CiteSeerX - Document Details Isaac Councill, Lee Giles, Pradeep Teregowda: The effect of ions the xanthate-induced of -activated pyrite has been studied. Various techniques have been used to identify the plausible mechanisms of interaction of with both collector and pyrite surface. It was found that depressed the xanthate-induced of ...

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    It was f ound that sulphite depressed the xanthateinduced flotation of copper-activated pyrite with nitrogen or air purging at pH 7. However, the depression effect was greater when air was used. Solution and spectroscopic studies indicated that sodium bisulphite interacted with the pyrite surface, as well as with is obutyl xanthate in solution and its adsorbed state.

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    Na 2 SO 3 is a white, water-soluble, crystalline solid with a sulfurous, salty taste.It decomposes when heated. It is generally available f in powder, crystalline, and tablet forms. is yet another dechlorinating agent widely used by utilities.

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    In response to the high recovery in using seawater, this study investigated the role of metabisulphite MBS, a widely used depressant, in depressing the flotation of copper-activated to identify a solution to maximising rejection.

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  • FROTH FLOTATION : RECENT TRENDS Flotation of Sulphide …

    As regards other reagents used in sulphide , depressants like cyanide, ZnSO4, meta bi- are common. Effectiveness of depressant also depends on concentration and selection of collectors. In case of cyanide as iron sulphide depressant there is a relationship between concentration of collector and cyanide ion present.

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    selectivity galena chalcopyrite INTRODUCTION In the of minerals from a complex sulphide ore, the choice of method may be sequential, almost invariably in the order , then lead, and finally zinc. Bulatovic and Wyslouzil [1] reviewed the reagents and operating conditions used in sequential ...

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  • US4514292A - Froth flotation process - Google Patents

    US4514292A US06/550,163 US55016383A US4514292A US 4514292 A US4514292 A US 4514292A US 55016383 A US55016383 A US 55016383A US 4514292 A US4514292 A US 4514292A Authority US United States Prior art keywords coal depressant salt Prior art date 1983-11-09 Legal status The legal status is an assumption and is not a legal conclusion.

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    US7004326B1 US10/960,527 US96052704A US7004326B1 US 7004326 B1 US7004326 B1 US 7004326B1 US 96052704 A US96052704 A US 96052704A US 7004326 B1 US7004326 B1 US 7004326B1 Authority US United States Prior art keywords slurry minerals nickel addition Prior art date 2004-10-07 Legal status The legal status is an assumption and is not a legal conclusion.

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  • The use of sodium sulphite to improve the flotation ...

    The use of to improve the selectivity between chalcopyrite and galena in a complex sulphide ore

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