41· The cationic collector dodecyl amine and an iron concentrate with 65.1% total Fe, mainly as magnetite, were used for the flotation studies. In the absence of a magnetic field, the magnetite particles were fully dispersed and the iron flotation recovery linearly increased with the amine concentration.
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1123· Cationic reverse flotation could be one of the main alternatives for recovering ultrafine magnetite. As a systematic approach, this study explored the flotation efficiency and interaction mechanisms of two biodegradable ether amines (diamine and monoamine) to separate ultrafine quartz from magnetite (- 20 µm).
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201971· This paper proposes a new method to improve the reverse flotation performance of magnetite ore using a pulse magnetic field. Flotation tests were perf…
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Effect of reverse flotation on magnetic separation Abstract Reverse flotation studies on magnetite samples have revealed that the use of starch as a depressant of Fe oxides has a hydrophilic …
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Abstract: Compared to reverse cationic flotation, the advantages of reverse anionic flotation include relatively lower sensitivity to slimes and lower reagent cost. Besides, anionic collectors were found to have excellent capability of selectively separating an ultrafine magnetite ore.
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Effective flotation separation of magnetite from iron-bearing silicate minerals is difficult with conventional collectors because of their similar surface properties. In this work, polyoxyethylene alkyl amine (PAE), which is easy to prepare and has high surface activity, was used for the reverse flotation separation of fayalite and magnetite for the first time, and its selective …
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In this work, polyoxyethylene alkyl amine (PAE), which is easy to prepare and has high surface activity, was used for the reverse flotation separation of fayalite and magnetite for the first time, and its selective adsorption mechanism was revealed.
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201711· Abstract Compared to reverse cationic flotation, the advantages of reverse anionic flotation include relatively lower sensitivity to slimes and lower reagent cost.
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815· The reverse cationic flotation is also largely used to reduce the silica content in the iron concentrate obtained through magnetic separation. It is the most efficient upgrading process for simple systems composed of hematite/magnetite and quartz (Araujo et al., 2005, Filippov et al., 2014).
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Abstract: Reverse flotation studies on magnetite samples have revealed that the use of starch as a depressant of Fe-oxides has a hydrophilic effect on the surface of Fe-bearing silicates and significantly decreases Fe in the silica-rich stream when used in combination with an amine (Lilaflot D817M).
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420· As a practical approach, this work explored the effects of a novel polysaccharide-based grinding aid (PGA) on magnetite''s grinding and its reverse flotation.
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1129· Cao Z., Zhang Y., and Cao Y. studied the reverse flotation of quartz in magnetite with modified sodium oleate [11]. The purpose of this study is to study the purification effect of the DDA/NaOL/SDS mixed collector system for low-grade quartz ore.
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41· The cationic collector dodecyl amine and an iron concentrate with 65.1% total Fe, mainly as magnetite, were used for the flotation studies. In the absence of a magnetic field, the …
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If the gangue mineral in an iron ore is predominantly quartz, reverse flotation is usually used in the cleaning stage to improve the concentrate grade. Figure 9.13 presents a typical flow sheet for processing an oxidized iron ore containing about 30% Fe using a combination of SLon magnetite separators and reverse flotation. The ore is mainly composed of magnetite, hematite, martite, …
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1123· Thus, this study explores the potential use of ether amines by exploring two different reagents in the Lilaflot® range (ether diamine and ether monoamine produced by Nouryon), which are candidates for reverse cationic flotation to separate quartz from magnetite.
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Abstract: In this study, it was discovered that a mixture of dodecylamine (DDA)-kerosene demonstrated a stronger collecting ability for pure quartz and higher selectivity for magnetite ore. The relationship between the DDA-kerosene composition and mineral flotation performance on reverse flotation of magnetite ore was investigated.
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41· The cationic collector dodecyl amine and an iron concentrate with 65.1% total Fe, mainly as magnetite, were used for the flotation studies. In the absence of a magnetic field, the magnetite particles were fully dispersed and the iron flotation recovery linearly increased with the amine concentration.
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1231· Selective adsorption mechanism of polyoxyethylene alkyl amine in reverse flotation separation of fayalite and magnetite without depressant 2025, Separation and Purification Technology
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1 · Magnetite is an excellent resource for steel production, and silicon is a typical harmful impurity in magnetite. Therefore, the removal of quartz minerals is essential to improve the …
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The reverse cationic flotation is one of the main processes used by the iron ore industry In this process,Laurylamine is the main collector for quartz,and starch is the depressor for the iron …
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Semantic Scholar extracted view of "Inhibiting the amine flotation of magnetite through aggregation with uniform low magnetic fields and no chemical depressants" by A. López-Valdivieso et al.
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Abstract Reverse flotation studies on magnetite samples have revealed that the use of starch as a depressant of Fe-oxides has a hydrophilic effect on the surface of Fe-bearing silicates and significantly decreases Fe in the silica-rich stream when used in combination with an amine (Lilaflot D817M).
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reverse flotation for magnetite reverse flotation magnetite amine Results 1 ph needed for magnetite flotation process Reverse anionic flotation of magnetite is conducted at a higher pH value
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2024915· The following phase involved the execution of exploratory bench-scale flotation tests with the objective of assessing the feasibility of employing reverse cationic flotation to concentrate the magnetite contained in LIMS circuit product.
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If the gangue mineral in an iron ore is predominantly quartz, reverse flotation is usually used in the cleaning stage to improve the concentrate grade. Figure 9.13 presents a typical flow sheet for processing an oxidized iron ore containing about 30% Fe using a combination of SLon magnetite separators and reverse flotation. The ore is mainly composed of magnetite, hematite, martite, …
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Selective adsorption mechanism of polyoxyethylene alkyl amine in reverse flotation separation of fayalite and magnetite without depressant Qi Meng, Zhijun Zhang
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1123· Cationic reverse flotation could be one of the main alternatives for recovering ultrafine magnetite. As a systematic approach, this study explored the flotation efficiency and …
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Abstract Reverse flotation studies on magnetite samples have revealed that the use of starch as a depressant of Fe-oxides has a hydrophilic effect on the surface of Fe-bearing silicates and significantly decreases Fe in the silica-rich stream when used in combination with an amine (Lilaflot D817M).
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As a retrofit flotation study to fill some of these gaps, this investigation explored the coupling of an electromagnet with different flotation cell types called “MAGFLO”. Steel and stainless-steel cells, as typical materials for making industrial cells, were used to examine the effect of a magnetic field on the ultrafine reverse magnetite flotation separation from quartz. No flotation
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730· Considering the better collectability of amide-amine for quartz flotation and lower adsorption affinity for hematite surface than etheramine, the amide-amine is a promising collector to be used in reversal iron ore flotation.
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