patent silica iron flotation

patent silica iron flotation

US2419945A - Froth flotation of silica from iron ore ...

US2419945A US567762A US56776244A US2419945A US 2419945 A US2419945 A US 2419945A US 567762 A US567762 A US 567762A US 56776244 A US56776244 A US 56776244A US 2419945 A US2419945 A US 2419945A Authority US United States Prior art keywords iron flotation silica lime pulp Prior art date 1944-12-11 Legal status (The legal status is an assumption and is not a legal conclusion.

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

iron silica flotation Prior art date 1944-04-10 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.) Expired - Lifetime Application number

US4422928A - Silica flotation collectors ... - Google Patents

This invention relates to the use of a primary-branched aliphatic ether monoamine, 3-nonyloxypropylmonoamine, its ethoxylated or propoxylated derivatives and partial acid salts thereof, as a major or minor constituent in the formulation of superior silica flotation collectors. Such collectors are employed in the separation of silica from iron ore, phosphate, and other valuable ores.

US6098810A - Flotation process for separating silica from ...

A separation process is provided for treating a feed material comprising silica, feldspar, and metal impurities, including at least one of mica, iron impurities, or refractory heavy minerals, to form one or more products for use in making glass. In the process, the feed material is floated in the presence of a depressant to inhibit the flotation of feldspar and thereby form a concentrate ...

Froth flotation of silica from iron ore by anionic ...

Froth flotation of silica from iron ore by anionic collectors . United States Patent 2423022 . Abstract: This invention relates to a pretreating process in the beneficiation of iron ores and constitutes a continuation in part of my copending application for U. S. Letters Patent, Serial No. 468,523, filed December 10, 1942, now Patent No ...

Froth flotation of silica from iron ore by anionic ...

Froth flotation of silica from iron ore by anionic collectors . United States Patent 2423022 . Abstract: This invention relates to a pretreating process in the beneficiation of iron ores and constitutes a continuation in part of my copending application for U. S. Letters Patent, Serial No. 468,523, filed December 10, 1942, now Patent No ...

US4529507A - Capryl alcohol frother in iron ore flotation ...

Capryl alcohol is employed as a frother in the froth flotation of silica from iron ore. Capryl alcohol is employed as a frother in the froth flotation of silica from iron ore. ... 1985-07-15 Priority claimed from CN 85105404 external-priority patent/CN85105404A/en 1985-07-16 Application granted granted Critical

US3337328A - Iron ore beneficiation process - Google Patents

US3337328A US376338A US37633864A US3337328A US 3337328 A US3337328 A US 3337328A US 376338 A US376338 A US 376338A US 37633864 A US37633864 A US 37633864A US 3337328 A US3337328 A US 3337328A Authority US United States Prior art keywords concentrate iron separation ore silica Prior art date 1964-06-19 Legal status (The legal status is an assumption and is not a legal

US Patent Application for Use Of Polyols For Improving A ...

Jun 05, 2019 · The flotation tests were done in laboratory scale using a Denver Flotation Cell D12 apparatus at a temperature of about 25° C. according to the following procedure: A sample with 1.1 kilograms of the respective crude iron ore was charged to the flotation cell of 1.5 l volume and water was added in order to prepare a pulp of 50 wt.-% of solids content.

patent silica iron flotation - la-californie.de

patent silica iron flotation. Recycling Free Full. Jan 11 2021 0183 32 Considering sustainable mining the use of seawater in mineral processing to replace conventional water is an attractive alternative especially in cases where this resource is limited However the use of this aqueous medium generates a series of challenges specifically in the ...

LandOfFree - Inventor - Silica flotation collectors ...

252 61, B03D 114. Patent. active. 044229283. ABSTRACT: This invention relates to the use of a primary-branched aliphatic ether monoamine, 3-nonyloxypropylmonoamine, its ethoxylated or propoxylated derivatives and partial acid salts thereof, as a major or minor constituent in the formulation of superior silica flotation collectors.

(PDF) Reagents used in the flotation of phosphate ores: A ...

US Patent # 4,364,824. ... silica sand using three cleaning stages of flotation to produce a silica sand concentrate for the glass industry. ... and improve concentrate quality by reducing iron ...

Process Of Flotation Of Silica - greenrevolution.org

International Journal of Engineering Research Volume No.3, Issue No. 1, pp : 1-5515 Кб. 2014 Optimization of Flotation Process for Reduction of Alumina and Silica from Screw Classifier Overflow of an Iron Ore Washing Plant T V Vijaya Kumar 1*,S J Gopalkrishna 2 Principal Scientist, CSIR - National Metallurgical Laboratory Madras Centre, CSIR Madras Complex, Taramani, Chennai...

Patents Assigned to Jacobs Engineering Group - Justia ...

Apr 11, 2016 · Abstract: A process for recovering phosphate values from phosphate ore containing phosphates and silica in which scrubbed and screened ore is subjected to a flotation process which floats finer silica particles but not heavier silica particles, and which does not tend to float phosphates, and removing the floated material thereby forming a concentrate while discarding silica fines.

(PDF) Reagents used in the flotation of phosphate ores: A ...

US Patent # 4,364,824. ... silica sand using three cleaning stages of flotation to produce a silica sand concentrate for the glass industry. ... and improve concentrate quality by reducing iron ...

Beneficiation of iron ore by flotation — Review of ...

Apr 01, 1983 · 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. INTRODUCTION Research on the flotation of iron ore, on either a bench or a pilot-plant scale, started towards 1931 (Crabtree and Vincent, 1962).

Jianjun Liu Inventions, Patents and Patent Applications ...

Jan 15, 2020 · Inventors: Jianjun Liu, Kevin O'Brien, Paul Wiatr, Daniel N.T. Hay. Functionalized silicones for froth flotation. Patent number: 11014097. Abstract: Improved sparge compositions for froth flotation separation, methods of using them, and uses thereof are described. The compositions are suitably used in the froth flotation of particulate material ...

Method of flotation of hematite-bearing iron ores and products

In the reverse flotation of the obtained hematite concentrate with the release of 9.7% when the iron content of 62.7% and silica of 4.3%. The extraction of iron in the concentrate was 21.6%. In another paper (Patent RF №2432207, VS 1/00), on a similar scheme (collector not specified) of such tails MMS received hematite concentrate with a mass ...

Mining Chemical Solutions - Nouryon

Slime flotation Ethomeen HT/40 Slime flotation collector Phospholan PE 65 Slime flotation collector Halite flotation Armoflote 619 Suitable for reverse flotation of carnallite Iron Ore (magnetite, hematite, itabirite) Silica flotation Armoflote 930 New chemistry for silicate removal from iron ores, readily biodegradable and superior ecotoxicity ...

Improving recovery of iron using column flotation of iron ...

Nov 01, 2020 · The first industrial application of flotation columns in this country was silica flotation to concentrate iron ore at Samarco Mineração in the early 90′s and soon a great expansion of the application of this technology was observed in the iron ore flotation

Froth flotation of silica or siliceous gangue by ... - Patents

Froth flotation of silica or siliceous gangue - AU1991079390. AU01 AUSTRALIA CF Dow Case No. 38,666-F Commonwealth of Australia The Patents Act 1952 DECLARATION IN SUPPORT In support of the Convention Application made by: THE DOW CHEMICAL COMPANY 2030 Dow Center, Abbott Road Midland, Michigan 48640, U.S.A. for a patent for an invention entitled ...

Heavy Minerals Of Silica Sand - caesarmachinery

Flotation Of Silica From Heavy Minerals Crusher USA » patent silica iron flotation » heavy mineral extract froth flotation in silica sand » froth flotation of silicate minerals » froth flotation rare earth minerals. removing minerals from glass sand.

Froth flotation - Wikipedia

Froth flotation is a process for selectively separating 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.

patent silica iron flotation - clubcaninvlg.fr

patent silica iron flotation dietadokrabicky. Silica flotation collectors derived from isononyl alcohol Abstract. This invention relates to the use of a primarybranched aliphatic ether monoamine, 3 >>Advisory. Froth flotation of silica from iron ore Bruce, Clemmer . The most common flotation method known to the art is the flotation of the iron ...

Concentration - collections.lib.utah.edu

Flotation Research in the area of iron ore flotation has been directed along three lines'O-14 • Lentz and Cronberg'° have shown, both in the laboratory and in pilot plant tests, that ether amine and ether diamine col­ lectors are more efficient than the conventional aliphatic primary amines. Iwasaki and Carlsonll

AMIT 145: Lesson 5 Froth Flotation – Mining Mill Operator ...

AMIT 145: Lesson 5 Froth Flotation. Froth flotation is a physico-chemical separation process. Separation is principally based on differences in surface hydrophobicity. However, particle size and density have a significant impact. Initial flotation patent and application was developed for graphite by the Bessel brothers (1877).

Iron Ore Floatation Process - greenrevolution.org

iron ore processing flotation. Patent US2423022 - Froth flotation of silica from iron ore by anionic ... The present process is especially suitable for use on fines such as are found in the ... Read more. Iron Ore Flotation Process - XSM. Iron Ore Flotation Process. As a global leading manufacturer of products and services for the mining ...