| 简介 |
FIELD : technology of non-ferrous, rare and trace rare metals.
SUBSTANCE : proposed method includes extraction and separation of arsenic by organic extracting agent. Extracting agent is prepared from mixture of dialkyl methyl phosphonate in the amount of 40-70% with trialkyl amine in the amount of 20-30 vol-% and inert diluting agent in the amount of 10-30%. At extraction, arsenic changes to organic phase.
EFFECT : increased degree of extraction of arsenic (+5); enhanced selectivity and economical efficiency.
5 tbl, 6 ex |
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