Catalyst for purifying tail gas fro mautomobile by treating nitrogen oxides thereof

Through the reserch and test of the catalyzing property of various single metallic oxides and composite oxides to the NO/CO reaction, the inventors obtain a kind of new type composite meltallic oxides catalyst Re-Ni-Co-Cu-Ox/Fe2O3 which using Fe2O3 as carrier, Re, Ni, Co and Cu as active ingredients...

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Bibliographic Details
Main Authors DAQIANG CANG, CHUNBAO XU, SHENGLI WU
Format Patent
LanguageEnglish
Published 17.06.1998
Edition6
Subjects
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
CRACKING HYDROCARBON OILS
FUELS
LUBRICANTS
METALLURGY
MINERAL WAXES
PEAT
PERFORMING OPERATIONS
PETROLEUM, GAS OR COKE INDUSTRIES
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION
RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES
REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS
REFORMING OF NAPHTHA
SEPARATION
TECHNICAL GASES CONTAINING CARBON MONOXIDE
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:Through the reserch and test of the catalyzing property of various single metallic oxides and composite oxides to the NO/CO reaction, the inventors obtain a kind of new type composite meltallic oxides catalyst Re-Ni-Co-Cu-Ox/Fe2O3 which using Fe2O3 as carrier, Re, Ni, Co and Cu as active ingredients. Said catalyst can be made directly by high temp. roasting. The technological process is simple, the grain strength and catalyzing activity for removing NOx reaction are all good, beside the resistance for sulfur poisoning and anti-collecting carbon property are all good and stable.
Bibliography:Application Number: CN1996114309