METHOD FOR PROCESSING SODIUM TUNGSTATE LIQUORS Russian patent published in 1998 - IPC

Abstract RU 2102326 C1

FIELD: non-ferrous metallurgy. SUBSTANCE: proposed method resides in contacting acid sodium tungstate liquor (solution) with salt resulting from interaction of organic acid and trialkylbenzyl ammonium. Tungsten accumulated in organic phase is re-extracted with ammonia solution. EFFECT: high-efficiency commercial method for tungsten recovery from process liquors. 2 tbl

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RU 2 102 326 C1

Authors

Zajtsev V.P.

Marokin O.V.

Khol'Kin A.I.

Chudinov Eh.G.

Bobkov A.V.

Kuznetsov I.P.

Dates

1998-01-20Published

1996-12-04Filed