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Preparation of Pd/WO3-ZrO2 solid superacid catalyst and its catalytic performance for N-heptane hydroisomerization
Xu, P; Xu, YP; Teng, F; Hu, S; Tan, MW; Xu, ZS; Tian, ZJ
关键词Palladium Tungsten Oxide Titania Supported Catalyst Heptane Hydroisomerization
刊名CHINESE JOURNAL OF CATALYSIS
2005-09-01
26期:9页:750-754
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]SKELETAL ISOMERIZATION ; MONOLAYER DISPERSION ; TUNGSTEN-OXIDE ; SULFATE ION ; ZIRCONIA ; ISOBUTANE ; ACID ; WO3
英文摘要The WO3-ZrO2 support was synthesized by the coprecipitation method, and the Pd/WO3-ZrO2 solid superacid catalyst was prepared by impregnation. The physicochemical properties of the support and the catalyst were characterized by means of N-2 adsorption, XRD, NH3-TPD and H-2-adsorption. The structure, acid density and activity of the Pd/WO3-ZrO2 catalyst varied with the W content. The catalytic performance of Pd/WO3-ZrO2 for hydroisomerization of n-heptane was investigated under the reaction conditions of n (H-2) /n (n-C7H16 ) = 28, WHSV = 0. 75 h(-1), V(cat) = 0. 5 ml, p = 100 kPa and theta = 150 similar to 410 degrees C. The Pd/WO3-ZrO2 catalyst sample with w (W) = 13.2 % similar to 15.8 % exhibited better performance (X(n-C7H16) = 70.4 %, S (i-C7H16) = 81 . 0 %) at 230 degrees C. The W content, Pd loading and calcination temperature were essential to obtain the catalyst with high catalytic activity.
语种英语
WOS记录号WOS:000232474800007
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/139905
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Nat Gas Utilizat & Appl Catalysis, Dalian 116023, Peoples R China
2.Daqing Petrochem Co, Res Inst, Heilongjiang 163714, Peoples R China
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GB/T 7714
Xu, P,Xu, YP,Teng, F,et al. Preparation of Pd/WO3-ZrO2 solid superacid catalyst and its catalytic performance for N-heptane hydroisomerization[J]. CHINESE JOURNAL OF CATALYSIS,2005,26(9):750-754.
APA Xu, P.,Xu, YP.,Teng, F.,Hu, S.,Tan, MW.,...&Tian, ZJ.(2005).Preparation of Pd/WO3-ZrO2 solid superacid catalyst and its catalytic performance for N-heptane hydroisomerization.CHINESE JOURNAL OF CATALYSIS,26(9),750-754.
MLA Xu, P,et al."Preparation of Pd/WO3-ZrO2 solid superacid catalyst and its catalytic performance for N-heptane hydroisomerization".CHINESE JOURNAL OF CATALYSIS 26.9(2005):750-754.
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