Process for the elimination of accumulated iron in organic phase

Details Process for the elimination of accumulated iron in organic phase Process for the elimination of accumulated iron in organic phase

1978-06-06

1980-11-25

Cintins, Ivars C.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210688, B01D 1104

Patent

active

042357136

ABSTRACT:
The present invention refers to a process for the elimination of accumulated iron in organic phases of fluid-fluid extraction that contain di-2-ethyl-hexyl phosphoric acid, by means of its treatment by direct contact with an acid aqueous solution of chloride ions, which is subsequently subjected to the action of an anionic ion exchanger that extracts the iron and leaves it iron-free for its re-utilization, and the regeneration of the anionic exchanger by means of treating it with water, purifying the iron from the system in the form of a relatively concentrated ferric chloride aqueous solution.

REFERENCES:
patent: 3082062 (1963-03-01), Preuss
patent: 3574532 (1971-04-01), Schulz et al.

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