Process for the removal of iron cyanide complex or complexes fro

Details Process for the removal of iron cyanide complex or complexes fro Process for the removal of iron cyanide complex or complexes fro

Filed on

1985-12-30

Date issued

1987-03-31

Examiner

Fisher, Richard V.

Patent Class

Liquid purification or separation

SubClass

Processes

SubSubClass

Chemical treatment

Other Related Categories

210904, 423140, 423366, 423367, 423659, 423236, C02F 102

Type

Patent

Status

active

Patent number

046541489

Description

ABSTRACT:
A process for removal of iron cyanide complex or complexes from a solution is described, the process being characterized by contact of the solution containing the complex or complexes with ammonium polysulfide or sodium polysulfide, or a mixture thereof, at a temperature of from about 110.degree. C. to about 180.degree. C.

REFERENCES:
patent: 4505881 (1985-03-01), Diaz
patent: 4508683 (1985-04-01), Doll et al.

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