ION EXCHANGE PROCESS FOR THE RECOVERY AND PURIFICATION OF MATERIALS
Patent
·
OSTI ID:4330485
A process for the recovery of certain metallic ions from aqueous solutions by ion exchange techniques is described. It is applicable to elements such as vanadium, chromium, nnanganese, and the like, which are capable of forming lower valent cations soluble in aqueous solutions and which also form ldgher valent anions soluble in aqueous acidic solutions. For example, small amounts of vanadium occurring in phosphoric acid prepared from phosphate rock may be recovered by reducing the vanadium to a trivalent cation adsorbing; the vanadium in a cationic exchange resin, then treating the resin with a suitable oxidizing agent to convert the adsorbed vanadium to a higher valent state, and finally eluting; the vanadium as an anion from the resin by means of an aqueous acidic solution.
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-12-014394
- Assignee:
- U.S. Atomic Energy Commission
- Patent Number(s):
- US 2830874
- OSTI ID:
- 4330485
- Country of Publication:
- United States
- Language:
- English
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