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Chinese Journal of Catalysis
2009, Vol. 30, No. 8
Online: 25 August 2009

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Research and Development of Hydroisomerization and Hydrocracking Catalysts In Dalian Institute of Chemical Physics TIAN Zhijian*;LIANG Dongbai;LIN Liwu 2009, 30 (8):  705-710.  Abstract ( 2312 )   [Full Text(HTML)] () PDF (419KB) ( 1438 )   In the past 60 years, Dalian Institute of Chemical Physics has developed a number of hydroisomerization and hydrocracking refining catalysts. Its first 400 kt/a single stage vacuum gas oil hydroisomerization process and catalysts were commercialized in Daqing Refinery in 1967, which is also the first hydrocracking unit in China. As its latest achievement, a zeolite-based hydroisomerization catalyst was deployed in the 200 kt/a base oil isodewaxing unit of PetroChina in 2008.

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Preparation, Characterization, and Properties of Ferric Molybdate Nanotubes for Propene Epoxidation by Air WANG Li;MA Tao;SHENG Wei;GUO Xuefeng;DING Weiping*;CHEN Yi 2009, 30 (8):  711-713.  Abstract ( 2286 )   [Full Text(HTML)] () PDF (368KB) ( 1319 )   Ferric molybdate nanotubes prepared based on the Kirkendall effect and solid state reaction show fairly high selectivity for propene oxide in the epoxidation of propene by air. The unique catalytic properties of the nanotubes could be responsible for the special interation between Mo and Fe on the nanotubes.

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Oxidative Dehydrogenation of Ethane to Ethylene over Mesoporous Ni-Based Catalysts LI Jianhui;LI Rengui;WANG Caicai;HUANG Chuanjing*;WENG Weizheng;WAN Huilin* 2009, 30 (8):  714-716.  Abstract ( 2340 )   [Full Text(HTML)] () PDF (376KB) ( 907 )   Mesoporous NiO and NiMgO catalysts showed higher ethylene selectivity than the nano-sized NiO at the same ethane conversion. On meso-NiMgO, an ethylene yield of 30.1% was obtained at 450 °C, much higher than the best obtained with nano-NiO (15.9%) or meso-NiO (22.5%).

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UV Raman Spectroscopic Characterization of Catalytic Materials FAN Fengtao;XU Qian;XIA Haian;SUN Keju;FENG Zhaochi;LI Can;* 2009, 30 (8):  717-739.  Abstract ( 2642 )   [Full Text(HTML)] () PDF (36744KB) ( 3064 )   Advances in catalytic characterization using UV Raman spectroscopy, including the characterization of highly dispersed transition metal oxides on supports, transition metal ions in the framework of microporous and mesoporous materials, the synthesis mechanism of zeolites, and the surface phase of metal oxide catalysts, have been made by taking the advantages of UV Raman spectroscopy and resonance Raman effect.

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Kinetics Studies of Cobalt FT Catalyst Using High-Throughput Technology HUA Xinlei;*;WANG Ligang;XU Yonghua;WANG Youqi;GAO Zi 2009, 30 (8):  740-747.  Abstract ( 2132 )   [Full Text(HTML)] () PDF (4337KB) ( 1043 )   A 16-channel parallel reactor system was built to study the local properties of a fixed-bed reactor. For FT reaction in the absence of hot-spot and mass transfer limitation, the reaction rates, except for C1 and C2, first increase and then decrease with bed residence time, with olefin rate maximum closer to the bed entrance than that of paraffin.

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Influence of Phase Composition of Titania on Catalytic Behavior of PtCo/TiO2 for Benzene Hydrogenation LU Shuliang;QIAN Fang;ZHU Yuexiang;*;XIE Youchang;Jingguang G. CHEN 2009, 30 (8):  748-752.  Abstract ( 2371 )   [Full Text(HTML)] () PDF (474KB) ( 1023 )   PtCo bimetallic catalysts supported on TiO2 with different phase compositions were evaluated using benzene hydrogenation at 70 oC, and catalytic properties can be altered by adjusting the phase composition of TiO2.

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Quasi-homogeneous Catalysis: Towards Green and Efficiency XIAO Chaoxian;YAN Ning;KOU Yuan* 2009, 30 (8):  753-764.  Abstract ( 2716 )   [Full Text(HTML)] () PDF (26488KB) ( 781 )   Quasi-homogeneous catalysts, composed of three-dimensional free metal nanoparticles in solvents and generally protected by a stabilizer, represent a growing branch of nanochemistry. Various quasi-homogeneous catalysts have been synthesized and applied to many catalytic reactions, exhibiting excellent catalytic performance under mild conditions. With versatile separation techniques, recycle of quasi-homogeneous catalysts can be realized.

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Recent Advances in Upgrading of Bio-oils from Pyrolysis of Biomass ZHENG Xiaoming*;LOU Hui 2009, 30 (8):  765-769.  Abstract ( 2213 )   [Full Text(HTML)] () PDF (2914KB) ( 1520 )   Crude bio-oils from biomass pyrolysis contain a wide variety of chemically unstable and corrosive oxygenated compounds, and they can meet the needs of transportation fuel after converting to stable and less corrosive oxygenated compounds.

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Coal to Liquid Fuels by Gasification and the Associated Hot Gas Cleanup Challenges WANG Jianguo*;LI Yongwang;HAN Yizhuo;SUN Yuhan;FANG Yitian;ZHAO Jiantao;QIN Zhangfeng 2009, 30 (8):  770-775.  Abstract ( 2226 )   [Full Text(HTML)] () PDF (3249KB) ( 1048 )   Recent progress made in the Institute of Coal Chemistry, Chinese Academy of Sciences in the field of coal gasification using an ash agglomerating fluidized bed gasifier together with the gas cleanup challenges and the synthesis of liquid fuels (hydrocarbons, higher alcohols, and dimethyl ether) from coal-based syngas were briefly summarized.

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An Interfacially Alloyed Pt^Ag Cathode Catalyst for the Electrochemical Re-duction of Oxygen FENG Yuanyuan;MA Junhong;ZHANG Guirong;ZHAO Dan;XU Boqing* 2009, 30 (8):  776-779.  Abstract ( 2520 )   [Full Text(HTML)] () PDF (412KB) ( 1541 )   The intrinsic activity of Pt in the interfacially alloyed Pt-on-Ag nanostructured catalyst for oxygen reduction reaction was about twice that in the Pt/C catalyst. Compared with the unalloyed catalyst, the alloying at Pt/Ag interface in Pt0.5^Ag-B/C resulted in a more efficient use of Pt.

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Promotional Effects of Ni and Mg on the Preferential Oxidation of CO over Carbon Nanotube-Supported Pt Catalyst YANG Hongwei;YI Guangquan;LIN Haiqiang;Ken-ichi TANAKA;YUAN Youzhu;* 2009, 30 (8):  780-785.  Abstract ( 2318 )   [Full Text(HTML)] () PDF (4012KB) ( 890 )   A marked promoting effect on the preferential oxidation of CO has been obtained over a Pt-Ni-Mg/CNT catalyst, which might be due to the formation of Pt-Ni-Mg alloy nanoparticles to some extents. The catalytic performance did not change obviously during 24 h of run at 140 oC.

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Preparation of Sulphonated Zirconium Phosphate-Phenylphosphonates and Their Catalytic Properties in Carbonylation of Formaldehyde SUN Ying;;ZHANG Yangyang;QI Yue;WANG Hua;LIU Hongchao;SHEN Jianghan;LIU Zhong-min;* 2009, 30 (8):  786-790.  Abstract ( 2221 )   [Full Text(HTML)] () PDF (474KB) ( 1062 )   A series of zirconium phosphate sulfophenylphosphonates (SZrPP-n) were synthesized and characterized. SZrPP-n possessed a high acidity amount and thermal stability with layered structure. As a solid acid catalyst, SZrPP-n exhibited high catalytic activity and stability for methyl glycolate synthesis from carbonylation of HCHO with CO under mild conditions.

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Synthesis and Reforming of Dimethoxymethane FU Yuchuan;SUN Qing;SHEN Jianyi* 2009, 30 (8):  791-800.  Abstract ( 2239 )   [Full Text(HTML)] () PDF (774KB) ( 1365 )   Recent progress of research on the synthesis and reforming of dimethoxymethane (DMM) is reviewed. DMM could be synthesized directly via the selective oxidation of methanol over acidic and redox bi-functional catalysts, and then reformed to produce H2 for fuel cells over a complex catalyst consisting of a traditional Cu-ZnO/γ-Al2O3 and an acidic carbon material.

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Mixed Conductor Oxygen Permeable Membrane Reactors ZHU Xuefeng*;YANG Weishen* 2009, 30 (8):  801-816.  Abstract ( 2291 )   [Full Text(HTML)] () PDF (27545KB) ( 1290 )   This review gives an intensive discussion on the partial oxidation of methane, oxidative coupling of methane, and oxidative dehydrogenation of ethane in mixed conductor membrane reactors and the development of membrane materials for partial oxidation of methane.

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Technology Development of Ethylbenzene Production from Catalytic Dry-Gas CHEN Fucun;ZHU Xiangxue;XIE Sujuan;ZENG Peng;GUO Zhijun;AN Jie;WANG Qingxia;LIU Shenglin;XU Longya;* 2009, 30 (8):  817-824.  Abstract ( 2412 )   [Full Text(HTML)] () PDF (1698KB) ( 1421 )   Based on the highly efficient catalysts of alkylation and transalkylation invented by Dalian Institute of Chemical Physics, CAS, a series of green and flexible technology, from the first to the fifth generation, for ethylbenzene production via benzene alkylation with dilute ethene in catalytic dry-gas has been developed and commercially applied in a number of refineries successfully.

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Synthesis of Linear Mixed High Alcohols from Syngas over Activated Car-bon-Supported Co-Based Catalysts JIAO Guiping;DING Yunjie;*;ZHU Hejun;LI Xianming;LI Jingwei;DONG Wenda;PEI Yan-peng; 2009, 30 (8):  825-829.  Abstract ( 2421 )   [Full Text(HTML)] () PDF (449KB) ( 1073 )   C1–C18 mixed alcohols can be synthesized from syngas over 15%Co-0.01%K-2%Zr/AC1 catalyst. Aactivated carbon AC1 from coconut shell had abundant oxygen-containing groups, which influenced Co phases and led to the higher selectivity for alcohols. K increased the alcohol selectivity, and Zr enhanced the catalyst activity.

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Hydrogen Production by Aqueous-Phase Reforming of Biomass over Supported Pt Catalysts WEN Guodong;XU Yunpeng;WEI Ying;PEI Renyan;LI Keda;XU Zhusheng;TIAN Zhijian;* 2009, 30 (8):  830-835.  Abstract ( 2434 )   [Full Text(HTML)] () PDF (399KB) ( 1126 )   An acidic support tended to increase hydrocarbon formation due to the dehydration reaction. The hydrogen selectivity and yield for the reforming of glucose decreased with increasing glucose concentration, while selectivity for hydrocarbon had a maximum, which was ascribed to the homogeneous degradation and condensation reactions.

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Hydrocracker Pretreat Catalyst Development Jifei JIA*;Bruce YU;Theo MAESEN;Cecelia RADLOWSKI;Art DAHLBERG;John CREIGHTON;Dave KRENZKE;Dan TORCHIA;Woody SHIFLETT 2009, 30 (8):  836-838.  Abstract ( 2164 )   [Full Text(HTML)] () PDF (273KB) ( 890 )   Chevron Technology Marketing’s hydrocracker pretreat catalyst development is reviewed. ICR 179 and ICR 511 show excellent hydrodenitrogenation (HDN) performance because there are more Type II active sites in the two recently developed catalysts.

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Titanium Dioxide Nanomaterials and Their Energy Applications CHEN Xiaobo* 2009, 30 (8):  839-851.  Abstract ( 2301 )   [Full Text(HTML)] () PDF (4998KB) ( 1263 )   Titanium dioxide nanomaterials play important roles in many renewable energy applications under the irradiation of natural sunlight: they decompose pollutants into CO2, split water into hydrogen, and generate electricity with the assistance of organic dyes. The recent developments in the synthesis and modifications of titanium dioxide nanomateirals have largely promoted their advance in the energy applications.