Method for recovery of metals from spent iron-chrome shift catal

Compositions – Compositions containing a single chemical reactant or plural... – Organic reactant

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423 56, 423 57, 423143, 423145, C09K 300

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044179979

ABSTRACT:
The Abstract of the Invention is a method of making a solution of the nitrates of iron and chromium from a spent catalyst containing oxides of iron and chromium, which method comprises:

REFERENCES:
patent: 1954415 (1934-04-01), Kipper
patent: 3552917 (1971-01-01), Weiss
patent: 4145397 (1979-03-01), Toida et al.

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