froth flotation description

FROTH FLOTATION | Wetting | Chemical Compounds - Stibnite froth flotation: A critical review - ScienceDirect

Froth flotation is a surface chemistry based separation process which is extensively used in the processing of mineral ore deposits as a method of separating the desired mineral component from their associated gangue material [17,34]. From: Advances in Colloid and Interface Science, 2005.Dextrin, an intermediate product of starch breakdown, has been employed in stibnite froth flotation. The description on its use has been limited and explicitly reported by some authors for the depression of talc (Davis et al., 1986, Lager and Forssberg, 1989b).

US4268380A - Froth flotation process - Google Patents - Froth Flotation Process - Detailed Explanation With ...

Froth flotation is a process for selectively separating of hydrophobic materials from hydrophilic.This is used in mineral processing, paper recycling and waste-water treatment industries. Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century.An improvement in the froth flotation separation of metallic sulfide mineral ores, particularly those ores bearing copper and molybdenum, in which a mercaptan collector is used in an earlier primary flotation stage, the improvement comprising the addition of activated carbon to achieve deactivation of the mercaptan collector prior to the component mineral separation stage, thereby providing ...

1 Froth Flotation – Fundamental Principles - Flotation Froth - an overview | ScienceDirect Topics

A detailed description is given on page 114. ... Conditions of operation of froth-flotation. Froth-flotation is in general effective only on ores ground to pass 0.3-mm. aperture or less and the agitation-froth and bubble-column processes are most effectively practiced when the bulk of the feed will pass a 0.074-mm. screen. In these latter ...Froth Flotation Froth flotation is one of the most versatile and flexible of all mineral separation processes. Reasonable results are fairly easy to obtain but outstanding performance from a circuit requires constant attention and good understanding of the process and ore. Some of the variables that affect the operation and

ore flotation|rougher flotation|froth flotation equipment - Method for froth flotation - KHAN LATIF A.

Flotation, or more specifically froth flotation, is a physicochemical method of concentrating fine minerals and coal. ... EQUIPMENT DESCRIPTION. Most flotation cells operate in the same manner ...Froth flotation definition is - flotation in which air bubbles are introduced into a mixture of finely divided ore or other material with water and a chemical that aids attachment of the bubbles to the particles of the desired material and its recovery as a froth.

How Froth Flotation was Discovered and Developed - US2302338A - Froth flotation - Google Patents

238000009291 froth flotation Methods 0.000 title description 5 239000003153 chemical reaction reagents Substances 0.000 description 11 239000003995 emulsifying agents Substances 0.000 description 81 Froth Flotation – Fundamental Principles Froth flotation is a highly versatile method for physically separating particles based on differences in the ability of air bubbles to selectively adhere to specific mineral surfaces in a mineral/water slurry. The particles with attached air …

US5096572A - Froth flotation - Google Patents - Froth Flotation | Definition of Froth Flotation by Merriam ...

In these experiments a metallic froth or scum could be produced and recovered assaying 26 oz. silver, 30% lead, and 22% zinc. The appliance employed is illustrated in Fig. 19. Fig. 19. Apparatus for experiments on froth. Up to that time the lead concentrate was the only marketable product from the ordinary water concentration.Froth flotation is a process that selectively separates materials based upon whether they are water repelling (hydrophobic) or have an affinity for water (hydrophilic). Importantly, the word flotation is also used in the literature to describe the process in density separation in which lighter microplastics float to the surface of a salt solution.

Froth flotation - Wikipedia - Froth Flotation Handbook - Mineral Processing & Metallurgy

A froth flotation apparatus includes a gas bubble-particle contact unit including a mixing means for breaking a gas into fine bubbles, such as a packed tower packing or mechanical agitation means, and a separate phase separation unit. A conditioned aqueous pulp containing a mixture of hydrophobic and hydrophilic particles and a substantially inert gas, such as air, are introduced into one end ...Froth flotation is an important concentration process that can be used to selectively separate hydrophobic materials from hydrophilic waste gangue. In a more simple context, froth flotation is one of the most popular operational processes for mineral beneficiation. In ore/mineral beneficiation, froth flotation …

Froth Flotation Process - Mineral Processing & Metallurgy - Gold Flotation - Mineral Processing & Metallurgy

The Froth Flotation Process is about taking advantage of the natural hydrophobicity of liberated (well ground) minerals/metals and making/playing on making them hydrophobic (water-repel) individually to carefully separate them from one another and the slurry they are in. For this purpose we use chemicals/reagents: Frothers (MIBC) is what allows the formation of air bubbles.The invention generally relates to the concentration or beneficiation of minerals and other particulate matter by froth flotation, and more particularly relates to a method and apparatus for concentration or beneficiation of particulate matter separated from undesired waste by means of froth flotation. 2. Brief Description of Related Technology