Coke-oven gas methanation catalyst and preparation method thereof

The invention discloses a coke oven gas methanation catalyst, which takes Al2O3 as a carrier, nickel as a main active component, and MgO as an auxiliary agent; wherein: the active component nickel exists in the catalyst in the form of NiO, and the carrier Al2O3 and the auxiliary agent MgO form a car...

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Bibliographic Details
Main Authors QING TAO, HAN XULIANG, SI GUIXIAN, YANG KUANHUI, GUO XIONG
Format Patent
LanguageChinese
English
Published 25.03.2009
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:The invention discloses a coke oven gas methanation catalyst, which takes Al2O3 as a carrier, nickel as a main active component, and MgO as an auxiliary agent; wherein: the active component nickel exists in the catalyst in the form of NiO, and the carrier Al2O3 and the auxiliary agent MgO form a carrier structure of magnesia-alumina spinel; the main components respectively include, by weight percentage: 5 percent to 20 percent of NiO, 30 percent to 80 percent of Al2O3, and 1 percent to 50 percent of MgO. The catalyst has the advantages of high strength, good activity, good thermal stability, excellent anti-coking performance and good low temperature activity, and also has the properties of transforming high hydrocarbon and good anti-oxidation. The invention also discloses a preparation method of the coke oven gas methanation catalyst.
Bibliography:Application Number: CN2008146429