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Hydroisomerization performance of platinum supported on ZSM-22/ZSM-23 intergrowth zeolite catalyst
Chi Kebin1,2; Zhao Zhen1; Tian Zhijian3; Hu Sheng2; Yan Lijun2; Li Tianshu1; Wang Bingchun3; Meng Xiangbin2; Gao Shanbin2; Tan Mingwei2; Liu Yanfeng2
关键词Zsm-22/zsm-23 Intergrowth Zeolite Platinum Catalyst N-dodecane Hydroisomerization
刊名PETROLEUM SCIENCE
2013-06-01
DOI10.1007/s12182-013-0273-6
10期:2页:242-250
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology
类目[WOS]Energy & Fuels ; Engineering, Petroleum
研究领域[WOS]Energy & Fuels ; Engineering
关键词[WOS]N-HEXADECANE HYDROISOMERIZATION ; HIGH-SILICA ZEOLITE ; PT/SAPO-11 CATALYST ; FRAMEWORK TOPOLOGY ; MOLECULAR-SIEVES ; HYDROCRACKING ; BALANCE ; ALKANES ; HEPTANE ; ACID
英文摘要Hydroisomerization catalysts Pt/ZSM-22, Pt/ZSM-23, and Pt/ZSM-22/ZSM-23 were prepared by supporting Pt on ZSM-22, ZSM-23, and intergrowth zeolite ZSM-22/ZSM-23, respectively. The typical physicochemical properties of these catalysts were characterized by X-Ray Diffraction (XRD), N2 absorption-desorption, Pyridine-Fourier Transform Infrared (Py-FTIR), Transmission Electron Microscopy (TEM), X-Ray Fluorescence (XRF), Scanning Electron Microscopy (SEM) and NH3-Temperature Programmed Desorption (NH3-TPD), and the performance of these catalysts in n-dodecane hydroisomerization was evaluated in a continuous down-flow fixed bed with a stainless steel tubular reactor. The characterization results indicated that the intergrowth zeolite ZSM-22/ZSM-23 possessed the dual structure of ZSM-22 and ZSM-23, and the catalyst Pt/ZSM-22/ZSM-23 had similar pores and weak acidity to Pt/ZSM-22 and Pt/ZSM-23 catalysts. Moreover, Pt/ZSM-22/ZSM-23 catalyst showed a high selectivity in hydroisomerization of long chain n-alkanes to mono-branched isomers. The evaluation results for n-dodecane hydroisomerization indicated that the activity of Pt/ZSM-22/ZSM-23 was the lowest, while the hydroisomerization selectivity was the highest among the three catalysts. The maximum yield of i-dodecane product was 68.3% over Pt/ZSM-22/ZSM-23 at 320 A degrees c.
语种英语
WOS记录号WOS:000319074500013
引用统计
被引频次:10[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/321008/137764
专题中国科学院大连化学物理研究所
作者单位1.China Univ Petr, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
2.PetroChina Co Ltd, Petrochem Res Inst, Beijing 100195, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Liaoning, Peoples R China
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Chi Kebin,Zhao Zhen,Tian Zhijian,et al. Hydroisomerization performance of platinum supported on ZSM-22/ZSM-23 intergrowth zeolite catalyst[J]. PETROLEUM SCIENCE,2013,10(2):242-250.
APA Chi Kebin.,Zhao Zhen.,Tian Zhijian.,Hu Sheng.,Yan Lijun.,...&Liu Yanfeng.(2013).Hydroisomerization performance of platinum supported on ZSM-22/ZSM-23 intergrowth zeolite catalyst.PETROLEUM SCIENCE,10(2),242-250.
MLA Chi Kebin,et al."Hydroisomerization performance of platinum supported on ZSM-22/ZSM-23 intergrowth zeolite catalyst".PETROLEUM SCIENCE 10.2(2013):242-250.
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