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2 014 151

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Application

4951288/03, 1991-06-27

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Actual filing date

1991-06-27

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Published

1994-06-15

(72)

Inventor

Shubina N.S.Zavidov V.I.Evseev V.S.Shuvalova N.K.Tatarskij A.E.Bukseev V.V.Parshin V.S.

(73)

Holder

Vsesojuznyj Nauchno-Issledovatel'Skij I Konstruktorsko-Tekhnologicheskij Institut Oborudovanija Neftepererabatyvajushchej I Neftekhimicheskoj Promyshlennosti

METHOD FOR FLOTATION OF PHOSPHORITE ORES Russian patent published in 1994 - IPC

Abstract RU 2014151 C1

FIELD: useful minerals enrichment. SUBSTANCE: preliminary raw materials are conditioned with adjusters and with carboxyl and apolar collecting agent, then phosphorus-containing minerals are isolated. Mixture containing vat residue of synthetic fatty acids production (its quantity being 60-95 mass %) and petroleum aromatic oil (its quantity being 5-40 mass %) is used as carboxyl collecting agent. Mentioned above petroleum oil has molecular weight 160-310, it contains 48-59 mass % of saturated hydrocarbons and 41-52 mass % of aromatic hydrocarbons and resins. EFFECT: improves efficiency of the method. 2 cl, 3 tbl

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RU 2 014 151 C1

Authors

Shubina N.S.

Zavidov V.I.

Evseev V.S.

Shuvalova N.K.

Tatarskij A.E.

Bukseev V.V.

Parshin V.S.

Dates

1994-06-15—Published

1991-06-27—Filed

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