Method and plant to recover chromium salts from tannery reflux w

Details Method and plant to recover chromium salts from tannery reflux w Method and plant to recover chromium salts from tannery reflux w

1983-12-06

1986-02-11

Rutledge, L. Dewayne

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group vib metal

75109, C01G 3700

Patent

active

045698309

ABSTRACT:
The present invention refers to a method to recover trivalent chromium salts from reflux water originating from a hide tanning process, via the so-called "chromium" system, including the following steps in succession:

REFERENCES:
patent: 4108596 (1978-08-01), Hemming et al.
patent: 4200527 (1980-04-01), Cassella et al.
patent: 4338200 (1982-07-01), Zeijlstra
patent: 4343706 (1982-08-01), Etzel et al.
patent: 4401573 (1983-08-01), Perrone et al.

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