FIELD: metallurgy.
SUBSTANCE: procedure consists in ion flotation with utilisation of (surface active substance) SAS as collector of anion type. As a collector there is used dodecyl sodium sulphate with concentration corresponding of stoichiometric of reaction: Me+3+3DS-=Me[DS-]3, where Me+3 is cation of yttebrium, DS- is dodecyl sulphate-ion. Also, ion flotation is performed at pH=8.0-8.5.
EFFECT: raised degree of extraction of ytterbium and reduced expenditures for collector.
1 dwg, 1 tbl, 1 ex
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