NICKEL-ALUMINUM-CHROMIUM CATALYST FOR HYDROGENATION OF ORGANIC COMPOUNDS, FOR METHANATION OF CO AND CO AND OTHER PROCESSES, AND METHOD OF PREPARATION THEREOF Russian patent published in 2002 - IPC

Abstract RU 2185240 C2

FIELD: hydrogenation-dehydrogenation catalysts. SUBSTANCE: alumina- supported catalyst containing 20-50% nickel and 10-30% chromium(III) oxide is characterized by that support includes at least one compound of element selected from K, Na, Si, Fe, and Ca in amounts 0.001-0.5 wt.% on conversion to oxides. Catalyst is prepared by mixing nickel, chromium, and aluminum compounds followed by drying, calcination, and reduction. In particular, nitric acid with acid modulus 0.05-1.0 is added to hydrated alumina Al2O3•n H2O, wherein 1.1≤n≤2.0, containing 0.001 to 0.5 wt.% of above-defined element, in amounts of 0.05-1.0 mole nitric acid per 1 mole alumina, after which nickel and chromium compounds are added. EFFECT: simplified technology and increased strength of catalyst. 8 cl, 3 tbl, 14 ex

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RU 2 185 240 C2

Authors

Kladova N.V.

Borisova T.V.

Kachkin A.V.

Makarenko M.G.

Dates

2002-07-20Published

2000-04-24Filed