Yb2O3 promoted Pt-SO42-/ZrO2-Al2O3 Catalyst in n-Hexane Hydroisomerization

被引:0
作者
Yu, Guo-Xian [1 ,2 ]
Hu, Yang [2 ]
Lin, Dan-Ni [2 ]
Zhou, Xiao-Long [2 ]
Li, Cheng-Lie [2 ]
Chen, Li-Fang [3 ]
Wang, Jin-An [3 ]
机构
[1] Jianghan Univ, Sch Chem & Environm Engn, Wuhan 430056, Peoples R China
[2] East China Univ Sci & Technol, Sch Chem Engn, Shanghai 200237, Peoples R China
[3] Inst Politecn Nacl, ESIQIE, Mexico City 07738, DF, Mexico
来源
ADVANCES IN NEW CATALYTIC MATERIALS | 2010年 / 132卷
关键词
Ytterbia Promotion; Hydroisomerization; n-Hexane; Sulfated Zirconia; Alumina; AL2O3-PROMOTED SO42-/ZRO2 CATALYSTS; SULFATED ZIRCONIA CATALYSTS; SOLID SUPERACID CATALYST; BUTANE ISOMERIZATION; ACID SITES; ALKANES; METAL; IRON; MANGANESE;
D O I
10.4028/www.scientific.net/AMR.132.174
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Effects of ytterbia for Pt-SO42-/ZrO2-Al2O3-Yb2O3 (PSZAY) catalysts in n-hexane hydroisomerization were investigated. It was elucidated that the introduction of ytterbia into Pt-SO42-/ZrO2-Al2O3 (PSZA) increased both the surface area and the number of active sites, resulting in a higher n-hexane isomerization activity. At the same time the catalyst stability has also been markedly increased by alleviating the sulfur loss and by stabilizing ZrO2 tetragonal crystalline structure.
引用
收藏
页码:174 / +
页数:2
相关论文
共 34 条
[1]   ACID SITES IN SULFATED AND METAL-PROMOTED ZIRCONIUM DIOXIDE CATALYSTS [J].
ADEEVA, V ;
DEHAAN, JW ;
JANCHEN, J ;
LEI, GD ;
SCHUNEMANN, V ;
VANDEVEN, LJM ;
SACHTLER, WMH ;
VANSANTEN, RA .
JOURNAL OF CATALYSIS, 1995, 151 (02) :364-372
[2]   Recent advances and future aspects in the selective isomerization of high n-alkanes [J].
Akhmedov, Vagif M. ;
Al-Khowaiter, Soliman H. .
CATALYSIS REVIEWS-SCIENCE AND ENGINEERING, 2007, 49 (01) :33-139
[3]  
Arata K., 1990, Advances in Catalysis, V37, P165
[4]   Alumina-promoted sulfated zirconia system: Structure and microstructure characterization [J].
Canton, P ;
Olindo, R ;
Pinna, F ;
Strukul, G ;
Riello, P ;
Meneghetti, M ;
Cerrato, G ;
Morterra, C ;
Benedetti, A .
CHEMISTRY OF MATERIALS, 2001, 13 (05) :1634-1641
[5]   Sulfated zirconia and iron- and manganese-promoted sulfated zirconia: do they protonate alkanes? [J].
Cheung, TK ;
Gates, BC .
TOPICS IN CATALYSIS, 1998, 6 (1-4) :41-47
[6]   MODIFICATION OF THE CATALYTIC PROPERTIES OF SULFATED ZIRCONIA BY ADDITION OF METAL PROMOTERS [J].
COELHO, MA ;
RESASCO, DE ;
SIKABWE, EC ;
WHITE, RL .
CATALYSIS LETTERS, 1995, 32 (3-4) :253-262
[7]   INORGANIC SOLID ACIDS AND THEIR USE IN ACID-CATALYZED HYDROCARBON REACTIONS [J].
CORMA, A .
CHEMICAL REVIEWS, 1995, 95 (03) :559-614
[8]   SULFATED ZIRCONIA AS A HYDROCARBON CONVERSION CATALYST [J].
DAVIS, BH ;
KEOGH, RA ;
SRINIVASAN, R .
CATALYSIS TODAY, 1994, 20 (02) :219-256
[9]   Isomerization of n-butane over sulfated zirconia catalyst under supercritical conditions [J].
Funamoto, T ;
Nakagawa, T ;
Segawa, K .
APPLIED CATALYSIS A-GENERAL, 2005, 286 (01) :79-84
[10]   New catalyst of SO42-/Al2O3-ZrO2 for n-butane isomerization [J].
Gao, Z ;
Xia, YD ;
Hua, WM ;
Miao, CX .
TOPICS IN CATALYSIS, 1998, 6 (1-4) :101-106