FIELD: precious metal hydrometallurgy.
SUBSTANCE: rhenium-loaded sorbent is treated with 4-5 M hydrochloric acid in contact with another sorbent, in particular solid extractant containing asymmetric phosphine oxide, after which sorbent is separated from mixture and treated with ammonia or ammonium carbonate solution.
EFFECT: combined rhenium desorption and eluate purification operations.
7 ex
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| 0 |
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SU511963A1 |
