Gold Cyanidation Circuits

Gold recovery by gravity & froth flotation & whole ore Cyanidation Circuit leaching of float tailings

The principle of dissolving gold and silver values in solutions of potassium or sodium cyanide is old and has been thoroughly carried out in practice for many years. There have been only a few changes in the chemical procedure and also few changes in the type of equipment used. The gold and silver are dissolved […]

Basic Principles & Variables Affecting Froth Flotation

Basic Principles of Froth Flotation

The basic factors, principles and variables affecting froth flotation are enumerated in condensed form below: Ore. (a) Mineralogical character. (b) Fineness of grinding. (c) Method of grinding. Agents. (a) Principal flotation agent. (“Oil”) α Character. β Quantity. (b) Minor agent. α Character. β Quantity. Water. (a) Quantity with respect to solids, i.e. pulp thickness. (b) […]

Flotation Principles

Loop

Flotation, in its latest phase, is a process of concentrating ores by frothing. When crushed ore, previously mixed with water and a relatively minute addition of oil, is agitated violently in the presence of air, a froth is formed. This froth, rising to the surface of the liquid mixture, is laden with sulphides or other […]

Flotation Deinking Paper Recycling De-Inking Waste Paper

Paper De-inking by Flotation Process

The pulping consisted of disintegration of the wastepaper structure and dispersion of the fibers. The disintegration was accomplished by conditioning 250 grams of wastepaper, under moderate agitation, with hot steam (84 to 90 °C), de-ionized water and reagent as desired. After disintegration the pulp was further dispersed in a high speed blender. All pulping experiments […]