Patents Assigned to Dalian Institute of Chemical Physics, Chinese Academy of Sciences
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Publication number: 20130281719Abstract: The present invention relates to a method for efficient conversion of carbohydrates into 5-hydroxymethylfurfural (HMF) in the presence of tantalum-containing solid acid, which shows good activity and high selectivity for HMF preparation from saccharides. The catalyst is stable in aqueous system which makes it as an ideal catalyst for HMF production. High HMF yield was obtained even in mild condition. The catalysts of the invention are advantageous in that they are environment-friendly, easy separation and recovery, can be re-used in subsequent reactions, do not corrode reaction reactors. These features make the catalyst as an ideal catalyst for HMF preparation and have strong industrial application significance.Type: ApplicationFiled: November 30, 2010Publication date: October 24, 2013Applicant: Dalian Institute of Chemical Physics, Chinese Academy of SciencesInventors: Yuguang Du, Qishun Liu, Fengli Yang, Xuefang Bai, Jingmei Zhao
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Publication number: 20130252806Abstract: An Ag/MnyOx/C catalyst is disclosed, wherein MnOyx is one of Mn3O4 and MnO, or the mixture of Mn3O4 and MnO, or the mixture of Mn3O4 and MnO2 with the mass content of MnO2 in the mixture of Mn3O4 and MnO2 being 0.01-99.9%. The catalyst is obtained by pyrolyzing AgMnO4 at a high temperature. The preparation method comprises two steps: (1) preparing AgMnO4 crystal as the precursor; (2) preparing the Ag/MnyOx/C catalyst. The catalyst has advantages such as high oxygen reduction reaction (ORR) catalytic activity in an alkaline environment, good stability, abundant availability and low cost of raw materials, safety, non-toxicity and pollution-free, environmental friendliness, and adaptive capacity for massive production. The catalyst can be used as oxygen reduction catalyst in metal air fuel cell, alkali anion exchange membrane fuel cell and other alkaline environments.Type: ApplicationFiled: November 30, 2010Publication date: September 26, 2013Applicant: Dalian Institute of Chemical Physics, Chinese Academy of SciencesInventors: Gongquan Sun, Qiwen Tang, Luhua Jiang, Suli Wang
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Patent number: 8501657Abstract: A catalyst for the desulfurization and deodorization of gasoline, which is expressed by the formula: QlBmHn[AxMyOz](1+m+n)?, where: Q denotes a quaternary ammonium cation consisting of R1R2R3R4N+, in which R1, R2, R3, and R4 each denotes independently a C1 to C20 saturated alkyl group, respectively, provided that at least one of R1, R2, R3, and R4 denotes a C4 to C20 saturated alkyl group; B denotes a metal cation of Na+ or/and K+; H denotes a hydrogen atom; A denotes a central atom of B, P, As, Si or Al; M denotes a coordinated atom of W or Mo; O denotes an oxygen atom; 1?l?10, 0?m?3, 0?n?3, l+m+n?14, x=1 or 2, 9?y?18, 34?z?62, and l, m, n, y and z all are integers. A method of the desulfurization and deodorization of gasoline by using the catalyst comprises the steps of: mixing the catalyst and an aqueous solution of hydrogen peroxide, and then adding the gasoline to react them with stirring under conditions of 25 to 90° C. and 0.1 to 1 MPa for 10 to 180 min.Type: GrantFiled: November 20, 2008Date of Patent: August 6, 2013Assignee: Dalian Institute of Chemical Physics, Chinese Academy of ScienceInventors: Can Li, Zongxuan Jiang, Yongna Zhang, Hongying Lv, Boyu Zhang
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Patent number: 8466084Abstract: A non-noble metal based catalyst includes a compound represented by Formula 1: ZraMbOxNy??[Formula 1] where M is at least one element selected from Group 4 elements through Group 12 elements, a is a number in the range of about 1 to about 8, b is a number in the range of 1 to 8, x is a number in the range of about 0.2 to about 32, and y is a number in the range of about 0.2 to about 16. A fuel cell electrode and fuel cell may be formed using the non-noble metal based catalyst.Type: GrantFiled: February 19, 2010Date of Patent: June 18, 2013Assignees: Samsung Electronics Co., Ltd., Dalian Institute of Chemical Physics, Chinese Academy of SciencesInventors: Duckyoung Yoo, Gang Liu, Huamin Zhang, Hong Jin, Ting Xu, Yuanwei Ma, Hexiang Zhong
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Patent number: 8410319Abstract: A catalytic process for generating at least one polyol from a feedstock comprising cellulose is performed in a continuous manner. The process involves, contacting, continuously, hydrogen, water, and a feedstock comprising cellulose, with a catalyst to generate an effluent stream comprising at least one polyol, water, hydrogen, and at least one co-product. The water, hydrogen, and at least one co-product are separated from the effluent stream and recycled to the reaction zone. The polyol is recovered from the effluent stream.Type: GrantFiled: July 28, 2011Date of Patent: April 2, 2013Assignees: UOP LLC, Dalian Institute of Chemical Physics, Chinese Academy of SciencesInventors: Tom N. Kalnes, John Q. Chen, Joseph A. Kocal, Tao Zhang, Aiqin Wang, Mingyuan Zheng, Changzhi Li, Jifeng Pang
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Patent number: 8394735Abstract: A catalyst for ultra-deep desulfurization of diesel via oxidative distillation is an amphiphilic oxidative catalyst, which is expressed as Qm[XMnOq], wherein 1?m?12; 9?n?18; 34?q?62; Q is a quaternary ammonium cation; X is P, Si, As or B; and M is Mo) or W. A desulfurization method comprises a) mixing well a diesel, the amphiphilic catalyst, and hydrogen peroxide, reacting for 10-300 minutes at ambient temperature and normal pressure, transforming the sulfur-containing compounds in the diesel into sulfone to obtain an oxidized diesel; b) distilling the oxidized diesel obtained in step a) under reduced pressure to obtain the ultra-low sulfur diesel having a sulfur content of less than 10 ppm; and c) separating and recovering the catalyst and sulfone.Type: GrantFiled: October 24, 2008Date of Patent: March 12, 2013Assignee: Dalian Institute of Chemical Physics, Chinese Academy of SciencesInventors: Zongxuan Jiang, Can Li, Yongna Zhang, Hongying Lv
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Patent number: 8377289Abstract: A complex metal oxide catalyst comprising a Group VIII metal MI and at least two Group VIB metals MII and MIII, wherein the molar ratio of Group VIII metal MI to Group VIB metals MII+MIII is 1:9-9:1 and the molar ratio of the Group VIB metals MII and MIII is 1:5 to 5:1. When applied to the hydrodesulfurization of diesel, the catalyst exhibits a super high HDS activity. The sulfur level in the diesel can be reduced from 1200 ppm to 27 ppm under a gentle operating condition.Type: GrantFiled: November 26, 2008Date of Patent: February 19, 2013Assignee: Dalian Institute of Chemical Physics, Chinese Academy of SciencesInventors: Can Li, Zongxuan Jiang, Lu Wang
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Patent number: 8338326Abstract: Tungsten carbide catalysts are used in preparation of ethylene glycol by hydrogenating degradation of cellulose. The catalyst includes tungsten carbide as main catalytic active component, added with small amount of one or more transition metals such as nickel, cobalt, iron, ruthenium, rhodium, palladium, osmium, iridium, platinum, and copper as the second metal, supported on one or more porous complex supports such as active carbon, alumina, silica, titanium dioxide, silicon carbide, zirconium oxide, for conversion of cellulose to ethylene glycol. The catalyst realizes high efficiency, high selectivity, and high yield in the conversion of cellulose to ethylene glycol at the temperature of 120-300° C., hydrogen pressure of 1-10 MPa, and hydrothermal conditions. Compared to the existing industrial synthetic method of ethylene glycol using ethylene as feedstock, the invention has the advantages of using renewable raw material resources, environment friendly process, and excellent atom economy.Type: GrantFiled: October 31, 2008Date of Patent: December 25, 2012Assignee: Dalian Institute of Chemical Physics, Chinese Academy of SciencesInventor: Tao Zhang
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Patent number: 8329130Abstract: The present invention provides a method for synthesis of crystalline polymeric boron-nitrogen compounds comprising a step of dehydrogenation of a boron-nitrogen-hydrogen compound on catalyst, wherein the boron-nitrogen-hydrogen compound is selected from the group consisting of ammonia borane, metal amidoboranes, amine boranes or mixtures thereof, and the catalyst is selected from the group consisting of transition metals, transition metal salts or alloys.Type: GrantFiled: July 20, 2010Date of Patent: December 11, 2012Assignee: Dalian Institute of Chemical Physics, Chinese Academy of SciencesInventors: Ping Chen, Teng He, Zhitao Xiong, Guotao Wu
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Patent number: 8324433Abstract: A method for producing ethylene glycol, including (a) adding a polyhydroxy compound and water to a sealed high-pressure reactor, (b) removing air and introducing hydrogen, and (c) allowing the polyhydroxy compound to react in the presence of a catalyst while stiffing. The catalyst includes a first active ingredient and a second active ingredient. The first active ingredient includes a transition metal of Group 8, 9, or 10 selected from iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, and platinum, and/or a mixture thereof. The second active ingredient includes a metallic state of molybdenum and/or tungsten, or a carbide, nitride, or phosphide thereof. The method is carried out at a hydrogen pressure of 1-12 MPa, at a temperature of 120-300° C. for not less than 5 min in a one-step catalytic reaction. The efficiency, selectivity, and the yield of ethylene glycol are high. The preparation process is simple and the materials used are renewable.Type: GrantFiled: October 31, 2010Date of Patent: December 4, 2012Assignee: Dalian Institute of Chemical Physics, Chinese Academy of SciencesInventors: Tao Zhang, Mingyuan Zheng, Aiqin Wang, Na Ji, Jifeng Pang, Zhijun Tai, Likun Zhou, Jingguang Chen, Xiaodong Wang
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Publication number: 20120283487Abstract: Tungsten carbide catalysts are used in preparation of ethylene glycol by hydrogenating degradation of cellulose. The catalyst includes tungsten carbide as main catalytic active component, added with small amount of one or more transition metals such as nickel, cobalt, iron, ruthenium, rhodium, palladium, osmium, iridium, platinum, and copper as the second metal, supported on one or more porous complex supports such as active carbon, alumina, silica, titanium dioxide, silicon carbide, zirconium oxide, for conversion of cellulose to ethylene glycol. The catalyst realizes high efficiency, high selectivity, and high yield in the conversion of cellulose to ethylene glycol at the temperature of 120-300° C., hydrogen pressure of 1-10 MPa, and hydrothermal conditions. Compared to the existing industrial synthetic method of ethylene glycol using ethylene as feedstock, the invention has the advantages of using renewable raw material resources, environment friendly process, and excellent atom economy.Type: ApplicationFiled: June 29, 2012Publication date: November 8, 2012Applicant: Dalian Institute of Chemical Physics, Chinese Academy of SciencesInventors: Tao Zhang, Na JI, Mingyuan Zheng, Aiqin WANG, Yuying SHU, Xiaodong WANG, Jingguang CHEN
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Patent number: 8299297Abstract: Process for the production of glycolic acid by contacting carbon monoxide and formaldehyde with a catalyst containing an acidic polyoxometalate compound encapsulated within the pores of a zeolite. The zeolite has cages larger than the acidic polyoxometalate compound, and has pores with a diameter smaller than the diameter of the acidic polyoxometalate compound.Type: GrantFiled: May 20, 2008Date of Patent: October 30, 2012Assignees: Dalian Institute of Chemical Physics, Chinese Academy of Sciences, BP P.L.C.Inventors: Ying Sun, Hua Wang, Zhongmin Liu
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Publication number: 20120196188Abstract: A polymer ion exchange membrane for acidic electrolyte flow battery. The membrane is nitrogen heterocycles aromatic polymer, especially polybenzimidazole type polymer. A nitrogen heterocycles in the membrane interact with acid in the electrolyte to form donor-receptor proton transport network, so as to keep the proton transport performance of the membrane. The preparation condition for the membrane is mild, and the process is simplicity. The preparation method is suitable for mass production. The membrane is used in acidic electrolyte flow battery, especially in vanadium flow energy storage battery. The membrane has excellent mechanical stability and thermostability. In vanadium redox flow battery, the membrane has excellent proton conduct performance and excellent resistance to the permeation of vanadium ions.Type: ApplicationFiled: June 25, 2010Publication date: August 2, 2012Applicants: Dalian Institute of Chemical Physics, Chinese Academy of Sciences, DALIAN RONGKE POWER CO., LTD.Inventors: Huamin Zhang, Xianfeng Li, Hua Dai, Cheng Bi
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Publication number: 20120178974Abstract: A supported tungsten carbide catalyst comprises tungsten carbide as its active component and a mesoporous carbon as its support, wherein tungsten carbide is highly dispersed on the surface and in the channels of the mesoporous carbon, and the content of tungsten element is in the range from 30% to 42% by mass based on the mesoporous carbon. This catalyst can be prepared by impregnation process. This catalyst can be used for the direct catalytic conversion of cellulose to ethylene glycol under the hydrothermal conditions and at a temperature of 245° C. and the hydrogen pressure of 6 MPa with high reactivity, selectivity and stability.Type: ApplicationFiled: October 22, 2010Publication date: July 12, 2012Applicant: Dalian Institute of Chemical Physics, Chinese Academy of SciencesInventors: Tao Zhang, Yanhua Zhang, Aiqin Wang, Mingyuan Zheng
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Publication number: 20120172633Abstract: This invention provides methods for producing ethylene glycol from polyhydroxy compounds such as cellulose, starch, hemicellulose, glucose, sucrose, fructose, fructan, xylose and soluble xylooligosaccharides. The methods uses polyhydroxy compounds as the reactant, a composite catalyst having active components comprising one or more transition metals of Groups 8, 9, or 10, including iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, and platinum, as well as tungsten oxide, tungsten sulfide, tungsten hydroxide, tungsten chloride, tungsten bronze oxide, tungsten acid, tungstate, metatungstate acid, metatungstate, paratungstate acid, paratungstate, peroxotungstic acid, pertungstate, heteropoly acid containing tungsten. Reacting at a temperature of 120-300° C. and a hydrogen pressure of 1-13 MPa under hydrothermal conditions to accomplish one-step catalytic conversion. It realizes efficient, highly selective, high yield preparation of ethylene glycol and propylene glycol from polyhydroxy compounds.Type: ApplicationFiled: November 4, 2010Publication date: July 5, 2012Applicant: Dalian Institute of Chemical Physics, Chinese Academy of SciencesInventors: Tao Zhang, Zhijun Tai, Aiqin Wang, Mingyuan Zheng
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Patent number: 8148587Abstract: The present invention provides a method for producing Lower olefin from the feed of methanol or/and dimethyl ether, characterized in that methanol or/and dimethyl ether are divided proportionally to be fed at 3 reaction zones; and the desired distribution of the olefin product is obtained by modulating the feeding ratio among the 3 reaction zones and the reaction conditions in each reaction zone.Type: GrantFiled: July 27, 2007Date of Patent: April 3, 2012Assignee: Dalian Institute of Chemical Physics, Chinese Academy of SciencesInventors: Yue Qi, Zhongmin Liu, Zhihui Lv, Hua Wang, Changqing He, Lei Xu, Jinling Zhang, Xiangao Wang
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Publication number: 20120035388Abstract: This invention provides a platinum/carbon nanotube catalyst applicable to heterogeneous asymmetric hydrogenation, which is fabricated by supporting platinum on carbon nanotube carriers. The catalyst is prepared by the steps of: heating purified carbon nanotubes in nitric acid, filtering and washing the same with water until pH value of the filtrate becomes neutral, drying the carbon nanotubes; immersing the carbon nanotube carriers obtained in an aqueous chloroplatinic acid solution and carrying out ultrasonic treatment at room temperature; immersing the mixture of the carbon nanotubes and the aqueous chloroplatinic acid solution under stirring; drying the material by heating to 110° C. from room temperature and maintaining this temperature; grinding the product to fine powders, reducing the fine powders with an aqueous sodium formate solution under a heating condition, filtering and washing the product with deionized water, and drying the product.Type: ApplicationFiled: May 11, 2010Publication date: February 9, 2012Applicant: Dalian Institute of Chemical Physics Chinese Academy of SciencesInventors: Can Li, Zhijian Chen
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Publication number: 20110158881Abstract: The present invention provides a method for synthesis of crystalline polymeric boron-nitrogen compounds comprising a step of dehydrogenation of a boron-nitrogen-hydrogen compound on catalyst, wherein the boron-nitrogen-hydrogen compound is selected from the group consisting of ammonia borane, metal amidoboranes, amine boranes or mixtures thereof, and the catalyst is selected from the group consisting of transition metals, transition metal salts or alloys.Type: ApplicationFiled: July 20, 2010Publication date: June 30, 2011Applicant: Dalian Institute of Chemical Physics, Chinese Academy of SciencesInventors: Ping Chen, Teng He, Zhitao Xiong, Guotao Wu
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Publication number: 20110046419Abstract: A method for producing ethylene glycol, including (a) adding a polyhydroxy compound and water to a sealed high-pressure reactor, (b) removing air and introducing hydrogen, and (c) allowing the polyhydroxy compound to react in the presence of a catalyst while stiffing. The catalyst includes a first active ingredient and a second active ingredient. The first active ingredient includes a transition metal of Group 8, 9, or 10 selected from iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, and platinum, and/or a mixture thereof. The second active ingredient includes a metallic state of molybdenum and/or tungsten, or a carbide, nitride, or phosphide thereof. The method is carried out at a hydrogen pressure of 1-12 MPa, at a temperature of 120-300° C. for not less than 5 min in a one-step catalytic reaction. The efficiency, selectivity, and the yield of ethylene glycol are high. The preparation process is simple and the materials used are renewable.Type: ApplicationFiled: October 31, 2010Publication date: February 24, 2011Applicant: Dalian Institute of Chemical Physics, Chinese Academy of SciencesInventors: Tao ZHANG, Mingyuan ZHENG, Aiqin WANG, Na JI, Jifeng PANG, Zhijun TAI, Likun ZHOU, Jingguang CHEN, Xiaodong WANG
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Publication number: 20110015060Abstract: A catalyst for the desulfurization and deodorization of gasoline, which is expressed by the formula: QlBmHn[AxMyOz](1+m+n)?, where: Q denotes a quaternary ammonium cation consisting of R1R2R3R4N+, in which R1, R2, R3, and R4 each denotes independently a C1 to C20 saturated alkyl group, respectively, provided that at least one of R1, R2, R3, and R4 denotes a C4 to C20 saturated alkyl group; B denotes a metal cation of Na+ or/and K+; H denotes a hydrogen atom; A denotes a central atom of B, P, As, Si or Al; M denotes a coordinated atom of W or Mo; O denotes an oxygen atom; 1?l?10, 0?m?3, 0?n?3, l+m+n?14, x=1 or 2, 9?y?18, 34?z?62, and l, m, n, y and z all are integers. A method of the desulfurization and deodorization of gasoline by using the catalyst comprises the steps of: mixing the catalyst and an aqueous solution of hydrogen peroxide, and then adding the gasoline to react them with stirring under conditions of 25 to 90° C. and 0.1 to 1 MPa for 10 to 180 min.Type: ApplicationFiled: November 20, 2008Publication date: January 20, 2011Applicant: Dalian Institute of Chemical Physics, Chinese Academy of ScienceInventors: Can Li, Zongxuan Jiang, Yongna Zhang, Hongying Lv, Boyu Zhang