Ethylene hydrogenation over catalysts formed by oxidation of intermetallic compounds

Journal Article · Thu Nov 27 04:00:00 EST 1980 · J. Phys. Chem.; (United States)

DOI:https://doi.org/10.1021/j100461a001· OSTI ID:6627015

Imamura, H; Wallace, W E

The intermetallic compounds (LaNi/sub 5/, CeNi/sub 5/, PrNi/sub 5/, ThNi/sub 5/, ThFe/sub 5/, and ThCo/sub 5/) readily react with oxygen. Examination of the oxidized materials by using x-ray diffraction showed that they consisted of a mixture of transition metal and rare earth oxide (or ThO/sub 2/). The transition metals exhibited particle sizes ranging from 90 to 350A, as estimated by x-ray diffraction line broadening. These mixtures exhibited high catalytic activity for the hydrogenation of ethylene compared to oxide-supported catalysts prepared by the conventional impregnation method, with turnover frequencies higher for the former materials by an order of magnitude. The oxidation process is a novel means of producing very active supported catalysts.

• Research Organization: Univ. of Pittsburgh, PA
• OSTI ID: 6627015
• Journal Information: J. Phys. Chem.; (United States), Journal Name: J. Phys. Chem.; (United States) Vol. 84:24; ISSN JPCHA
• Country of Publication: United States
• Language: English

Related Subjects

090110* -- Hydrocarbon Fuels-- Properties-- (1979-1989)
10 SYNTHETIC FUELS
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
400201 -- Chemical & Physicochemical Properties
400702 -- Radiochemistry & Nuclear Chemistry-- Properties of Radioactive Materials
ACTINIDES
ALKENES
ALLOYS
CATALYSTS
CATALYTIC EFFECTS
CERIUM
CHEMICAL REACTIONS
COBALT
DATA
ELEMENTS
ETHYLENE
EXPERIMENTAL DATA
HYDROCARBONS
HYDROGENATION
INFORMATION
INTERMETALLIC COMPOUNDS
IRON
LANTHANUM
METALS
NICKEL
NUMERICAL DATA
ORGANIC COMPOUNDS
OXIDATION
PRASEODYMIUM
RARE EARTHS
THORIUM
TRANSITION ELEMENTS