| 简介 |
The invention relates to a method and a device for separating a (W) at least one valuable material, in particular an element from the group of rare earths, and extraneous substances present (B), in particular contaminating elements, having first aqueous solution (21 ; 41) a raw material in components thereof. The invention is distinguished by that from the first aqueous solution (21 ; 41) (W) by means of a high selectivity of the recycling precipitant (23) separated and the precipitant (23) is recovered. |
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