VIBRATIONAL INFRARED SPECTROSCOPIC STUDIES OF 1-BUTENE SKELETON ISOMERIZATION AT THE SURFACE OF A SILICATED ALUMINA IN A MICRO PLUG FLOW REACTOR

被引:16
作者
BASINI, L
ARAGNO, A
RAFFAELLI, A
机构
[1] Snamprogetti S.p.A., 20097 San Donato Milanese, Milano
关键词
D O I
10.1021/j100154a042
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 skeletal isomerization of 1-butene to obtain 2-methylpropene is catalyzed by the interaction at high temperatures with solids having acidic properties. The nature of the solid-gas interaction is investigated through some vibrational infrared spectroscopic experiments aimed at highlighting the perturbation of the surface molecular groups and the formation of surface complexes on a silicated alumina under different conditions of pressure and temperature. The spectra recorded during the interactions lead us to propose that the catalytic isomerization occurs through a temperature-dependent proton-transfer equilibrium between an OH surface group and an H-bonded internal olefin.
引用
收藏
页码:211 / 218
页数:8
相关论文
共 59 条
[11]  
BUONOMO F, 1977, Patent No. 4013590
[12]   FOURIER TRANSFORM-INFRARED STUDY OF THE ADSORPTION OF UNSATURATED AND AROMATIC-HYDROCARBONS ON THE SURFACE OF ALPHA-FE2O3 .1. ETHYLENE [J].
BUSCA, G ;
ZERLIA, T ;
LORENZELLI, V ;
GIRELLI, A .
JOURNAL OF CATALYSIS, 1984, 88 (01) :125-130
[13]   ADSORPTION AND OLIGOMERIZATION OF ISOBUTENE ON OXIDE CATALYST SURFACES - A FOURIER-TRANSFORM INFRARED STUDY [J].
BUSCA, G ;
RAMIS, G ;
LORENZELLI, V .
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS I, 1989, 85 :137-146
[14]   FT-IR STUDY OF MOLECULAR-INTERACTIONS OF OLEFINS WITH OXIDE SURFACES [J].
BUSCA, G ;
RAMIS, G ;
LORENZELLI, V ;
JANIN, A ;
LAVALLEY, JC .
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY, 1987, 43 (04) :489-496
[15]  
BUSCA G, 1986, J MOL STRUCT, V14, P395
[16]  
BUSCA G, 1989, LANGMUIR, V5, P917
[17]   FOURIER-TRANSFORM INFRARED STUDY OF BUTENE ADSORPTION AND REACTION ON A SILICA-SUPPORTED NICKEL-CATALYST [J].
CAMPIONE, TJ ;
EKERDT, JG .
JOURNAL OF CATALYSIS, 1986, 102 (01) :64-79
[18]  
CARTER JL, 1986, J PHYS CHEM-US, V70, P1126
[19]   SURFACE INFRARED-SPECTROSCOPY [J].
CHABAL, YJ .
SURFACE SCIENCE REPORTS, 1988, 8 (5-7) :211-357
[20]  
CHANG CC, 1972, J PHYS CHEM-US, V76, P2699