Effect of silanization on catalytic performance of Pt/SAPO-11 for hydroisomerization of n-dodecane
文献类型：期刊论文
| 作者 | Wang, ZM; Tian, ZJ; Teng, F; Xu, YP; Hu, S; Tan, MW; Xu, ZS; Lin, LW |
| 刊名 | chinese journal of catalysis
 |
| 出版日期 | 2005-09-01 |
| 卷号 | 26期号:9页码:819-823 |
| 关键词 | silanization platinum SAPO-11 zeolite n-dodecane hydroisomerization selectivity |
| 英文摘要 | the effect of silanization of sapo-11 on the hydroisomerization of n-dodecane over pt/sapo-11 catalysts was studied. the sapo-11 support was silanized by the chemical liquid deposition with tetraethoxysilane or tetrachlorosilicane. the pt/sapo-11 catalysts were characterized by x-ray diffraction, n-2 adsorption, nh3-temperature-programmed desorption (tpd) and hydrocracking of 2,2,4-trimethylpentane. n-2 adsorption and nh3-tpd results show that the micropore volume and the acidity of the catalysts are reduced after silanization, and the reaction rates of 2,2,4-trimethylpetane hydrocracking over the catalysts are also reduced. this indicates that the acidic sites on the external surface of sapo-11 are selectively deactivated by silanization. the selectivity for monobranched isomers over pt/sapo-11 is enhanced by silanization, which is ascribed to the shrink of pore mouths of sapo-11 after silanization. moreover, the total hydroisomerization selectivity decreases after silanization. due to the shrink of pore mouths of the silanized catalysts, diffusion limitation to branched products might increase, leading to severe hydrocracking reactions in micropores of the catalysts. |
| 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] | zeolite catalysts ; hydroconversion ; sorption ; alkanes ; decane ; acid |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000232474800020 |
| 公开日期 | 2015-11-10 |
| 源URL | [http://159.226.238.44/handle/321008/139789]  |
| 专题 | 大连化学物理研究所_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.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China 3.Res Inst Daqing Petrochem Co, Heilongjiang 163714, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, ZM,Tian, ZJ,Teng, F,et al. Effect of silanization on catalytic performance of Pt/SAPO-11 for hydroisomerization of n-dodecane[J]. chinese journal of catalysis,2005,26(9):819-823. |
| APA | Wang, ZM.,Tian, ZJ.,Teng, F.,Xu, YP.,Hu, S.,...&Lin, LW.(2005).Effect of silanization on catalytic performance of Pt/SAPO-11 for hydroisomerization of n-dodecane.chinese journal of catalysis,26(9),819-823. |
| MLA | Wang, ZM,et al."Effect of silanization on catalytic performance of Pt/SAPO-11 for hydroisomerization of n-dodecane".chinese journal of catalysis 26.9(2005):819-823. |
入库方式： OAI收割
来源：大连化学物理研究所
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