US2423022A - Froth flotation of silica from iron ore by ...

Prior art keywords ore ton iron silica flotation Prior art date 1944-04-10 Legal status (The legal status is an assumption and is not a legal conclusion.

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US2415416A - Froth flotation of silica from iron ore with ...

Activation and anionic flotation of the silica of the silica (insoluble) in the washer rejects and yielded an iron enriched product which assayed 52.6 percent Fe and 14.5 percent insoluble and represented a recovery of 93.9 percent of the total iron.

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patent silica iron flotation – Grinding Mill China

patent silica iron flotation [ 4.8 - 8739 Ratings ] The Gulin product line, consisting of more than 30 machines, sets the standard for our industry. We plan to help you meet your needs with our equipment, with our distribution and product support system, and the continual introduction and updating of products. ...

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patent silica iron flotation - rjps

Froth flotation of silica from iron ore - patents… Prior art keywords iron flotation lime silica pulp Prior art date 1944-12-11 Legal status (The legal status is an assumption and is not a legal conclusion.

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Froth flotation of silica from iron ore - Bruce, Clemmer ...

Froth flotation of silica from iron ore . United States Patent 2419945 . Abstract: The invention described herein may be manufactured and used by or for the Government of the United States for governmental purposes without the payment to use of any royalty thereon in accordance with the provision of the act of April 30, 1928 (Ch. 460, 45 Stat ...

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Silica Flotation 91 - primaryteachers

patent silica iron flotation - manosperuanasunidas.org Silica Flotation 91 - tvpdcollegein. Patent US2423022 - Froth flotation of silica from iron , june 24, 1947 e c herkenhoff 2,423,022 froth flotation of silica…

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silica sand iron flotation - crusherasia

silica sand iron flotation. raymond mill is pertinent towards the grinding and processing of more than 280 varieties of non-flammable and ... Flotation reagents for removing iron from silica sands... Flotation reagents for removing iron from silica sands. Gulin supply Mining and …

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US Patent for Amine-containing formulations for reverse ...

After a reverse froth flotation step, generally the iron ore bottom fraction either contains a low level of silica but exhibits a low recovery of iron, or it exhibits high recovery of iron but contains a high level of silica.

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Process Of Flotation Of Silica - greenrevolution.org

Patent US2293470 - Froth flotation of siliceous material - Google Patente ... silica sand iron flotation | process of flotation of silica - Crusher South Africa. ... Scale-up must be done with care, for two reasons: Figure 8 Flowsheet for silica flotation from iron ore at CVRD’s Samitri (Alegria) concentrator.The next challenge will be ...

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Capryl alcohol frother in iron ore flotation process ...

Jul 16, 1985· The invention comprises in a froth flotation process for separating silica from iron ore, which comprises frothing said ore in an aqueous medium in the presence of a silica collector, the improvement which comprises; generating froth with capryl alcohol.

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Froth flotation of silica from iron ore - Free Patents Online

The most common flotation method known to the art is the flotation of the iron oxides from the siliceous rangue constituents, employing an anionic collecting avent. such as oleic acid or sodium oleate, in conjunction with auxiliary reagents, such as soda ash or sodium silicate, to retard flotation of the silica.

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US Patent for Amine-containing formulations for reverse ...

After a reverse froth flotation step, generally the iron ore bottom fraction either contains a low level of silica but exhibits a low recovery of iron, or it exhibits high recovery of iron but contains a high level of silica.

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patent silica iron flotation - mansco.org

Patent US2423022 - Froth flotation of silica , Flotation Technology for the Removal of Silica by Reverse Flotation at the Iron Ore Pellet Plant of . [Get Info] Collecting agents for use in the froth flotation of silica ,

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silica sand flotation plant to remove iron - newstonight.co.za

methods of washing silica sand to remove iron brdc how to remove iron Silica and Iron Recovery from a Residue of Iron Ore Flotation Silica and Iron Recovery from a Residue of 6219 How To Remove Silica From Iron ... iron ore separation from silica sand Patent US6098810 Flotation kaolin flotation to remove silica Solution for ore mining ...

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Capryl alcohol frother in iron ore flotation process ...

Jul 16, 1985· The invention comprises in a froth flotation process for separating silica from iron ore, which comprises frothing said ore in an aqueous medium in the presence of a silica collector, the improvement which comprises; generating froth with capryl alcohol.

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Silica Flotation 91 - primaryteachers

patent silica iron flotation - manosperuanasunidas.org Silica Flotation 91 - tvpdcollegein. Patent US2423022 - Froth flotation of silica from iron , june 24, 1947 e c herkenhoff 2,423,022 froth flotation of silica…

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Silica and Iron Recovery from a Residue of Iron Ore Flotation

Silica and Iron Recovery from a Residue of Iron Ore Flotation P. F. F. Martins, C. A. Morais*, F. S. Lameiras, R. O. Albuquerque Centro de Desenvolvimento da Tecnologia Nuclear , Belo Horizonte, Brazil ... Silica and Iron Recovery from a Residue of Iron Ore Flotation ...

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(54) BRANCHEDALKYL ETHERAMINES AS

silica collectors in froth flotation of iron ore. BACKGROUND OF THE INVENTION Froth flotation is a common process applied to the art ... tioned in the patent literature include products derived from normal C6, C7, C8, C9, C10, C11, C12, C13, C14, C15,

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silica sand iron flotation - seadoone.co.za

US2423022A - Froth flotation of silica from iron ore by anionic collectors - Google Patents Froth flotation of silica from iron ore by anionic collectors Download PDF Info Publication number , Process for purifying silica sand WO2010146596A1 (en) * 2009-06-16: 2010-12-23: Tata Steel Limited .

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Beneficiation of iron ore by flotation - ScienceDirect

The flotation method most commonly applied is the one that is based on cationic flotation of silica and silicates (reverse flotation), and which is preceded, or not, by desliming or selective flocculation.

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Separation of silica from bauxite via froth flotation ...

As there are two kinds of silica, the floated silica will be referred to along the paper as the quartz silica. The SEM examination ( Fig. 1 ) has shown that quartz silica particles are liberated. There are liberated gibbsite particles, although most of them presented fine titanium and iron bearing minerals incrustations or …

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Production of High Grade Iron Ore Concentrates Using Flota…

The application of column flotation for silica rejection is being actively investigated by several iron ore companies in Brazil, Canada, the United States, Venezuela, and India.

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Flotation Process Silica – Grinding Mill China

silica sand iron flotation-- CMS (Crusher Machine Sale In The ... enrichment of silica sand ore by cyclojet flotation cell taylor . 8 jul 2014 in this study, the performance of the cyclojet flotation cell was tested for removing ...

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US Patent for Amine and diamine compounds and their use ...

U.S. Pat. No. 4,422,928 (Exxon Research and Engineering, publication date 27 Dec. 1983) reveals a froth flotation process for separating silica from iron ore employing a liquid aliphatic ether amine of the formula R—O—(R 1 —O) z —CH 2 —CH 2 —CH 2 —NH 2 in which R is an aliphatic methyl branched radical having nine carbon atoms, R 1 is ethyl or propyl and z is an integer of from zero to 10.

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patent silica iron flotation - keukenhanddoeken.be

Patent US4132635 - Beneficiation of iron ores by froth flotation , Jan 2, 1979 , Iron oxides of finely-ground, low grade, siliceous oxidized iron ores can , iron ores by froth flotation of iron oxide from silica-containing gangue including the steps of , for beneficiating …

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flotation process of iron - greenmountainpta.org

patent silica iron flotation antriksharalias.org. Patent US5334364 Process for silica sand flotation chemical Crusher South Africa ; 4.8/5 iron from silica. Separate Iron From Silica Sand. Check price. flotation process separates the phosphate Solution for .

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reverse flotation of silica from iron ore - Mineral ...

Jun 08, 2015· When mining reverse flotation works, The mineral pulp being added . ores, such as fluorite and talc, gold ore, copper ore, iron ore and zinc ore and so on. Quotation More Sand Washing Machine Rotary Scrubber For Gold And Diamonds .

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Alkyloxyalkaneamines useful as cationic froth flotation ...

Alkyloxyalkaneamines useful as cationic froth flotation collectors Abstract. A process of separating at least one mineral, e.g. silica, from an aqueous medium, e.g. one containing iron ore, by froth flotation using cationic alkyloxyalkaneamine collectors free of acrylonitrile is described.

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removal of iron impurities from silica by floatation

sand flotation for iron impurity removal Grinding Mill China. should take to remove impurity of iron from silica sand.In SAND FLOTATION FOR IRON IMPURITY REMOVAL After flotation of impurities, Collector for flotation of iron ore AkzoNobel Mining Chemicals. Flotation of iron ore.

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Patent US8172089 - Flotation reagent for minerals ...

wherein R represents a linear or branched alkyl group or alkenyl group having 6 to 20 carbon atoms while A represents a C 2 to C 4 alkylene group, as collector in silicate flotation. where R is a ...

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How calcite and silica can be depress in froth flotation ...

How calcite and silica can be depress in froth flotation of fluorite? How calcite and silica can be depress in froth flotation of fluorite? ... flotation is posed by the domination of iron ...

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Optimization of Flotation for the Reduction of Heavy ...

oil flotation - British Patent 488/1860 (Miller & Parekh, 1999) (Ahmad, 1951). Later, in 1877, the Bessel brothers patented and built the first commercial flotation plant in Dresden, Germany to clean graphite ore - German Patent 42, Class 22. The froth flotation process was invented in 1905 simultaneously by A.H.

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froth flotation us2423022 - lunarossa-ristorante.eu

Get Price Patent US2423022 - Froth flotation of silica from. 1947 l FROTH FLOTATION OF `SILICA FROM IRON ORE promoting flotation reagents silica-bearing gangueby ... iron ore colum flotation - …

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iron ore beneficiation magnetic separation silica - YouTube

Aug 25, 2016· Mining Machinery for Coal, Sand / Iron Ore Crushing and Flotation Separation Of Chromite From Silica Sand Chapter 1 : Company Profile a product of the uranium milling process is …

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Beneficiation of Iron Ore - Mineral Processing & Metallurgy

The high grade iron product, low in silica, discharging from the flotation circuit is remagnetized, thickened and filtered in the conventional manner with a disc filter down to 8 to 10% moisture prior to treatment in the pelletizing plant.

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iron ore flotation - macimpianti.eu

For more than 25 years, AkzoNobel has been developing flotation systems both for hematite and magnetite type iron ores, and are now the leading company in this area.

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