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2 053 027

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Application

5047228/03, 1992-04-16

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Actual filing date

1992-04-16

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Published

1996-01-27

(72)

Inventor

Utjugova T.A.Alekhin A.M.Moiseeva R.N.Struzhkov V.N.Volchenko G.V.Salomatin N.K.Solodova N.P.Bazhenkov N.A.Volozhanin N.F.

(73)

Holder

Primorskoe Proizvodstvennoe Ob"Edinenie Im.50-Letija Sssr

DATOLITE ORE CONCENTRATION METHOD Russian patent published in 1996 - IPC

Abstract RU 2053027 C1

FIELD: concentration of minerals. SUBSTANCE: method involves grinding ore; carrying out main flotation process and two repurifying processes. Each repurifying process involves successive reduction of temperature and acidity of pulp by 2-4 C and 0.2-0.4 pH, respectively, to obtain datolite concentrate having the following content of minerals, % by weight: datolite 80-90; ferriferous minerals (garnet, hedenbergite) 2-10; calcite 3-7; quartz 1-6; siliceous minerals (wollastonite, hisingerite). EFFECT: increased efficiency. 3 tbl

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RU 2 053 027 C1

Authors

Utjugova T.A.

Alekhin A.M.

Moiseeva R.N.

Struzhkov V.N.

Volchenko G.V.

Salomatin N.K.

Solodova N.P.

Bazhenkov N.A.

Volozhanin N.F.

Dates

1996-01-27—Published

1992-04-16—Filed

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