concentration by flotation characteristics

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Concentration by Ion Flotation | Nature

The collector and ion are carried to the surface by the bubble, where a froth or scum is produced, depending on whether there is excess surfactant or not. As the froth drains and the bubbles break, the concentration of the collector-ion product increases to form, ultimately, a characteristic scum, often coloured, of insoluble...

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Flotation characteristics of Shenfu coal macerals | SpringerLink

The flotation characteristics of Shenfu coal macerals was researched. Taking flotation recovery and enrichment of macerals as the evaluation objects, the influence of the agent dosage, pulp concentration, impeller speed and aeration rate on the separating effect was investigated. And the optimum process conditions of...

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Gas holdup characteristics in a flotation column with different solids ...

This paper presents the effect of process variables on gas holdup. It was measured by volume expansion method in a continuously operating flotation column using coal and sphalerite. It was observed that addition of both solids reduced gas holdup. Increase in solid concentration and particle size reduced gas holdup. Also...

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Gas holdup characteristics in a flotation column with different solids

This paper presents the effect of process variables on gas holdup. It was measured by volume expansion method in a continuously operating flotation column using coal and sphalerite. It was observed that addition of both solids reduced gas holdup. Increase in solid concentration and particle size reduced gas holdup. Also...

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Basic Principles & Variables Affecting Froth Flotation - 911 Metallurgist

The mineralogical character of the ore determines, in a way, the character of the principal flotation agent or “oil” to be used. ... relations have been proven conclusively for the agitation-froth process and should, therefore, hold for the other pulp-body-concentration processes.

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Froth Flotation Process - 911 Metallurgist

Mar 25, 2017 ... When it became clear that froth flotation could save the 'extremely fine free mineral' in the slime, with a higher recovery than even gravity concentration could make under the most favorable conditions, such as slime-free pulp, froth flotation forged ahead to revolutionize the nonferrous mining industry.

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The Effects of Frothers and Particles on the Characteristics of Pulp ...

Jul 5, 2016 ... and slurry properties (e.g. percent solids), as illustrated in Figure 1. The relationship found in flotation cells is almost linear over the practical range of Jg [11] [12]. In 2-phase systems increasing frother concentration in- creases the gas holdup, Eg, reflecting since the impact of frother on reducing bubble size...

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The critical importance of pulp concentration on the flotation of ...

The Qixia orebody is a complex lead–zinc sulfide system with pyrite gangue and minor amounts of copper. In order to improve the flotation results, laboratory scale flotation testing of ore samples taken from this operation was performed. Flotation tests used a sequential recovery protocol for selective flotation of first the lead...

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Electrostatic concentration of phosphate flotation concentrate ...

The concentration of phosphate flotation concentrate with P2O5 grade lower than the commercially acceptable phosphate quality was upgraded in the use of tribo-electrostatic technique. The concentration of the flotation concentrate stream was conducted under both triboelectrification and inductive charging mechanism.

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Flotation and adsorption of quaternary ammonium salts collectors on ...

Flotation to remove silica from diasporic bauxite is commonly used method to raise A12O3 to SiO2 mass ratio. Reverse flotation, with the characteristics of low collector consumption, low concentration rate and easy to achieve selective coarse grinding-reverse flotation, is becoming a hot topic of desiliconization of bauxite by...

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