ether amine flotation iron ore
ether amine flotation iron ore

Colorimetric determination of ether amine greases utilized ,

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Apr 08, 2009 0183 32 Ether amine greases are commonly used in the flotation of iron ore, and after use are discarded in the tailings dams The aim of this work was to quantify a commercial ether amine using the bromocresol green dye in chloroform The statistical data obtained show that the method is characterized by satisfactory accuracy and precision with a detection limit below 1 ,...

froth flotation in iron of iron

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The present invention generally relates to a process for enriching an iron mineral from a silicate-containing iron ore by carrying out, at a pH of 8-11, a froth flotation in the presence of a collecting agent containing an ether amine, and a depressing agent for the iron mineral...

Role of Water Structure

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Jan 01, 2012 0183 32 5, a Because ether diamine is a strong collector in iron ore flotation, its capability to induce such aggregation is also stronger than ether monoamine 7 , which is responsible for the poor flotation in the presence of ether diamine 100 a b Figure 5 Schematic description of the kaolinite-amines interactions a...

Froth Flotation of Iron Ores

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Jan 02, 2012 0183 32 The two anionic flotation routes developed by Hanna Mining and Cyanamid, ie direct anionic flotation and reverse anionic flotation routes, are also being used in the iron ore industry The history of iron ore flotation started with direct flotation of iron oxides using anionic collectors such as petroleum sulphonate, fatty acids and hydroxamat...

An overview of the use of chemical reagents in mineral ,

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Feb 01, 2005 0183 32 Ether amines and ether diamines are more selective and show better water-dispersibility Their major use is as a silica collector in the reverse flotation of iron ore hematite and magnetite taconite ores Both fatty and ether amines and diamines are used as collectors for silicate minerals...

Ether amine flotation iron ore

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xanthate dithiophosphate thionocarbamate Hydroxamate ether amine, Standard iron ore flotation includes an acid circuit process with the use of petroleum...

IJREAT International Journal of Research in Engineering ,

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substitution of amine with non polar oils is most attractive route 8 It was reported that iron ore concentrates with less than 1 silica could be obtained from iron ore tailings/rejects with iron recoveries of around 60 9 The effect of amine type and pH on quartz flotation was studied and found that ether di-amine was more effective to ....

Flotation collectors optimized performance

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serving for over 70 years For the direct flotation of potash, we can deliver either standard amine produced from different types of fatty acids, or special formulations In some cases, where clay minerals are present in the ore, a slime flotation step using flotation collectors is undertaken prior to potash flotation We also offer...

Reverse Flotation Magnetite Amine

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May 24 2019 Ether amine is the first choice as the amine collector followed by the fatty amine The inhibitor of iron ore uses the sodium silicate tannin and sodium lignosulfonate and their inhibitory effect is the best when the pH value is 8-9 In terms of the ore properties of hematite ore reverse flotation process is more advantageous than the...

Role of Surfactants in Mineral Processing An Overview ,

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Jun 24, 2019 0183 32 For example, in reverse flotation of iron ore, starch is used as depressant for iron ore and zinc sulphate as depressant for ZnS in Pb-Zn flotation 333 Dispersants , Conjunction of diesel oil and ether amine 4 Non-phenol ethoxylated with ethylene oxide and etheramine 5 Mixture of amine and hydrochloric acid...

PDF Reagents in iron ores flotation

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The role of reagents utilised in iron ores flotation is reviewed Desliming and flotation stages should be performed at pH levels as low as possible to ,...

University of Cape Town

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Brazilian iron ore although it failed to perform in the flotation of the South African iron ore A hematite concentrate with an iron grade of 65 and a quartz grade less of 15 was attained At the same collector dosage of 125 g/t, the superiority of alky ether amines over the...

Branched alkyl ether amines as iron ore flotation aids ,

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A froth flotation process for separating silica from iron ore comprising the step of adjusting the ratio of ether amine or partially-neutralized ether amine components in the dosage in response to the feed ore being processed, said components of the following general formulae R--O--CH 2 --CH 2 --CH 2 --NH 2...

The effects of partially replacing amine collectors by a ,

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Nov 25, 2020 0183 32 The depletion of high-grade iron ore necessitates an upgrade Froth flotation has been proven to be one of the most suitable separation methods used to this end 3, 5, 6 The increased use of iron ore flotation has resulted in the reduction of gangue impurities 7 Flotation has thus produced iron super-concentrates with limited...

iron ore beneficiation floatation

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Beneficiation of a low-grade iron ore was investigated by combination of the low-intensity magnetic separation and reverse flotation methods The main constituents of the representative sample were 3686 Fe, 81 FeO, 142 CaO, 136 SiO2, and 012 S based on the X-ray fluorescence, titration, and Leco analysis methods...

Genapol X 080 Ataman Kimya AŞ

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FLOTIGAM 2835-2 Collector of alkyl ether di-amine and/or blends Collector for the flotation of quartz in the reverse iron ore flotation, feldspar and calamine FLOTIGAM 2835-2L Collector of alkyl ether di-amine and/or blends Collector for the flotation of quartz in the reverseiron ore flotation, feldspar and calamine...

Branched alkyl ether amines as iron ore flotation aids ,

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CA-1176765-A chemical patent summary...

Effect of Ether Mono Amine Collector on the Cationic ,

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Micaceous minerals, known as layer silicates, are counted mostly as the gangue minerals associated with valuable minerals, especially iron oxid They mainly reject through the reverse flotation process using the cationic collectors, eg, ether amines, to improve process sustainability Although ether amines have been applied for floating the wide range of ,...

The nature of hematite depression with corn starch in the ,

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Apr 03, 2018 0183 32 The function of corn starch and the significance of the order of addition of corn starch and mono ether amine in the reverse flotation of iron ore has been investigated Understanding hematite depression with starch and the corresponding hydrophilic state involves consideration of adsorption with amine as well as flocculation of fine hematite...

Reverse cationic flotation of iron ores with complex ,

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Jul 24, 2017 0183 32 Changes in the traditionally used reagent scheme for reverse cationic flotation, generally including alkaline pH values, polysaccharides as depressant mainly starches and primary ether amines and diamines, are expected when dealing with iron ores with complex silicate gangue compositionCITATION Veloso de Melo, C H, Correa de Araujo, A and ....

Synergistic effect of a mixture of dodecylamine and ,

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flotation of iron ore emulsified with fatty acids Glembotsky, 1963 It is reported that , Pereira 2003 reported the possibility of a partial replacement of ether amine with non-polar oils during reverse cationic flotation Emulsification of the oil phase in the amine solution was a key technology The best results were obtained with ....

PDF Cationic flotation of iron ores Amine ,

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The flotation performance of these amines was evaluated by means of the laboratory-scale flotation of an itabirite ore The etherainines proved to be the most effective collectors for this system...

Branched alkyl ether amines as iron ore flotation aids

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Branched alkyl ether amines as iron ore flotation aids Sep 9, 1980 - Exxon Research Engineering Co The use of primary aliphatic ether amines as silica collectors in the concentration of minerals by the froth flotation process More specifically, the use of mixtures of primary methyl branched aliphatic ether amines and the partially ....

Recycling of éther

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The present work has the objective of investigating the possible recycling route for ether-amines, used for improving the efficiency of the process of iron ore s reverse flotation A physical-chemical separation method has been studied using TANFLOC as flocculant The wastewater contains, mainly, amine and silica, and the objective of this method was to separate the silica ,...

The nature of hematite depression with corn starch in the ,

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Aug 15, 2018 0183 32 These studies are of importance since mono ether amine, used as a quartz collector in the reverse flotation of iron ore, also has an affinity towards hematite Captive bubble contact angle measurements were performed to determine the role of starch, and the significance of the order of addition in the reverse flotation of iron ore 15...

101016/jminpro200905007 DeepDyve

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Jun 11, 2020 0183 32 The effect of various ether amines widely used in iron ore industry on the flotation behaviour of kaolinite, the pH dependence of kaolinite flotation under the iron ore flotation conditions, and the role of ionic strength which is known to affect amine flotation, have never been systematically studied...

Polysaccharide Depressants for the Reverse Flotation of ,

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Dec 12, 2015 0183 32 Review of reverse flotation of iron ore is presented with a focus on the polysaccharide depressants used and the corresponding adsorption phenomena Iron oxide minerals have a special affinity for starch and other polysaccharides, and this special property facilitates their depression during the reverse cationic flotation of silica with ether amines in ,...

Froth Flotation of Iron Ores

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the most popular flotation route in iron ore industry, the direct flotation of iron ox ides still appears desirable for some low grade iron ores that contain a vast amount of quartz For example, at Republic Mine, Michigan, USA, a hematite ore is upgraded from 365 Fe to 654 Fe with a Fe recovery of 825 using the direct flotation route...

Ether amine flotation iron ore

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Ether amine flotation iron ore Apr 08, 2009 Ether amine greases are commonly used in the flotation of iron ore, and after use are discarded in the tailings dams The aim of this work was to quantify a commercial ether amine using the bromocresol green dye in chloroform The statistical data obtained show that the method is characterized by ....

Tackling The Pumping Of ing Slurries Ausenco ,

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Mar 15, 2017 0183 32 Quartz, the main waste mineral present in iron ore bodies, is typically reverse floated In this process, an ether-amine is used as a collector and as a frothing agent Slurry pH is key to proper flotation, but following the flotation process the pH needs to be dropped from 105 to 75 in order to reduce the additional pumping complexity...