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IPC

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Application

5043113/02, 1992-05-21

(22)

Actual filing date

1992-05-21

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Published

1994-03-15

(72)

Inventor

Gavrilenko A.F.Shestakova R.D.Naftal' M.N.Kropachev G.A.Markov Ju.F.Rozenberg Zh.I.Nikolaev Ju.M.Bakaj V.P.Vashkeev V.M.Kozlov S.G.

(73)

Holder

Naftal' Mikhail Naftol'Evich

NONFERROUS METAL PRECIPITATION PROCESS CONTROL METHOD Russian patent published in 1994 - IPC

Abstract RU 2009224 C1

FIELD: nonferrous metallurgy. SUBSTANCE: method involves determining nickel concentration in solution sample after precipitation and sampling with subsequent determining of nickel concentration after expiration of 0.1-0.3 of precipitation time; calculating the difference between concentration values of the first and second determinations. Upon obtaining negative value of difference, consumption of primer should be increased; when positive value of difference is obtained, consumption of primer should be reduced. The primer is fed in combination with polysulfidethiosulfate precipitator in an amount directly proportional to the difference obtained. EFFECT: reduced consumption of precipitator and decreased loss of non ferrous metals with flotation tailings. 1 dwg

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RU 2 009 224 C1

Authors

Gavrilenko A.F.

Shestakova R.D.

Naftal' M.N.

Kropachev G.A.

Markov Ju.F.

Rozenberg Zh.I.

Nikolaev Ju.M.

Bakaj V.P.

Vashkeev V.M.

Kozlov S.G.

Dates

1994-03-15—Published

1992-05-21—Filed

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