Method of dissolving iron oxide-chrome oxide spent shift catalys

Details Method of dissolving iron oxide-chrome oxide spent shift catalys Method of dissolving iron oxide-chrome oxide spent shift catalys

1982-05-24

1983-10-18

Garvin, Patrick

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

423395, 423 53, 423150, 502 24, C09K 300

Patent

active

044104430

ABSTRACT:
A method of preparing a solution of the nitrate of iron and mixed chromium from a spent iron oxide-chrome oxide shift catalyst which comprises dissolving said spend iron oxide-chrome oxide shift catalyst with nitric acid in the presence of from 5-25% by weight of the catalyst of an additive selected from the group consisting of ferrous sulfate and sodium thiosulfate.

REFERENCES:
patent: 4305846 (1981-12-01), Jennings

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