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Qinghe YANG, Dawei Hu, Shuling Sun, Jia Liu, Hong Nie, Xinqiang Zhao, Xuefen Liu, Dadong Li, Lishun Dai, Zhicai Shao, Tao Liu
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Publication number: 20140005032Abstract: The present invention discloses a catalytic cracking catalyst and a preparation process therefor. The catalytic cracking catalyst comprises a cracking active component, 10 wt %-70 wt % of a clay on the dry basis, and 10 wt %-40 wt % of an inorganic oxide binder (as oxide), relative to the weight of the catalytic cracking catalyst, wherein said cracking active component contains, relative to the weight of the catalytic cracking catalyst, 10 wt %-50 wt % of a modified Y-type zeolite on the dry basis and 0-40 wt % of other zeolite on the dry basis, wherein said modified Y-type zeolite is characterized by having a unit cell size of 2.420-2.440 nm; as percent by weight of the modified Y-type zeolite, a phosphorus content of 0.05-6%, a RE2O3 content of 0.03-10%, and an alumina content of less than 22%; and a specific hydroxy nest concentration of less than 0.35 mmol/g and more than 0.05 mmol/g.Type: ApplicationFiled: June 27, 2013Publication date: January 2, 2014Applicants: RESEARCH INSTITUTE OF PETROLEUM PROCESSING SINOPEC, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Jun LONG, Fei Ren, Yuxia Zhu, Yibin Luo, Jiasong Yan, Xue Yang, Huiping Tian, Li Zhuang, Beiyan Chen, Minggang Li, Ying Ouyang, Xiangtian Shu
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Patent number: 8609064Abstract: Disclosed are a novel NU-85 molecular sieve having a specific surface area ranging from about 405 m2/g to about 470 m2/g and a pore volume ranging from about 0.27 cm3/g to about 0.35 cm3/g, and processes for preparing the NU-85 molecular sieve.Type: GrantFiled: October 11, 2011Date of Patent: December 17, 2013Assignees: China Petroleum & Chemical Corporation, Fushun Research Institute of Petroleum and Petrochemical, SinopecInventors: Zhizhi Zhang, Xiwen Zhang, Bo Qin
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Patent number: 8608944Abstract: A catalytic conversion process for increasing the light olefin yields, which comprises bringing a hydrocarbon oil feedstock into contact with a catalytic conversion catalyst in a catalytic conversion reactor including one or more reaction zones to carry out the reaction, wherein the hydrocarbon oil feedstock is subjected to the catalytic conversion reaction in the presence of an inhibitor; and separating the reactant vapor optionally containing the inhibitor from the coke deposited catalyst, wherein a target product containing ethylene and propylene is obtained by separating the reactant vapor, and the coke deposited catalyst is stripped and regenerated for recycle use by being returned to the reactor. The process can weaken the further converting reaction of produced light olefins such as ethylene and propylene to 50-70% of the original level by injecting the inhibitor; thereby it can increase the yields of the target products.Type: GrantFiled: December 19, 2006Date of Patent: December 17, 2013Assignees: Research Institute of Petroleum Processing SINOPEC, China Petroleum & Chemical CorporationInventors: Zheng Li, Jun Long, Shuandl Hou, Zhijian Da, Chaogang Xie, Jiushun Zhang, Zhanzhu Zhang
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Patent number: 8597500Abstract: A catalytic conversion process to convert inferior feedstock to high quality fuel oil and propylene is disclosed. Inferior feedstock is introduced into first and second reactor zone, wherein first step and second step reactions occur by contacting with catalytic conversion catalyst. Product vapors include fluid catalytic cracking gas oil (FGO) which is introduced into a hydrotreating unit and/or extraction unit to obtain hydrotreated FGO and/or extracted FGO. Hydrotreated FGO and/or extracted FGO returns to the first reactor zone and/or another catalytic cracking unit to obtain propylene and gasoline. The extracted oil of said FGO is rich in double ring aromatics and the raffinate of said FGO is rich in chain alkane and cycloalkane. More particularly, the invention utilizes petroleum oil resources efficiently for decreasing the yield of dry gas and coke significantly.Type: GrantFiled: March 13, 2009Date of Patent: December 3, 2013Assignees: China Petroleum & Chemical Corporation, Research Institute of Petroleum Processing, SINOPECInventors: Youhao Xu, Lishun Dai, Zhigang Zhang, Shouye Cui, Jianhong Gong, Chaogang Xie, Jun Long, Hong Nie, Zhijian Da, Jiushun Zhang, Tao Liu, Anguo Mao
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Patent number: 8552074Abstract: The present invention provides a process for preparing methanol, dimethyl ether, and low carbon olefins from syngas, wherein the process comprises the step of contacting syngas with a catalyst under the conditions for converting the syngas into methanol, dimethyl ether, and low carbon olefins, characterized in that, the catalyst contains an amorphous alloy consisting of components M and X wherein the component X represents an element B and/or P, the component M represents two or more elements selected from Group IIIA, IVA, VA, IB, IIB, IVB, VB, VIB, VIIB, VIII and Lanthanide series of the Periodic Table of Elements. According to the present process, the syngas can be converted into methanol, dimethyl ether, and low carbon olefins in a high CO conversion, a high selectivity of the target product, and high carbon availability.Type: GrantFiled: December 15, 2009Date of Patent: October 8, 2013Assignees: China Petroleum & Chemical Corporation, Research Institute of Petroleum Processing, SINOPECInventors: Qiang Fu, Xiaoxin Zhang, Yibin Luo, Xuhong Mu, Baoning Zong
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Publication number: 20130248415Abstract: The present invention discloses a catalyst for paraffin isomerization, as well as a preparation method and use thereof. The catalyst comprises a TON molecular sieve modified by rare earth, an inorganic refractory oxide modified by zirconium oxide and a noble metal of group VIII. The weight ratio of the TON molecular sieve modified by rare earth to the inorganic refractory oxides modified by zirconium oxide is 10:90 to 90:10, and the content of the metal of group VIII is 0.1 to 10 wt % based on the metal. When used in the process of isomerization dewaxing of various raw materials containing paraffins, the catalyst can not only decrease the solidifying points of raw oil containing paraffins, but also increase the yield of liquid products. Particularly, when used in the process of isomerization dewaxing of lubricating oil distillates, the catalyst is advantageous in producing base oil for lubricating oil with a high a higher yield, a lower pour point (solidifying point) and a higher viscosity index.Type: ApplicationFiled: October 13, 2011Publication date: September 26, 2013Applicants: FUSHUN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Huiqing Xu, Quanjie Liu, Liming Jia, Xiwen Zhang, Wei Wang
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Publication number: 20130253208Abstract: The present invention provides a catalyst and the preparation process thereof and a process of epoxidising olefin using the catalyst. The catalyst contains a binder and a titanium silicate, the binder being an amorphous silica, the titanium silicate having a MFI structure, and the crystal grain of the titanium silicate having a hollow structure, with a radial length of 5-300 nm for the cavity portion of the hollow structure, wherein the adsorption capacity of benzene measured for the titanium silicate under the conditions of 25 degrees C., P/P0=0.Type: ApplicationFiled: October 11, 2011Publication date: September 26, 2013Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, Research Institute of Petroleum Processing, Sinope Sinopec, Hunan Changling Pertrochemical Science and Technology Development Co. Ltd.Inventors: Min Lin, Hua Li, Wei Wang, Chijian He, Xiaoju Wu, Jizao Gao, Xichun She, Jun Long, Qingling Chen
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Patent number: 8541630Abstract: Disclosed is a process for producing dimethyl ether from methanol, which is characterized in that the absorbing liquid used in said absorbing column is the bottom liquid of DME-fractionating column and/or bottom waste water of the methanol-recovering column. Said process can significantly reduce energy consumption of the apparatus.Type: GrantFiled: March 26, 2008Date of Patent: September 24, 2013Assignees: China Petroleum & Chemical Corporation, Research Institute of Petroleum Processing, SINOPECInventors: Xiangbo Guo, Zheng Li, Qiang Li, Chaogang Xie, Keyong Yang, Anguo Mao, Xueliang Chang, Genquan Zhu
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Patent number: 8529753Abstract: Disclosed is a combined process for hydrotreating and catalytic cracking of residue, wherein the residue, catalytic cracking heavy cycle oil with acidic solid impurity being removed, optional distillate oil and adistillate of catalytic cracking slurry oil from which the acidic solid impurity is removed are fed into residue hydrotreating unit, the hydrogenated residue obtained and optional vacuum gas oil are fed into catalytic cracking unit to obtain various products; the catalytic cracking heavy cycle oil from which the acidic solid impurity is removed is circulated to the residue hydrotreating unit; the catalytic cracking slurry oil is separated by distilling, the distillate of the catalytic cracking slurry oil after removing off the acidic solid impurity is circulated to the residue hydrotreating unit.Type: GrantFiled: December 27, 2007Date of Patent: September 10, 2013Assignees: Research Institute of Petroleum Processing, Sinopec, China Petroleum & Chemical CorporationInventors: Chuanfeng Niu, Lishun Dai, Yongcan Gao, Dadong Li, Yahua Shi, Hong Nie, Qinghe Yang
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Patent number: 8529754Abstract: The present invention relates to a catalytic conversion process for producing more diesel and propylene, comprising contacting the feedstock oil with a catalyst having a relatively homogeneous activity in a reactor, wherein the reaction temperature, weight hourly space velocity and weight ratio of the catalyst/feedstock oil are sufficient to obtain a reaction product containing from 12 to 60% by weight of a fluid catalytic cracking gas oil relative to the weight of the feedstock oil; the fluid catalytic cracking gas oil is fed into the fluid catalytic cracking gas oil treatment device for further processing. Catalytic cracking, hydrogenation, solvent extraction, hydrocracking and process for producing more diesel are organically combined together, and hydrocarbons such as alkanes, alkyl side chains in the feedstock for catalysis are selectively cracked and isomerized.Type: GrantFiled: September 23, 2010Date of Patent: September 10, 2013Assignees: China Petroleum & Chemical Corporation, Research Institute of Petroleum Processing, SingopecInventors: Shouye Cui, Youhao Xu, Zhihai Hu, Jianhong Gong, Chaogang Xie, Yun Chen, Zhigang Zhang, Jianwei Dong
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Publication number: 20130220889Abstract: A method for improving yield of petroleum hydrocarbon distillate in a distillation tower (6) comprises: preheating raw oil of petroleum hydrocarbon ready for fractionation; feeding it to a vaporization section (11) through a pressure feed system (3) under a pressure 100-1000 kPa higher than the vaporization section (11) of the distillation tower (6) for simultaneous atomizing and vaporizing; then feeding it to a fractionation section (13) for distillation-separation; and finally, discharging distillate product from the top and/or side of the tower and unvaporized heavy oil from the bottom. A distillation tower (6) for improving yield of petroleum hydrocarbon distillate comprises a vaporization section (11) and a fractionation section (13), and further comprises a pressure feed system (3) for feeding the raw oil of petroleum hydrocarbon ready for fractionation under a pressure 100-1000 kPa higher than that in the vaporization section (11) of the distillation tower (6).Type: ApplicationFiled: April 15, 2011Publication date: August 29, 2013Applicants: RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Zhanzhu Zhang, Junyi Mao, Shuandi Hou, Ya Qin, Qing Yuan, Kejia Xu, Tongwang Zhang, Shaobing Wang, Hongliang Qu, Xiaojin Tang, Zhenxing Zhu, Tao Huang
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Patent number: 8500828Abstract: The present invention relates to a process for preparing a bio-diesel, comprising the steps of, in the presence of an additional free fatty acid source, reacting a raw oil-fat with C1-C6 monohydric alcohol in a reactor, and separating fatty acid esters from the reacted materials, so as to produce the bio-diesel, wherein the amount of the free fatty acid in the free fatty acid source ranges from 2-100 wt % and is higher than the amount of the free fatty acid in the raw fat-oil. The present process can increase the fatty acid ester yield and purity of raw oil-fats having a low reaction activity, and has a high adaptability to raw materials.Type: GrantFiled: December 15, 2006Date of Patent: August 6, 2013Assignees: China Petroleum & Chemical Corporation, Research Institute of Petroleum Processing, SinopecInventors: Haijing Wang, Zexue Du, Enze Min, Guoqiang Gao
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Patent number: 8475650Abstract: The present invention relates to a pre-passivation process for a continuous reforming apparatus prior to the reaction, or a passivation process for a continuous reforming apparatus during the initial reaction, comprising loading a reforming catalyst into the continuous reforming apparatus, starting the gas circulation and raising the temperature of a reactor, injecting sulfide into the gas at a reactor temperature ranging from 100-650° C., controlling the sulfur amount in the recycle gas within a range of 0.5-100×10?6 L/L so as to passivate the apparatus.Type: GrantFiled: October 30, 2008Date of Patent: July 2, 2013Assignees: China Petroleum & Chemical Corporation, Research Institute of Petroleum Processing, SinopecInventors: Jieguang Wang, Aizeng Ma, Jianqiang Ren, Changqing Ji, Xinkuan Zhang, Hengfang Chen, Yajun Zhao
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Patent number: 8476477Abstract: A process for preparing polyoxymethylene dimethyl ethers from methanol is disclosed. For example, the process comprises contacting methanol with at least one oxidant in the presence of at least one catalyst wherein the at least one catalyst comprises at least one Group VIB metal component, such as in an amount of from about 0.5 to about 50 wt % (in terms of metal oxide) and at least one Group VIII metal component, such as in an amount of from about 0.2 to about 20 wt % (in terms of metal oxide), and at least one molecular sieve having acidic catalytic activity, such as in an amount of from about 40 to about 95 wt %, based on the total weight of the at least one catalyst for a time sufficient to obtain polyoxymethylene dimethyl ethers.Type: GrantFiled: February 26, 2010Date of Patent: July 2, 2013Assignees: China Petroleum & Chemical Corp., Research Institute of Petroleum Processing, SinopecInventors: Peng Yu, Jingsong Liu, Junfeng Rong, Changzhi Shi, Qiang Fu, Jin Wang, Wei Zhang, Xuhua Zhou
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Publication number: 20130118953Abstract: Disclosed is a process for hydrotreating inferior naphtha fraction, comprising: (1) warming a recycle oil in a heating device; (2) mixing the inferior naphtha fraction with the recycle oil before and/or after the heating device; and (3) feeding the mixture of the inferior naphtha fraction and the recycle oil into a separating unit, wherein the gas-liquid separation is realized at least to obtain a gas phase and a liquid phase, wherein the gas phase comprises gasified inferior naphtha, wherein the gas phase enters a hydrotreating reactor to undergo hydrotreating, and wherein part of the liquid phase circulates to the heating device as the recycle oil; wherein warming of the recycle oil is controlled to ensure the temperature of gas phase from the separator at least reaches the inlet temperature of the hydrotreating reactor. Comparing with the prior art, the inventive process effectively solves the coking problem of the hydrogenating unit for inferior naphtha fraction.Type: ApplicationFiled: October 26, 2012Publication date: May 16, 2013Applicants: FUSHUN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: CHINA PETROLEUM & CHEMICAL CORPORATI, FUSHUN RESEARCH INSTITUTE OF PETROLEU