An FT-IR study of the adsorption and reactivity of tert-butyl hydroperoxide over oxide catalysts

被引：25
|
作者：
Gomez Bernal, Hilda [1 ,2 ]
Cedeno Caero, Luis [2 ]
Finocchio, Elisabetta [1 ]
Busca, Guido [1 ]
机构：
[1] Univ Genoa, Lab Catalisi, Dipartimento Ingn Chim & Proc, I-16129 Genoa, Italy
[2] Univ Nacl Autonoma Mexico, Fac Quim, UNICAT, Dept Ingn Quim, Mexico City 04510, DF, Mexico
来源：
APPLIED CATALYSIS A-GENERAL | 2009年 / 369卷 / 1-2期
关键词：
Hydroperoxide; tert-butyl; Tert-butyl-hydroperoxide; Peroxide catalytic oxidation; Vanadia-alumina; Vanadia-zirconia; Alumina; Zirconia; Activation of tert-butyl-hydroperoxide; Oxidation; FT-IR spectroscopy; Infrared spectroscopy; VANADIA-TITANIA CATALYSTS; STRUCTURAL-CHARACTERIZATION; SELECTIVE EPOXIDATION; ALKYL HYDROPEROXIDES; METHANOL OXIDATION; COMPLEXES; OLEFINS; MECHANISM; PEROXIDE; ALCOHOLS;
D O I：
10.1016/j.apcata.2009.08.026
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：
The adsorption of tert-butyl hydroperoxide over zirconia, alumina, vanadia-zirconia and vanadia-alumina catalysts from gas phase has been investigated by FT-IR spectroscopy. The formation of surface tert-butylperoxide species has been observed. These species give rise to different kinds of transformation, producing surface tert-butoxide, formate, acetate and acetone species, to which correspond gas-phase acetone, methanol, isobutene, water and (probably) oxygen. Surface vanadyl species are involved in this chemistry and enhance the rate of these reactions. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：27 / 35
页数：9
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