amine flotation iron ore

  • WO2009066167A2 Amines quantification method in residues

    The present invention is related to a method of quantification of fatty amines derived from effluents and residues from the reverse flotation process of iron ore by a colorimetric technique with bromocresol green as the organic dye.

  • Cited by: 3
  • Residual amine in iron ore flotation, Minerals Engineering

    Nov 01, 2008· Read "Residual amine in iron ore flotation, Minerals Engineering" on DeepDyve, the largest online rental service for scholarly research with thousands of

  • Ether Amine Flotation Iron Ore

    2018-1-18 · Ether amine is obtained by introducing ether group into the hydrocarbon of an aliphatic amine, so it is easier to disperse in the pulp due to the lower melting point and higher solubility. GE−609 is a kind of alkyl diamine ether, and it has been successfully applied in the flotation practice of iron ore

  • Froth Flotation of Iron Ores sapub

    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.

  • Treatment and Recycling of the Process Water in Iron Ore

    Figures 3(a) and 3(b) showed that an increasing PAM or PDADMAC concentration reduced the iron flotation recovery. However there was very little reduction in iron grade. When the concentration increased from 0 mg/L to 3 mg/L for PAM and 0 mg/L to 30 mg/L for PDADMAC, the recoveries of iron decreased from 74.66% to 66.74% and 74.66% to 64.63%, respectively.

  • Cited by: 1
  • Flotation of Chromite Ore

    To increase the selectivity of Mouat ore to amine flotation of chromite, a selective olivine depressant must be found. Flotation of Chromite Gravity Concentrate. The amine flotation method was applied to chromite gravity concentrates prepared from Benbow-2 ore by a combined Humphrey’s spiral and table separation technique.

  • Beneficiation of Iron Ore Mineral Processing & Metallurgy
    Crushing and GrindingHydroclassification and Magnetic FinishingConditioning and FlotationSilica Flotation ReagentsThickening and FilteringAdvantages of FlotationCrushing is done in the conventional manner in 2 or 3 stage systems to approximately all minus ¾ inch which is considered good feed for subsequent wet rod and ball mill grinding.The primary rod mill discharge at about minus 10- mesh is treated over wet magnetic cobbers where, on average magnetic taconite ore, about 1/3 of the total tonnage is rejected as a non-magnetic tailing requiring no further treatment. The magneSee more on 911metallurgist
  • Cationic flotation of silica from magnetic iron-ore

    May 01, 1970· Twelve cationic, amine-salt silica-collectors were evaluated on three samples of magnetic iron-ore concentrate. Coco primary amine acetate was used as the standard of comparison. Lauryl primary amine acetate is somewhat more efficient in collecting silica than the standard, and equally selective. Tallow primary amine acetate is equally selective and somewhat less efficient than the the

  • Cited by: 7
  • Recovery of Iron Ore Tailings byColumn Flotation

    The processes of iron ore flotation being either by means of mechanical cells or columns, are fed by particles whose sizes vary 10 and 150 µm, the ultrafine particles (slimes) are removed by means of cyclone, for they affect the process in a negative way, and the top size is limited to values between 5% and 10% above 150 µm.

  • Cited by: 9
  • The infrared spectra of amine collectors used DeepDyve

    Feb 01, 2005· Read "The infrared spectra of amine collectors used in the flotation of iron ores, Minerals Engineering" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

  • Residual amine in iron ore flotation ScienceDirect

    The possibility of recovering residual amine present in the water phase of tailings pulps of the reverse cationic flotation of iron ore was investigated. The samples collected in the tailings from mechanical and tank cells and also from flotation columns were kept under rest to promote the separation between the water and the solid particles.

  • Residual amine in iron ore flotation, Minerals Engineering

    Nov 01, 2008· Residual amine in iron ore flotation Starch is used as depressant for iron minerals and amine acts as quartz collector and also as frother. Amine is an expensive reagent and its consumption tends to be higher with the increasing contents

  • Ether Amine Flotation Iron Ore

    2018-1-18 · Ether amine is obtained by introducing ether group into the hydrocarbon of an aliphatic amine, so it is easier to disperse in the pulp due to the lower melting point and higher solubility. GE−609 is a kind of alkyl diamine ether, and it has been successfully applied in the flotation practice of iron ore [20,21].

  • WO2009066167A2 Amines quantification method in residues

    The present invention is related to a method of quantification of fatty amines derived from effluents and residues from the reverse flotation process of iron ore by a colorimetric technique with bromocresol green as the organic dye.

  • Treatment and Recycling of the Process Water in Iron Ore

    Figures 3(a) and 3(b) showed that an increasing PAM or PDADMAC concentration reduced the iron flotation recovery. However there was very little reduction in iron grade. When the concentration increased from 0 mg/L to 3 mg/L for PAM and 0 mg/L to 30 mg/L for PDADMAC, the recoveries of iron decreased from 74.66% to 66.74% and 74.66% to 64.63%, respectively.

  • An investigation into the flotation of muscovite with an

    An investigation into the flotation of muscovite with an amine collector and calcium lignin sulfonate depressant Christopher Marion a, Adam Jordens a, Sheelah McCarthy a, Tassos Grammatikopoulos b, Kristian E. Watersa* a Department of Mining and Materials Engineering, McGill University, 3610 University Street, Montreal, Quebec, Canada H3A OC5 b

  • Cationic flotation of silica from magnetic iron-ore

    Twelve cationic, amine-salt silica-collectors were evaluated on three samples of magnetic iron-ore concentrate. Coco primary amine acetate was used as the standard of comparison. Lauryl primary amine acetate is somewhat more efficient in collecting silica than the standard, and equally selective. Tallow primary amine acetate is equally selective and somewhat less

  • Flotation of Chromite Ore

    Amine flotation research was also performed on an ore sample from the Mouat mine. The ore sample contained 23.4 percent Cr2O3. It was ground to 100 percent minus 65 mesh, deslimed at the 20-micrometer particle size, and floated in a three-stage rougher using a total of 0.4 pound of Armac C per ton of ore.

  • Beneficiation of Iron Ore Mineral Processing & Metallurgy

    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 ores of the non-magnetic type which after a reducing roast are amenable to magnetic separation. All such plants are large tonnage operations treating up to 50,000 tons per day and ultimately requiring grinding as fine

  • Flotation Reagents Mineral Processing & Metallurgy

    Flotation Frothers What is the Function of Frothers. The function of frothers in flotation is that of building the froth which serves as the buoyant medium in the separation of the floatable from the non-floatable minerals. Frothers accomplish this by lowering the surface tension of the liquid which in turn permits air rising through the pulp to accumulate at the surface in bubble form.

  • Amine Flotation of Feldspar from Magnetite Concentrate

    The amine flotation of feldspar from magnetite concentrate was investigated using zeta potential measurements, Hallimond tube flotation tests and laboratory-scale flotation tests. The zeta potential of various feldspars (microcline, albite, anorthite, oligoclase and anorthoclase) were determined as a function of pH; the point of zero charge ranged from pH 1.4 to 2.5.

  • (Recycling of amines present in the residues from the

    _____The present work has the objective of investigating the possibility of the reuse of residual amines resulting from the process of reverse flotation of iron ore. Benchscale flotation tests were performed at pH 10.5 with starch as the depressant of iron oxides and the amines Flotigam EDA 3B and F 2835 as silica collectors.

  • Recovery of Iron Ore Tailings byColumn Flotation

    pH values in levels usually applied in the reverse flotation of iron ore, i.e. between 8.9 and 11.0. The results presented in Figure 6 show that the rise in pH led to a significant rise in the recovery of Fe in the concentrate. The content of SiO 2 diminished for pH values up to 10.5 and the Fe content remained practically stable throughout the range studied.

  • Optimization of Reverse Cationic Flotation of Low-Grade

    Sep 19, 2017· Due to gradual depletion of high-grade iron ores, there is a need to investigate the treatment of low-grade iron ores. Current procedures are time and cost intensive. Batch laboratory scale reverse cationic flotation was employed to concentrate low-grade Fe ore, found in fluorspar tails in the form of hematite. This study used two types of depressants (soluble

  • Mining Flotation of Iron Ore Nouryon

    The main objective of iron ore flotation is to upgrade the concentrate by removing silicates and/or phosphorus-containing minerals. The use of silica flotation has increased in recent decades. The trend will continue as more complex ores have to be mined and higher-grade iron ore concentrates with fewer impurities are requested by the steel

  • Residual amine in iron ore flotation, Minerals Engineering

    Nov 01, 2008· Residual amine in iron ore flotation Starch is used as depressant for iron minerals and amine acts as quartz collector and also as frother. Amine is an expensive reagent and its consumption tends to be higher with the increasing contents of quartz in the ores being processed.

  • Ether Amine Flotation Iron Ore

    2018-1-18 · Ether amine is obtained by introducing ether group into the hydrocarbon of an aliphatic amine, so it is easier to disperse in the pulp due to the lower melting point and higher solubility. GE−609 is a kind of alkyl diamine ether, and it has been successfully applied in the flotation practice of iron ore

  • Amine Flotation of Feldspar from Magnetite Concentrate

    The amine flotation of feldspar from magnetite concentrate was investigated using zeta potential measurements, Hallimond tube flotation tests and laboratory-scale flotation tests. The zeta potential of various feldspars (microcline, albite, anorthite, oligoclase and anorthoclase) were determined as a function of pH; the point of zero charge ranged from pH 1.4 to 2.5.

  • Treatment and Recycling of the Process Water in Iron Ore

    Figures 3(a) and 3(b) showed that an increasing PAM or PDADMAC concentration reduced the iron flotation recovery. However there was very little reduction in iron grade. When the concentration increased from 0 mg/L to 3 mg/L for PAM and 0 mg/L to 30 mg/L for PDADMAC, the recoveries of iron decreased from 74.66% to 66.74% and 74.66% to 64.63%, respectively.

  • Cationic flotation of silica from magnetic iron-ore

    Twelve cationic, amine-salt silica-collectors were evaluated on three samples of magnetic iron-ore concentrate. Coco primary amine acetate was used as the standard of comparison. Lauryl primary amine acetate is somewhat more efficient in collecting silica than the standard, and equally selective. Tallow primary amine acetate is equally selective and somewhat less efficient than the the standard.

  • Recovery of Iron Ore Tailings byColumn Flotation

    pH values in levels usually applied in the reverse flotation of iron ore, i.e. between 8.9 and 11.0. The results presented in Figure 6 show that the rise in pH led to a significant rise in the recovery of Fe in the concentrate. The content of SiO 2 diminished for pH values up to 10.5 and the Fe content remained practically stable throughout the range studied.

  • Reagents in iron ores flotation PDF Free Download

    Amine plays also the role of frother in iron ore flotation. Considering that frothers cost less than amines, the possibility of partially replacing amines by ordinary frothers has been A.C. Araujo et al. / Minerals Engineering 18 (2005) 219–224

  • Optimal Control of Iron Ore Flotation with Soft Sensors

    For Brazilian iron ore producers, reverse cationic flotation is preferred to obtain high quality concentrates from silicate ores. The SiO2 (silica) particles are rendered hydrophobic by amine (cationic collector) in alkaline conditions, while iron is depressed by the addition of starch.

  • An investigation into the flotation of muscovite with an

    An investigation into the flotation of muscovite with an amine collector and calcium lignin sulfonate depressant Christopher Marion a, Adam Jordens a, Sheelah McCarthy a, Tassos Grammatikopoulos b, Kristian E. Watersa* a Department of Mining and Materials Engineering, McGill University, 3610 University Street, Montreal, Quebec, Canada H3A OC5 b

  • Effect of coarse quartz scalping on the reverse cationic

    1 25 (2011) 1-9 EFFECT OF COARSE QUARTZ SCALPING ON THE REVERSE CATIONIC FLOTATION OF IRON ORE M. M. Braga Junior1, A. E. C. Peres2 1Metallurgical Engineer, M.Sc., Senior Engineer, VALE [email protected] 2Metallurgical Engineer, PhD, Associate Professor, Universidade Federal de Minas Gerais [email protected]

  • RECYCLING OF PROCESS WATER CONTAINING AMINES IN

    This method can be classified in direct flotation when the iron oxides are floated or reverse flotation when the silica’s gangue are floated, Houot (1983 Normally the reverse flotation with amine is used, Iwasaki (1983) and Numela & Iwasaki (1986): The amine is the only cationic collector that is used by industries in reverse iron ore flotation.

  • Flotation Cells in Iron Ore Processing Froth Flotation

    To participate in the 911Metallurgist Forums, be sure to JOIN & LOGIN; Use Add New Topic to ask a New Question/Discussion about Flotation.; OR Select a Topic that Interests you.; Use Add Reply = to Reply/Participate in a Topic/Discussion (most frequent). Using Add Reply allows you to Attach Images or PDF files and provide a more complete input.; Use Add Comment = to comment on someone else’s

  • (Recycling of amines present in the residues from the

    _____The present work has the objective of investigating the possibility of the reuse of residual amines resulting from the process of reverse flotation of iron ore. Benchscale flotation tests were performed at pH 10.5 with starch as the depressant of iron oxides and the amines Flotigam EDA 3B and F