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Title: Composite catalyst for carbon monoxide and hydrocarbon oxidation

A method and composition are disclosed for the complete oxidation of carbon monoxide and/or hydrocarbon compounds. The method involves reacting the carbon monoxide and/or hydrocarbons with an oxidizing agent in the presence of a metal oxide composite catalyst. The catalyst is prepared by combining fluorite-type oxygen ion conductors with active transition metals. The fluorite oxide, selected from the group consisting of cerium oxide, zirconium oxide, thorium oxide, hafnium oxide, and uranium oxide, and may be doped by alkaline earth and rare earth oxides. The transition metals, selected from the group consisting of molybdenum, copper, cobalt, manganese, nickel, and silver, are used as additives. The atomic ratio of transition metal to fluorite oxide is less than one.
Inventors:
;
Issue Date:
OSTI Identifier:
203875
Assignee:
Massachusetts Inst. of Tech., Cambridge, MA (United States) PTO; SCA: 540120; 330702; 330704; PA: EDB-96:061242; SN: 96001559457
Patent Number(s):
US 5,500,198/A/
Application Number:
PAN: 8-142,519
Contract Number:
FG22-92PC92534
Resource Relation:
Other Information: PBD: 19 Mar 1996
Research Org:
Massachusetts Institute of Technology
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; 33 ADVANCED PROPULSION SYSTEMS; CARBON MONOXIDE; OXIDATION; HYDROCARBONS; CATALYSTS; CHEMICAL PREPARATION; CHEMICAL COMPOSITION; FLUORINE OXIDES; CERIUM OXIDES; ZIRCONIUM OXIDES; THORIUM OXIDES; HAFNIUM OXIDES; URANIUM OXIDES

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