| 摘要 |
The continuous process involves, contacting the solution with a homogeneous, orgainc phase comprising a di-(alkylphenyl) phosphoric acid, substantially free of mono (alkylphenyl) phosphoric acid, and an organic solvent selected from aliphatic, and aromatic hydrocarbons or mixts. of these such that after sepn. of the phases the aq. phase is substantially exhausted. The extracting compsn. is novel when the alkyl in the alkyphenyl is 4-12oC. The process is used to recover metal values from acidic solns.(e.g. solns. obtd. from leaching phosphate rocks or used nuclear fuels). It enables total recovery with its extractant being stable and stitable for recycling over long periods.
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