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fine particles flotation patent

fine particles flotation patent

Froth flotation of fine particles - Google Patents

- Google Patents Additive composition for use in separating particles of a desired material from particles of an undesired material in a froth flotation process using a frother. The composition...

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CA2064383A1 - Froth flotation of fine particles - Google ...

ABSTRACT Particles of a desired mineral are separated from an aqueous slurry containing the desired particles and particles of an undesired mineral by adding a collector, a frother and an alkylated polymer of vinylpyrrolidone, and then floating off the desired particles in a froth flotation cell. LS/BW/20.3.92 F39/P00331GB.Abs

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US5217604A - Froth flotation of fine particles - Google ...

Particles of a desired mineral are separated from an aqueous slurry containing the desired particles and particles of an undesired mineral by adding a collector, a frother and an alkylated polymer of vinylpyrrolidone, and then floating off the desired particles in a froth flotation cell.

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GB9106747D0 - Froth flotation of fine particles - Google ...

fine particles froth flotation froth flotation fine Prior art date 1991-03-28 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Pending Application number GB919106747A Current Assignee (The listed assignees may be inaccurate. Google has not performed a ...

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US Patent for Froth flotation of fine particles Patent ...

Justia Patents Froth-flotation Or Differential Adherence US Patent for Froth flotation of fine particles Patent (Patent # 5,304,317) Froth flotation of fine particles . Nov 23, 1992 - Fospur Limited. Additive composition for use in separating particles of a desired material from particles of an undesired material in a froth flotation process using a frother. The composition includes an ...

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US Patent for Froth flotation of fine particles Patent ...

Justia Patents With Modifying Agents US Patent for Froth flotation of fine particles Patent (Patent # 5,217,604) Froth flotation of fine particles . Mar 25, 1992 - Fospur Limited. Particles of a desired mineral are separated from an aqueous slurry containing the desired particles and particles of an undesired mineral by adding a collector, a frother and an alkylated polymer of vinylpyrrolidone ...

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WO2016048793A1 - Flotation separation of fine coal ...

Coal fines are processed by flotation separation to separate coal particles from ash-forming component particles. Coal fines are mixed water under high shear mixing conditions to form an aqueous slurry of coal fines containing between 15 wt.% and 55 wt.% coal fines. The aqueous slurry is introduced into a coal flotation cell to separate coal particles from ash-forming component particles by ...

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US4981582A - Process and apparatus for separating fine ...

- Google Patents A method and apparatus are disclosed for the microbubble flotation separation of very fine particles, especially coal, so as to produce a high purity and large recovery efficiently.

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fine particles flotation patent - MC World

fine particles flotation patent 2019-10-31T23:10:38+00:00 US Patent for Froth flotation column Patent (Patent ... A flotation chamber separates fine kaolin particles or the like by flotation out of a slurry. A generally cylindrical column has an inlet for injecting slurry into the column, a froth launder at an upper end of the column, and a tailings outlet at the lower end of the column. A ...

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fine particles flotation patent - terredevignes.fr

fine particles flotation patent. Get Solutions Quotation. Multi-Stage Flotation for the Removal of Ash from Fine . Centrifugal force, as in air-sparged hydrocyclones, has been widely used for the separation of fine particles by Miller's group [10,11,12,13,14]. Air-sparged hydrocyclone (ASH) minimizes the entrainment of gangue materials via an increase in the fine particle flotation rate and ...

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Froth flotation of fine particles - Fospur Limited

Froth flotation of fine particles . United States Patent 5304317 . Abstract: Additive composition for use in separating particles of a desired material from particles of an undesired material in a froth flotation process using a frother. The composition includes an alkylated polymer of vinylpyrrolidone and a liquid carrier comprising the frother. Inventors: Barwise, Christopher H. (Fording ...

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fine particles flotation patent - MC World

fine particles flotation patent 2019-10-31T23:10:38+00:00 US Patent for Froth flotation column Patent (Patent ... A flotation chamber separates fine kaolin particles or the like by flotation out of a slurry. A generally cylindrical column has an inlet for injecting slurry into the column, a froth launder at an upper end of the column, and a tailings outlet at the lower end of the column. A ...

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fine particles flotation patent

2021-02-11  Patent US3794159 - Process for flotation of . Process for flotation of large size mineral particles which comprises mixing the turbid liquid which is to be subjected to flotation with a fine particle size weighting agent by which the large size particles are made more buoyant and are on treatment with air bubbles more easily floated out.

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Fine Particles Flotation Patent - cipref-bourgogne.fr

A method and apparatus are disclosed for the microbubble flotation separation of very fine particles, especially coal, so as to produce a high purity and large recovery efficiently. This is accomplished through the use of a high aspect ratio flotation column, microbubbles, and a countercurrent use of wash water to gently wash the froth. Contact Supplier. Flotation Principles - Mineral ...

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Fine Particles Flotation Patent - mayukhportfolio.co

Fine Particles Flotation Patent. Analytics for US Patent No. 4,981,582, Process and ... A method and apparatus are disclosed for the microbubble flotation separation of very fine particles, especially coal, so as to produce a hi. Read more. Process For Recovering Fine Particulates In A Centrifugal ... Process For Recovering Fine Particulates In A Centrifugal Flotation Cell With Rotating Drum ...

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Fine Particles Flotation Patent

fine particles flotation patent - lunarossa-ristorante.eu. fine particles flotation patent. Free Chat Online. Froth flotation - Wikipedia. Froth flotation is a process for selectively separating ... Callow applied for a patent in ... the ore to be treated is reduced to fine particles by crushing ... Process and apparatus for separating fine particles by ... Process and apparatus for separating ...

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US Patent for Carrier particle for the froth flotation of ...

The carrier particles of this invention should have a particle size and a density which are suitable for selectively beneficiating the finely sized mineral ore particles by froth flotation and have a surface treated with a condensation product, or acid derivative of a condensation product, of an alkanolamine with a fatty acid, a fatty acid ester, a dibasic fatty acid or a tribasic fatty acid ...

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fine particles flotation patent - jkart.cz

Process and apparatus for separating fine particles by . Froth flotation is shown in Bacon, US Pat No 4,472,271 That patent shows the treatment of fine clays or ores having particles smaller than 010 microns to remove equal or smaller size contaminants and is specifically addressed to Kaloin clays to remove 8090% or more of the discoloring titanium dioxide impurity

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US Patent for Process for recovering fine particulates in ...

A user-friendly centrifugal flotation cell with a rotating drum, is provided for use in an efficient separation process to rapidly recover greater quantities of valuable fine particles. In the process, a slurry of fine particles is injected with air bubbles and moved downwardly through a stationary downfeeder to a centrifuge comprising a rotating flotation cell.

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fine particles flotation patent - lightfinance.pl

fine particles flotation patent. Flotation of fine particles in the presence of combined Know More. Aug 15 2020 0183 32 Flotation of fine particles is challenging for the mineral industry The recovery of such particles is generally low in conventional flotation conditions Sivamohan 1990 Rulyov 2001 An industrial example of low flotation recovery of fine particles is presented in Fig 1Both fine ...

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US Patent for Carrier particle for the froth flotation of ...

The carrier particles of this invention should have a particle size and a density which are suitable for selectively beneficiating the finely sized mineral ore particles by froth flotation and have a surface treated with a condensation product, or acid derivative of a condensation product, of an alkanolamine with a fatty acid, a fatty acid ester, a dibasic fatty acid or a tribasic fatty acid ...

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US Patent for Process for recovering fine particulates in ...

A user-friendly centrifugal flotation cell with a rotating drum, is provided for use in an efficient separation process to rapidly recover greater quantities of valuable fine particles. In the process, a slurry of fine particles is injected with air bubbles and moved downwardly through a stationary downfeeder to a centrifuge comprising a rotating flotation cell.

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US Patent for Recovery from fine froth flotation feed ...

A process for the recovery of minerals from the fine particle size fraction of froth flotation feed (slimes), which is conventionally discarded to waste because slimes interfere with efficient flotation. In the disclosed process, the slimes, which also may be termed fines, are scrubbed to clean the slimes, and are then subjected to conventional froth flotation.

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Process and apparatus for separating fine particles by ...

1991-01-01  An apparatus is disclosed for the microbubble flotation separation of very fine and coarse particles, especially coal, and minerals so as to produce high purity and high recovery efficiency. This is accomplished through the use of a flotation column, microbubbles, recycling of the flotation pulp, and countercurrent wash water to gently wash the froth. Also disclosed are unique processes and ...

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fine particles flotation patent - janinavonsirrin.de

Carrier particle for the froth flotation of fine ores ... What is claimed as new and desired to be protected by Letters Patent is 1. A process for the flotation of large grain size mineral particles having a size from above 1 and up to 5 mm comprising forming an aqueous flotation suspension in which suspension a collection agent is present and, additionally introducing a weighting agent in the ...

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Fine Particles Flotation Patent - mayukhportfolio.co

Fine Particles Flotation Patent. Analytics for US Patent No. 4,981,582, Process and ... A method and apparatus are disclosed for the microbubble flotation separation of very fine particles, especially coal, so as to produce a hi. Read more. Process For Recovering Fine Particulates In A Centrifugal ... Process For Recovering Fine Particulates In A Centrifugal Flotation Cell With Rotating Drum ...

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fine particles flotation patent - hasicinejdek.cz

2021-01-21  Froth flotation of fine particles Google Patents. US5304317A US07/979,918 US97991892A US5304317A US 5304317 A US5304317 A US 5304317A US 97991892 A US97991892 A US 97991892A US 5304317 A US5304317 A US 5304317A Authority US United States Prior art keywords particles polymer froth flotation coal mineral Prior art date 1991-03-28 Legal status (The

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Froth flotation - Wikipedia

Minerals Separation's initial flotation patents ended 1923, ... Before froth flotation can work, the ore to be treated is reduced to fine particles by comminution so that the various minerals exist as physically separate grains. This process is known as liberation. The particle sizes are typically less than 0.1 mm (100 µm), but sometimes sizes smaller than 7–10 µm are required. There is a ...

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fine particle flotation fine particle processing

Recent Trends in Flotation of Fine Particles ... Flotation Problems of Fine ... decreases with a decrease in particle size in the fine particle ... Inquire Now; Two-liquid flotation of fine oxide particles with 8 ... Two-liquid flotation of fine oxide particles with 8-hydroxyquinoline. ... M. (1999), Two-liquid flotation of fine oxide particles ... fine particle processing; Published in ...

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Effects of fine–coarse particles interaction on flotation ...

Fine particles float poorly and less selectively under normal flotation conditions and have detrimental effects on the recovery of other minerals. Previous research (Peng and Zhao 2011) has showed an interesting phenomenon in that fine mineral particles have interactive effects with coarse particles of other minerals through which the other mineral is concealed by masking of the fine particles ...

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