common agent in froth flotation method

WO2011089572A1

The invention relates to a multifunctional flotation agent having collection and frothing functions, for a froth flotation method for the recovery of commercially valuable metals from minerals, said agent consisting of organic residues selected from the group consisting of biosolids from wastewater treatment plants, organic mud from biogas production systems, hydrosoluble organic matter from ....

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Chelating reagents for flotation

Chelating reagents were proposed as flotation collectors by Italian CNR researchers in 1971 (Usoni et al, 1971) This work has established the possibility of floating various minerals with a collecting system formed by a chelating agent selective towards a mineral surface cation and a fuel oil which renders hydrophobic the chemiadsorbed phase ....

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What is the forth flotation method?

Aug 29, 2018· Froth flotation process: i) The froth flotation process is based on the principle of difference in the wetting properties of the ore and gangue particles with water and oil ii) It is used for the extraction of those metals in which the ore partic....

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US4725351A

A new froth flotation collecting agent and an improved flotation process for beneficiating silica-containing ores, particularly phosphate ores, are provided In the process, silica particles are selectively separated, by froth flotation, as a froth phase from mineral particles, particularly phosphate particles, remaining in an aqueous concentrate phase in the presence of a silica-activating ....

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What is the gold froth flotation process?

Gold flotation process is based on the difference of physical and chemical properties of the ore surface, and is processed by flotation reagent to make the useful mineral adhere to the bubble to achieve the purpose of gold extraction Gold Flotati....

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Flotation and Frothing Agents

Froth Flotation physico-chemical method of concentrating involves use of chemicals to create favorable conditions for attachment of mineral particles to air bubbl air bubbles carry the mineral particles to a stable froth...

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US3265211A

US3265211A US288876A US28887663A US3265211A US 3265211 A US3265211 A US 3265211A US 288876 A US288876 A US 288876A US 28887663 A US28887663 A US 28887663A US 3265211 A US3265211 A US 3265211A Authority US United States Prior art keywords flotation amine gilsonite froth ore Prior art date 1963-06-19 Legal status (The legal status is an assumption and is not a legal ,...

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What is the flotation foaming agent?

Flotation foaming agent, also known as flotation frothers, is an essential flotation agent for froth flotation The role of flotation foaming agent is mainly to produce a large amount of foam in the pulp, so that the available minerals are effecti....

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Deinking

Deinking is the industrial process of removing printing ink from paperfibers of recycled paper to make deinked pulp The key in the deinking process is the ability to detach ink from the fibers This is achieved by a combination of mechanical action and chemical means In Europe the most common process is froth flotation deinking...

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CPC Definition

Sodium silicate is a common flocculating agent Flotation (Also known as froth flotation) A separation process whereby water and chemicals are added to a mixture of solids to form a pulp while developing differences in surface tension between the various species in the solids mixture...

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Froth Flotation

Froth Flotation 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]...

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7 Factors Affecting Froth Flotation Process

You may interest in Froth Flotation Method Overview 1 Grinding Particle Size Both large ore particles (larger than 01mm) and small ore particles (less than 0006mm) affect flotation efficiency and mineral recovery , The flotation agent should maintain a certain mass fraction in the pulp to have a good flotation effect When the pulp is ....

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FROTH COLLAPSE DE

FROTH COLLAPSE DE-AERATION METHOD FOR FLOTATION CONCENTRATES , The accumulation of froth on the surface of thickeners is a common problem-air bubbles attached to mineral particles are difficult ....

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Flotation Reagent

861 Froth Flotation There are various methods available for cleaning fine coal, of which froth flotation has become the most common practice Froth flotation depends on differences in surface properties between coal and shale Air bubbles are generated within an aqueous suspension of fine raw coal with a solids concentration of less than 10%...

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FROTHING AGENTS FOR THE FLOATATION OF ORES

Jan 16, 1973· Following conditioning, a concentrate was removed from a commercial laboratory flotation cell in 7 minutes of frothing In each example, the frothing agent was employed in the amount required to give equal volumes of froth, thereby evaluating the effectiveness of the different frothers...

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Froth flotation

Froth flotation Optimization of flotation separation using interfacial chemical methods Flotation has become established as an efficient solid-liquid separating method in ore processing and for the separation of colored pigments (de-inking) in paper recycling...

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US4687571A

A process for the separation of phosphate minerals from a phosphate-carbonate ore, by flotation, wherein a phenol polymer such as a resol or a novolak, which improves the yield and selectivity of the phosphate minerals with respect to the carbonate minerals, is used in addition to a collector agent in the flotation...

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Flotation Froth

Since plastics are generally hydrophobic materials, froth flotation has successfully been used for the separation of plastic materials 5,137 5 137 For example, two plastic materials which are buoyant in a specific liquid phase can be separated from one another by the addition of a wetting agent which selectively adsorbs to one of the plastics and not the other...

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Flotation Frothers

The bubble will continue to rise until it reaches the surface and flows over the side of the cell While the bubble is rising lets change the different variables and see what effect they have on the bubble As the name froth flotation would cause us to expect, an important class of chemical reagents is frothing agents...

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MAGNETIC SEPARATION

Mar 20, 2014· Then froth floatation method is used Mostly this is used to concentrate sulphide minerals , A frothing agent like sodium ethyl xanthate is mixed Then froth is ,...

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Froth Flotation Process

Froth flotation is considered to be the most widely used method for ore beneficiation In ore beneficiation, flotation is a process in which valuable minerals are separated from worthless material or other valuable minerals by inducing them to gather in and on the surface of a froth layer...

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Froth Flotation Method

Dec 20, 2018· The froth flotation method is widely used to treat various veins of gold and silver ores for the following reasons: (1) In most cases, the froth flotation process can enrich gold and silver in sulfide concentrate to the greatest extent and discard a large number of ,...

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Flotation Reagents

This data on chemicals, and mixtures of chemicals, commonly known as reagents, is presented for the purpose of acquainting those interested in froth flotation with some of the more common reagents and their various us Flotation as a concentration process has been extensively used for a number of years However, little is known of it as an exact science, although, various investigators have ....

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Froth flotation

Froth flotation is a process for selectively separating hydrophobic materials from hydrophilicThis is used in mineral processing, paper recycling and waste-water treatment industri Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century...

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Froth Flotation 101

Feb 10, 2018· https://911metallurgist/froth-flotation-101/ A short Froth Flotation Course with Technique, Method & Procedure by a true expert...

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