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US Patent for Silica flotation collectors derived from This invention relates to the use of a primary-branched aliphatic ether monoamine 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.
Metallurgical ContentThe Iron Ore Process FlowsheetCRUSHING AND GRINDINGHYDROCLASSIFICATION AND MAGNETIC FINISHINGCONDITIONING AND FLOTATIONSILICA FLOTATION REAGENTSTHICKENING AND FILTERINGADVANTAGES OF FLOTATION Beneficiation of Iron Ore and the treatment of magnetic iron taconites, stage grinding and wet magnetic separation is standard practice. This also applies to iron .
silica pulp ore flotation iron Prior art date 1965-05-19 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 .
A bulk of silica sand was taken from Kowli-Kosh silica sand mine to reduce its hematite content by reverse flotation. The raw sample consisted of 97.38% SiO 2 and 0.213% Fe 2 O 3 and traces of Al 2 O 3, CaO, MgO, Na 2 O, K 2 O, TiO 2.
Jan 02, 2012· With the depleting reserves of high-grade iron ore in the world, froth flotation has become increasingly important to process intermediate- and low-grade iron ore in an attempt to meet the rapidly growing demand on the international market. In over half a century's practice in the iron ore industry, froth flotation has been established as an efficient method to remove impurities from iron ore.
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).
Separation of silica from bauxite via froth flotation ... 1/3/2009 It contained the gibbsite and the iron and titanium bearing minerals. The concentrate was further upgraded by magnetic separation, leading to 54.0% available alumina, with an alumina/insoluble silica mass ratio of 12.6 at an overall available alumina recovery of 69.3% in the final concentrate (non-magnetic product).
HERKENHOFF 2,423,022 FROTH FLOTATION OF SILICA'FROM IKRON ORE BY ANIOIC COLLECTORS Filed April 10, 1944 "Mm-y sL/MES ATTORNEY Patented June 24, 1947 l FROTH FLOTATION OF `SILICA FROM IRON ORE BY...
the current state and use of iron ore flotation methods, as well ... tion commercial introduction in 1905 and patent in 1906 ... cationic flotation for silica removal in the earlier days. Papini ...
Tolerance to silica and alumina in iron ore depends on the process and ore size. Lump +6mm particles can be fed directly into the blast furnace while fines (generally -6mm) need to be agglomerated ...
Flotation response of iron ore depends on its impurities. • Silica rich ores float better compared to alumina rich ores. • Clay and gibbsite coat on hematite and hinder flotation. • SEM studies support less coating of quartz due to coarser size. • Silica in the form of jasper present in BHJ ore is less floatable.
The flotation method most commonly applied is the one that is based on cationic flotation of silica and Flotation of iron ores. U.S. Patent 2 389 727 (11/27Get Price How calcite and silica can be depress in froth flotation
EP0463823B1 EP91305647A EP91305647A EP0463823B1 EP 0463823 B1 EP0463823 B1 EP 0463823B1 EP 91305647 A EP91305647 A EP 91305647A EP 91305647 A EP91305647 A EP 91305647A EP 0463823 B1 EP0463823 B1 EP 0463823B1 Authority EP European Patent Office Prior art keywords amine process collector silica alkanol Prior art date 1990-06-28 Legal status (The legal .
Get Price. iron ore beneficiation magnetic separation silica YouTube. Get Price; machine for separation of silica iron and sand. flotation separation of chromite from silica sand, saperator of iron from silica sand,ore crusher plant separation process to remove feldspar and iron from, Flotation reagents for removing iron from silica .
patent silica iron flotation US Patent for Silica flotation collectors derived from This invention relates to the use of a primary-branched aliphatic ether monoamine nonyloxypropylmonoamine its ethoxylated or propoxylated derivatives and partial acid salts thereof as a major or minor constituent in the formulation of superior silica flotation ...
Patent Silica Iron Flotation. Jun 23 1992 froth flotation of silica or siliceous gangue united states patent 5124028 a flotation process for the separation of silica or siliceous gangue from mineral values wherein the silica or siliceous gangue and mineral values in particulate from in an aqueous slurry are subjected to froth flotation in the ...
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separation process to remove feldspar and iron from silica. Patent US6098810 - Flotation process for separating silica from ... A separation process is provided for treating a feed material comprising silica, feldspar, and metal ... kaolin production dry process.
Cationic flotation of silica from magnetic ironore concentrates This process is experimental and the keywords may be updated as the learning algorithm flotation separation technique processing the best device configuration and the most considerate turnkey services for the clients.
Flotation of silica from heavy minerals bpb35frrompt caesar is a famous mining equipment manufacturer wellknown both at home and abroad, patent silica iron flotation heavy mineral extract froth flotation in silica sand froth flotation of silicate minerals froth flotation.
Silica sand flotation is primarily used to remove the iron bearing heavy minerals and hydroxide coats removed after attrition scrubbing from quartz grains.
The principal separation in iron ore beneficiation, therefore, is between the iron minerals, hematite and/or magnetite, and silica, principally in the form of quartz. The use of flotation, either alone or in combination with magnetic separation, has been well established as an efficient method for rejecting silica from these iron ores.
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.
Jul 10, 1973· I claim 1. A froth flotation process for separating silica from iron ore which comprises froth flotation of said ore in an aqueous medium containing a mixture of water dispersable acid salts of normal-alkyl primary amines having 5 to 12 successive chain lengths including both odd and even numbered carbon chains of 8 to 22 carbon atoms, the major proportion of the constituents being near .
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