PROCESS FOR PREPARING LIME-SULFUR DECOCTION FOR DEPOSITION OF NONFERROUS METALS Russian patent published in 1994 - IPC

Abstract SU 1476921 A1

FIELD: nonferrous metallurgy. SUBSTANCE: a reagent for the deposition of nonferrous metals is prepared by dissolving sulfur in an aqueous calcium-containing alkaline mixture at 80-90 C and adding an organic matter additive in an amount of 0.05-1.5 l/g of the decoction pulp selected from the group consisting of liquid motor oil, primary aliphatic amine, fatty acid, primary aliphatic amine/fatty acid mixture, butyl aerofloat, butyl xanthogenate. EFFECT: preservation of the quality of reagent during storage and lower amounts used for the production thereof. 8 cl, 2 tbl

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SU 1 476 921 A1

Authors

Evlash Ju.N.

Dmitriev V.G.

Sirkis A.L.

Laptev Ju.V.

Korotkova T.A.

Dates

1994-04-15—Published

1987-08-19—Filed