Catalyst for the direct conversion of methane to higher hydrocar

Details Catalyst for the direct conversion of methane to higher hydrocar Catalyst for the direct conversion of methane to higher hydrocar

1992-03-05

1993-05-18

Shine, W. J.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Silicon containing or process of making

502324, B01J 2106, B01J 2108, B01J 2110, B01J 2334

Patent

active

052121399

ABSTRACT:
A method for preparing a catalyst for conversion of methane to higher hydrocarbons, discloses the steps of forming a mixture of a manganese aqueous solution and an oxidative agent aqueous solution in an inorganic oxide support material; varying a pH value of the mixture between acidic and basic values to obtain a precipitate of manganese oxide; drying the manganese oxide precipitate; impregnating the dried manganese oxide precipitate with a promoter to obtain an impregnated solid; drying the impregnated solid; and calcining the impregnated solid until a surface atomic ratio of promoter to manganese is at least 5. The catalyst so acquired may be contacted with a methane gas to obtain stable conversion values over extended reaction times.

REFERENCES:
patent: 4629718 (1986-12-01), Jones et al.

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