FIELD: process engineering.
SUBSTANCE: invention relates to dressing of minerals and may be used for increasing dressing efficiency. Proposed method comprises grinding initial material, conditioning it with oxygen-bearing gas to extract foamed product from pulp. Said conditioning is performed in ejector of column flotator. Note here that gas flow rate is defined by the following expression: Vgas =k·Qore ·βpyrrhotite/100, where: Vair is optimum gas flow feed to column flotator ejector, m3/h; k is empirically determined coefficient for determination of said coefficient varying from 4.0 to 7.0; Qore is amount of incoming ore, t/h; βpyrrhotite is content of pyrrhotite in ore, %.
EFFECT: higher efficiency.
5 tbl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR CONCENTRATION OF SULPHIDE PYRRHOTITE-CONTAINING ORES | 2023 |
|
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| METHOD FOR DIRECT SELECTIVE FLOTATION OF LEAD-ZINC ORES | 2019 |
|
RU2713829C1 |
| METHOD OF DRESSING OF SULPHIDIC COPPER-NICKEL PIRRHOTINE-CONTAINING ORES | 2005 |
|
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| METHOD OF SELECTIVE SEPARATION OF PENTLANDITE AGAINST IRON-BEARING MATERIALS AT CONCENTRATION OF SOLID SULFIDE HIGH COPPER-NICKEL GRADES | 2008 |
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| METHOD OF CONCENTRATION OF SULFIDE COPPER-NICKEL ORES | 2003 |
|
RU2254931C2 |
