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Solution Concentration Froth Floatation For Copper

Apr 02 2020018332For example a The ore of aluminium bauxite is concentrated by this method The bauxite ore is contaminated with impurities of silica SiO 2 iron oxides Fe 2 O 3 titanium oxide TiO 2 etc b Concentration is carried out by digesting powdered ore with a concentrated solution of sodium hydroxide at 473 523 K and 3536 bar pressure c In this process Al 2 O 3 dissolves in alkali

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