Patents Assigned to Research Institute of Petroleum Processing,
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Patent number: 8273930Abstract: A process for producing ethylene from ethanol combining the catalytic conversion of hydrocarbons: an ethanol feedstock is contacted with a Y-zeolite containing catalyst to give a product stream, and a coked catalyst and an target product of ethylene are obtained after separating the reaction stream; a hydrocarbon feedstock is contacted with a Y-zeolite containing catalyst to give a product stream, a spent catalyst and an oil vapor are obtained after separating the reaction stream, and the oil vapor is further separated to give the products such as gas, gasoline and the like; a part or all of the coked catalyst and a part or all of the spent catalyst enter the regenerator for the coke-burning regeneration, and the regenerated catalyst is divided into two portions, wherein one portion returns to be contacted with the hydrocarbon feedstock, and the other portion, after cooling, returns to be contacted with ethanol feedstock.Type: GrantFiled: July 12, 2007Date of Patent: September 25, 2012Assignees: China Petroleum & Chemical Corporation, Research Institute of Petroleum Processing, SinopecInventors: Zhiguo Wu, Wenhua Xie, Chaogang Xie, Qiang Liu, Xuhong Mu, Jiushun Zhang, Yibin Luo, Xingtian Shu, Chenghan Yan
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Patent number: 8263007Abstract: The present invention relates to a slurry bed loop reactor comprising a riser and at least one downcomer (3), wherein two ends of the riser are connected to two ends of the downcomer (3) via lines (16) and (7), respectively. The riser comprises a reaction section (1) and a settling section (2) with an increased tube diameter disposed on the reaction section (1). A gas outlet (13) exists at the top of the settling section (2). Each of the downcomers (3) is divided into a filtrate section (5) and a slurry section (6) by filter medium (4), wherein the filtrate section (5) is connected to a liquid outlet (10); two ends of the slurry section (6) are respectively connected to two ends of the riser, and the filtrate region (5) may further be connected to a back purging system.Type: GrantFiled: March 2, 2011Date of Patent: September 11, 2012Assignees: China Petroleum Chemical Corporation, Research Institute of Petroleum Processing, SinopecInventors: Zhanzhu Zhang, Lifeng Hu, Xiaojin Tang, Shaobing Wang, Shuandi Hou, Junyi Mao, Hongliang Qu
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Patent number: 8202816Abstract: An adsorbent for desulfurizing cracking gasoline or diesel fuel comprising 1) pillared clay, (2) inorganic oxide binder, (3) an oxide of one or more metals selected from Groups IIB, VB and VIB, and (4) at least one metal accelerant selected from cobalt, nickel, iron and manganese. The adsorbent exhibits excellent abrasion-resistant strength and desulfurization performance.Type: GrantFiled: May 19, 2009Date of Patent: June 19, 2012Assignees: China Petroleum & Chemical Corporation, Research Institute of Petroleum Processing, SinopecInventors: Jun Long, Huiping Tian, Wei Lin
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Publication number: 20120124896Abstract: The present invention discloses a diesel composition, which comprises a base diesel and an additive composition, characterized in that said base diesel comprises biodiesel, and said additive composition comprises component (a) and component (b), wherein said component (a) is an arylamine-type antioxidant, and said component (b) is one or more polyamines or derivatives thereof. The diesel composition of the present invention has a superior oxidation stability.Type: ApplicationFiled: June 25, 2010Publication date: May 24, 2012Applicants: RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPEC, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Jianmin Lin, Yongguang Zhang, Jianrong Zhang, Hang Li, Shuai Li
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Publication number: 20120115966Abstract: 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 a first component Al and a second component, said second component being one or more elements or oxides thereof selected from Group IA, IIIA, IVA, VA, IB, IIB, IVB, VB, VIIB, VIIB, VIII, and Lanthanide series of the Periodic Table of Elements, and said second component being different from the first component Al. 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: ApplicationFiled: November 26, 2009Publication date: May 10, 2012Applicants: Research Institute of Petroleum Processing, SINOPEC, China Petroleum & Chemical CorporationInventors: Qiang Fu, Xiaoxin Zhang, Yibin Luo, Xuhong Mu, Baoning Zong
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Patent number: 8088335Abstract: A conversion apparatus for catalytic cracking a hydrocarbon feed to light hydrocarbon comprises at least one riser reactor, a dense bed reactor, a disengager, and a stripper. A dense bed reactor which is separated from disengage, is employed to enforce further cracking hydrocarbon to light olefins, with low methane yield. Moreover, the spent catalysts discharged from the outlet of the dense bed reactor can be introduced into the stripper via a specific catalyst transporting channel, to maintain catalyst concentration in the dense bed reactor that can be advantageous to deeper cracking of the intermediate products to produce more light olefins, particularly propylene.Type: GrantFiled: March 30, 2007Date of Patent: January 3, 2012Assignees: China Petroleum and Chemical Corporation, Research Institute of Petroleum Processing, SinopecInventors: Jun Long, Kejia Xu, Shuandi Hou, Zhijian Da, Chaogang Xie, Jiushun Zhang, Zhanzhu Zhang
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Publication number: 20110127192Abstract: The present invention relates to a hydrocracking catalyst comprising an acidic silica-alumina, an optional alumina, an effective quantity of at least one VIII Group metal component(s), an effective quantity of at least one VIB Group metal component(s) and an organic additive, wherein the organic additive is one or more selected from the group consisting of an oxygen-containing or nitrogen-containing organic compound, and the molar ratio of the organic additive to the VIII Group metal component(s) is 0.01-10. The present invention relates further to a process for producing the hydrocracking catalyst and use of the catalyst in a process for hydrocracking hydrocarbon oils. The hydrocracking catalyst provided according to the present invention shows a higher activity for aromatic hydrosaturating and ring-opening reaction, as compared with the prior art hydrocracking catalyst.Type: ApplicationFiled: December 3, 2010Publication date: June 2, 2011Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, Research Institute of Petroleum Processing, SinopecInventors: Yichao Mao, Hong Nie, Jianwei Dong, Zhenlin Xiong, Zhihai Hu, Yahua Shi, Dadong Li
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Publication number: 20110100876Abstract: The present invention provides a composite solid acid catalyst consisting of from 50%-80% by weight of a porous inorganic support, from 15% to 48% by weight of a heteropoly compound loaded thereon, and from 2% to 6% by weight of an inorganic acid. The present invention further provides a process for preparing said composite solid acid catalyst and a process for conducting an alkylation reaction by using such catalyst. The composite solid acid catalyst of the present invention has the acid sites type of Brönsted acid and has an acid sites density of not less than 1.4×10?3 mol H+/g. Moreover, said composite solid acid catalyst has the homogeneous acid strength distribution, and is a solid acid catalyst having excellent performances.Type: ApplicationFiled: October 29, 2010Publication date: May 5, 2011Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, Research Institute of Petroleum processing, SinopecInventors: Yigong HE, Zheng MAN, Xuhong MU
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Patent number: 7923399Abstract: A catalyst for converting hydrocarbons includes, based on the weight of the catalyst, 1-60% by weight of a zeolite, 0.1-10% by weight of an assistant catalytic component, 5-98% by weight of a thermotolerant inorganic oxide, and 0-70% by weight of a clay in terms of the oxide. The zeolite is a MFI-structured zeolite-containing phosphor and transition metal(s) or a mixture of the zeolite and a macroporous zeolite, which comprises, based on the weight of the mixture, 75-100% by weight of said MFI-structured zeolite containing phosphor and transition metal(s) and 0-25% by weight of the macroporous zeolite. In terms of the mass of the oxide, the MFI-structured zeolite containing phosphor and transition metal(s) has the following anhydrous chemical formula: (0-0.3)Na2O.(0.3-5.5)Al2O3.(1.0-10)P2O5.(0.7-15)M1xOy.(0.01-5)M2mOn(0-10)RE2O3.(70-97)SiO2??I or (0-0.3)Na2O.(0.3-5)Al2O3.(1.0-10)P2O5.(0.7-15)MpOq.(0-10)RE2O3.Type: GrantFiled: March 31, 2005Date of Patent: April 12, 2011Assignees: China Petroleum & Chemical Corporation, Research Institute of Petroleum Processing SinopecInventors: Jun Long, Zhijian Da, Huiping Tian, Zhenyu Chen, Weilin Zhang, Xingtian Shu, Jiushun Zhang, Yuxia Zhu, Yujian Liu
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Patent number: 7919536Abstract: The present invention relates to a slurry bed loop reactor comprising a riser and at least one downcomer (3), wherein two ends of the riser are connected to two ends of the downcomer (3) via lines (16) and (7), respectively. The riser comprises a reaction section (1) and a settling section (2) with an increased tube diameter disposed on the reaction section (1). A gas outlet (13) exists at the top of the settling section (2). Each of the downcomers (3) is divided into a filtrate section (5) and a slurry section (6) by filter medium (4), wherein the filtrate section (5) is connected to a liquid outlet (10); two ends of the slurry section (6) are respectively connected to two ends of the riser, and the filtrate region (5) may further be connected to a back purging system.Type: GrantFiled: May 31, 2007Date of Patent: April 5, 2011Assignees: China Petroleum & Chemical Corporation, Research Institute of Petroleum Processing, SinopecInventors: Zhanzhu Zhang, Lifeng Hu, Xiaojin Tang, Shaobing Wang, Shuandi Hou, Junyi Mao, Hongliang Qu
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Publication number: 20110073523Abstract: 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 feedstocks for catalysis are selectively cracked and isomerized.Type: ApplicationFiled: September 23, 2010Publication date: March 31, 2011Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, Research Institute of Petroleum Processing, SinopecInventors: Shouye CUI, Youhao XU, Zhihai HU, Jianhong GONG, Chaogang XIE, Yun CHEN, Zhigang ZHANG, Jianwei DONG
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Publication number: 20110065963Abstract: 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: ApplicationFiled: March 26, 2008Publication date: March 17, 2011Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, Research Institute of Petroleum Processing, SinopeInventors: Xiangbo Guo, Zheng Li, Qiang Li, Chaogang Xie, Keyong Yang, Anguo Mao, Xueliang Chang, Genquan Zhu
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Publication number: 20110000818Abstract: A catalytic conversion process can convert inferior feedstock to high quality fuel oil and propylene. A inferior feedstock is introduced into first and second reactor zone, wherein the feedstock carry out first step and second step reactions by contacting with catalytic conversion catalyst. Product vapors separate from spent catalyst by gas-solid separation. The spent catalyst is stripped, regenerated by burning off coke and then returns to reactor. The product vapors are introduced into separation system to obtain propylene, gasoline, diesel, fluid catalytic cracking gas oil (FGO) and other products. The FGO is introduced into hydrotreating unit and/or extraction unit to obtain hydrotreated FGO and/or extracted FGO. Said hyrotreated FGO and/or extracted FGO return 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 which are good chemical materials.Type: ApplicationFiled: March 13, 2009Publication date: January 6, 2011Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSINGInventors: 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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Publication number: 20100326888Abstract: The present invention provides a catalytic cracking catalyst, processing method and use thereof. When the catalyst is added into a commercial catalytic cracking unit, it has an initial activity of not higher than 80, preferably not higher than 75, more preferably not higher than 70, a self-balancing time of 0.1-50 h, and an equilibrium activity of 35-60. Said method enables the activity and selectivity of the catalyst in the catalytic cracking unit to be more homogeneous and notably improves the selectivity of the catalytic cracking catalyst, so as to obviously reduce the dry gas and coke yields, to sufficiently use steam and to reduce the energy consumption of the FCC unit.Type: ApplicationFiled: June 24, 2010Publication date: December 30, 2010Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, Research Institute of Petroleum Processing, SinopecInventors: Youhao XU, Shouye CUI, Jun LONG, Jianhong GONG, Zhijian DA, Jiushun ZHANG, Yuxia ZHU, Yibin LUO, Jinlian TANG
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Publication number: 20100311569Abstract: 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: ApplicationFiled: June 10, 2010Publication date: December 9, 2010Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, Research Institute of Petroleum Processing, SinopecInventors: Jun Long, Wenbin Jiang, Mingde Xu, Huiping Tian, Yibin Luo, Xingtian Shu, Jishun Zhang, Beiyan Chen, Haitao Song
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CATALYST FOR CONVERTING ACID-CONTAINING INFERIOR CRUDE OIL AND PROCESS FOR MAKING AND USING THE SAME
Publication number: 20100288675Abstract: The present invention relates to a catalyst for converting inferior acid-containing crude oil. Based on the total amount of the catalyst, said catalyst comprises from 1 to 50 wt % of a mesopore material, from 1 to 60 wt % of molecular sieves and from 5 to 98 wt % of thermotolerant inorganic oxides and from 0 to 70 wt % of clays. Said mesopore material is an amorphous material containing alkaline earth oxide, silica and alumina, and has an anhydrous chemical formula of (0-0.3)Na2O.(1-50)MO.(6-58)Al2O3.(40-92)SiO2, based on the weight percent of the oxides, wherein M is one or more selected from Mg, Ca and Ba. Said mesopore material has a specific surface area of 200-400 m2/g, a pore volume of 0.5-2.0 ml/g, an average pore diameter of 8-20 nm, and a most probable pore size of 5-15 nm. The catalyst provided in the present invention is suitable for the catalytic conversion of crude oil having a total acid number of greater than 0.Type: ApplicationFiled: January 9, 2009Publication date: November 18, 2010Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPECInventors: Jun Long, Jiushun Zhang, Huiping Tian, Yuxia Zhu -
Publication number: 20100282645Abstract: 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. The process of the present invention may also comprise the following steps: (1) loading a reforming catalyst into the continuous reforming apparatus, starting the gas circulation and raising the temperature of a reactor, feeding the reforming feedstock into the reaction system when the temperature of the reactor is increased to 300-460° C.Type: ApplicationFiled: October 30, 2008Publication date: November 11, 2010Applicants: 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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Publication number: 20100248942Abstract: The object of the present invention is to provide a catalyst regeneration process which can improve catalyst selectivity. A first aspect of the invention is characterized in that a spent catalyst from a reactor is introduced into a first fluidized bed regenerator and contacted with an oxygen-containing gas stream and optional steam to carry out a coke combustion reaction, wherein the resultant mixture of the partially regenerated catalyst and flue gas is introduced into a second fluidized bed regenerator and contacted with steam and an optional oxygen-containing gas stream to carry out a further regeneration reaction, and then the regenerated catalyst is introduced into the reactor. A second aspect of the invention is characterized in that a spent catalyst from a reactor is introduced into a fluidized dense bed regenerator and contacted with an oxygen-containing gas stream and steam to carry out a coke combustion reaction, and then the regenerated catalyst is introduced into the reactor.Type: ApplicationFiled: March 30, 2010Publication date: September 30, 2010Applicants: China Petroleum & Chemical Corporation, Research Institute of Petroleum Processing, SinopecInventors: Youhao Xu, Shouye Cui, Zhigang Zhang, Weimin Lu
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Patent number: 7776775Abstract: The present invention provides a cracking catalyst, containing a rare-earth Y-zeolite and a support, which is characterized in that the rare-earth content in crystal lattice of the rare-earth Y-zeolite is 4-15 wt % of RE2O3; the original unit cell size is 2.440-2.465 nm; the equilibrium unit cell size of the catalyst after 100% steam-aging treatment at 800° C. for 17 hours is larger than 2.435 nm; the rare-earth atom content in the support is 1.0-8.0 wt % of the support. The present invention also relates to a preparation process for the same catalyst.Type: GrantFiled: March 31, 2006Date of Patent: August 17, 2010Assignees: China Petroleum & Chemical Corporation, Research Institute of Petroleum Processing, SinopecInventors: Jun Du, Zheng Li, Jun Long, Mingde Xu, Zhijian Da, Huiping Tian, Mingyuan He
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Patent number: 7767611Abstract: A modified zeolite beta having an anhydrous chemical formula, by weight % of the oxides, of (0-0.3)Na2O.(0.5-10)Al2O3.(1.3-10)P2O5.(0.7-15)MxOy.(70-97)SiO2, wherein M is one or more transition metal(s) selected from the group consisting of Fe, Co, Ni, Cu, Mn, Zn and Sn, x is the number of the atoms of said transition metal M, and y is a number that meets with the requirement of the oxidation state of said transition metal M, is disclosed. The modified zeolite beta can be used as an active component of a cracking catalyst or additive for catalytic cracking of petroleum hydrocarbons.Type: GrantFiled: May 31, 2006Date of Patent: August 3, 2010Assignees: China Petroleum & Chemical Corporation, Research Institute of Petroleum Processing SinopecInventors: Yibin Luo, Zhijian Da, Ying Ouyang, Li Zhuang, Jun Long, Xingtian Shu, Baoning Zong