In-line regeneration of polythionate poisoned ion exchange resin

Details In-line regeneration of polythionate poisoned ion exchange resin In-line regeneration of polythionate poisoned ion exchange resin

1981-06-04

1983-10-25

Miller, Edward A.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

210668, 210673, 210682, 299 5, 423 17, 423 20, 423514, C01G 4300

Patent

active

044118732

ABSTRACT:
A process is described for minimizing accumulation of undesirable polythionates on an ion exchange resin used to recover uranium values from a leachate from an in situ mining operation by adding sulfite, either as a sulfite salt or as SO.sub.2, directly to the leachate or to the eluant.

REFERENCES:
patent: 2315534 (1943-04-01), Marasco
patent: 2776258 (1957-01-01), Gilliland
patent: 3458440 (1969-07-01), Schmidt
patent: 3692670 (1972-09-01), Burns et al.
patent: 4214791 (1980-07-01), Moore
patent: 4296075 (1981-10-01), Yan
patent: 4298578 (1981-11-01), Yan et al.
patent: 4312838 (1982-01-01), Yan
Nugent, The South African Industrial Chemist, 10, pp. 282-290 (11-1956).

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