Process for the production of a rhenium heptoxide/alumina dispro

Details Process for the production of a rhenium heptoxide/alumina dispro Process for the production of a rhenium heptoxide/alumina dispro

1974-10-17

1976-08-10

Gantz, Delbert E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252437, 252461, 260666A, 260677R, 260680R, C07C 362

Patent

active

039742334

ABSTRACT:
A rhenium heptoxide supported on alumina catalyst is prepared by digesting the alumina support with an aqueous solution of ammonium phosphate, ammonium dihydrogen phosphate or diammonium hydrogen phosphate at a temperature in the range ambient to the boiling point of the solution, separating the treated alumina by for example sieving and loading the treated alumina with between 1 and 15% by weight of rhenium heptoxide. The catalyst prepared in this manner is active for the disproportionation of olefinic hydrocarbons.

REFERENCES:
patent: 2441297 (1948-05-01), Stirton
patent: 2938874 (1960-05-01), Rosinski
patent: 3326961 (1967-06-01), Eden et al.
patent: 3342750 (1967-09-01), Kearby
patent: 3423331 (1969-01-01), Eden
patent: 3485889 (1969-12-01), Williams et al.
patent: 3707581 (1972-12-01), Heckelsberg

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