anionic collectors for iron ore flotation

Flotation Reagents

 · Anionic collector. See oleic acid. Sapamine MS: A cationic reagent. Clear liquid. Undiluted.1 to .3: Promoter in floating silica from gypsum. Also useful in flotation of iron ores. Soda Ash: Na2Co3. White water soluble powder. "Trona". Dry or 10-20% solution: 1.0 to 5.0: A widely used alkalinity regulator in selective flot. of lead-zinc ores.

More Details

froth flotation of iron ores in china

2012-1-2 The history of iron ore flotation started with direct flotation of iron oxides using anionic collectors such as petroleum sulphonate, fatty acids and hydroxamates. In 1950s, the direct flotation route was integrated in plants, including Humboldt Mine (USA, 1954), Republic Mines, (USA, 1956), and Anshan Iron Steel Corporation, (China ...

More Details

Studies on the adsorption of flotation collectors on iron ...

the ore by reverse flotation using anionic fatty acid based collectors [2]. Balling of the flotated iron ore concentrates has always been considered challenging [3, 4] due to the fact that any contamination of the iron ore with the fatty acid flotation collector

More Details

Mining

Our mining portfolio includes flotation collectors, depressants, frothers, dewatering aids and additional process aids as well. We can help improve your enrichment rates if you work with apatite/phosphate, calcite, iron ore, potash, sulfide and a wide variety of other minerals. We also offer the CELECT, FINNFIX and Peridur brands, which ...

More Details

Minerals | Free Full-Text | Collecting Agent–Mineral ...

The application of mixed anionic collectors in reverse iron ore flotation has been long investigated [74,75,76]. The use of mixture of anionic collectors aims to increase the collector solubility in order to reduce the collector consumption.

More Details

How to Process Hematite: Beneficiation Methods and Project ...

 · Cationic collectors For high-grade ore with complex composition Simplify the process, avoid desliming, and reduce the loss of iron minerals. NA Anionic collectors For high-grade ore with floatable Quartz Composition of iron ore and sludge content have little effect on the flotation index, easy to concentrate and filter.

More Details

Fine Grained Iron Ore Selective Flocculation and Flotation

 · Substantial portions of these programs have been allotted to the Minneapolis Metallurgy Research Center where iron ore flotation research is a major endeavor. A previous paper, delivered in 1962 to the 35th Annual Meeting of the Minnesota Section of AIME, in Duluth, Minn., described work at this center on applications of the anionic flotation ...

More Details

Froth flotation of silica from iron ore by anionic collectors

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 ...

More Details

Flotation and adsorption of quartz with the new collector ...

 · Non-ionizing collectors are predominantly used to collect non-polar minerals; while, ionizing collectors can be classified into cationic and anionic collectors. The cationic and anionic collectors are both widely applied in the reverse flotation of iron ores (Liu et al. 2018). Yet compared to the anionic collectors, the cationic ones do not ...

More Details

Comparative studies of reverse cationic/anionic flotation ...

 · The reverse anionic flotation was conducted without desliming, which appears to support the claim by Houot (1983). Since the investigation of reverse anionic flotation by U.S. Bureau of Mines (Wasson et al., 1963), a variety of new ether amine collectors have been developed for iron ore flotation.

More Details

Iron ore flotation: Practice, problems, and prospects ...

 · The significant applications of iron ore flotation are reviewed along with an abbreviated discussion on theory and reagent use. Problems or conditions which have militated against a widespread adoption of the flotation process by the iron ore industry, are discussed in contextual relationship to supply, economics, alternatives, and process limitations.

More Details

Flotation behavior and separation mechanism of quartz and ...

ore. For reverse anion flotation of quartz from iron ores, reagents NaOH, corn starch, CaO/CaCl 2 and anionic fatty acids are used as pH adjuster, depressant, activator, and collector, respectively (Ma et al., 2011; Houot, 1983; Frommer, 1967;). Activation of quartz with Ca or Mg ions prior to anionic flotation

More Details

Open Access Mixed Anionic/Non-Ionic Collectors in ...

14 The Open Mineral Processing Journal, 2011, 4, 14-24 1874-8414/11 2011 Bentham Open Open Access Mixed Anionic/Non-Ionic Collectors in Phosphate Gangue Flotation from Magnetite Fines K. Hanumantha Rao1,*, R. K. Dwari2, S. Lu3 A. Vilinska1 and P. Somasundaran3 1Division of Mineral Processing and Metallurgy, Department of Chemical Engineering and Geosciences, Luleå

More Details

Froth flotation 2

 · Reagents1.4.1. Anionic Collectors for Sulfide Minerals1.4.2. Anionic Collectors for Oxide Mineralso The collectors available for flotation of oxide minerals arenot as selective as the collectors used for sulfide mineralflotation, as they attach to the surface by electrostaticattraction rather than by chemically bonding to thesurface.

More Details

Flotation of Iron Oxides and Quartz—A Review: Mineral ...

 · Froth flotation of iron oxides and quartz is reviewed over the broad range of particle sizes. The review, which embraces laboratory-, pilot plant- and industrial operations, encompasses (i) surface chemistry of iron oxides and quartz flotation (ii) relevant collectors and their adsorption mechanism and (iii) activation/depression in selective flotation, in this system.

More Details

Common Hematite Flotation Methods and Introduction of ...

 · Hematite positive flotation separation uses anionic collectors to collect iron minerals from the raw ore, leaving the gangue minerals in the slurry of the flotation cell. The tailings can be discarded under coarse-grained conditions without desliming. Collectors commonly used are fatty acids or hydrocarbon sulfate and petroleum sulfonate, etc.

More Details

Reprocessing of Sangan iron ore tailings by flotation

the upgradation of iron ore tailings. This flotation route is not sensitive to the presence of slime-sized materials, and the anionic collectors are significantly cheaper than the cationic collectors. In reverse flotation by anionic collectors, initially, lime is added to the pulp for the pH adjustment at …

More Details

Improving spodumene flotation using a mixed cationic and ...

The research on anionic and cationic mixed collectors for spodumene flotation is at the early stage (Xu et al., 2016). In the present work, a mixture of oleic acid and dodecylamine, named YOA, was applied in spodumene flotation. The flotation tests were conducted for pure minerals and a real ore.

More Details

The effects of partially replacing amine collectors by a ...

 · Based on the collector used, iron-bearing metallic mineral flotation operations are of two main types: anionic and cationic. The difference between the two methods is related to which material (valuable mineral or gangue) is floated and recovered to the concentrate.

More Details

Role of Surfactants in Mineral Processing: An Overview ...

 · Anionic collectors are opted for minerals when the surface bears a net positive charge and these collectors ionize in the solution to give negative charge. ... 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.

More Details

The Desulfurization of Magnetite Ore by Flotation with a ...

a problem in iron ore processing. This study utilized froth flotation to float pyrrhotite away from ... The influence of nonionic reagents on anionic collector flotation of calcium minerals was investigated [12]. The addition of nonionic reagents to anionic collectors ... The Desulfurization of Magnetite Ore by Flotation with a Mixture of ...

More Details

Flotation collectors optimized performance

higher-grade iron ore concentrates with fewer impurities are requested by the steel industry. For more than 25 years, we have been developing flotation collectors in close collaboration with the industry both for magnetite and hematite systems. In recent years, we have developed new methodologies to study froth characteristics that complement

More Details

Bridging Theory And Practice In Iron Ore Flotation

CHOICE OF FLOTATION METHODS Iron ores may be upgraded by flotation of either iron oxides or siliceous gangue using either a cationic or anionic collector as illustrated in Table 1. Each Table 1. Classification of Iron Ore Flotation Methods R Paraffin chain containing 12 - 18 carbon.

More Details

(PDF) Selection of Cationic Collector for Reduction of ...

Selection of Cationic Collector for Reduction of Alumina and Silica in Iron Ore Slimes of an Operating Plant by Flotation. International Journal of Engineering Sciences & Research Technology, 2013. Ijesrt Journal. ... Evaluation of Flotation Collectors in Developing Zero Waste Technology for Processing Iron Ore …

More Details

An Overview of Calcite Recovery by Flotation | SpringerLink

 · Iron ore pellets are stable and homogenous and therefore easy to transport and load into the blast furnace. Limestone (both low and high grade) and lime are employed in the preparation of these iron ore pellets. ... Interactions of anionic collectors in flotation of semi-soluble salt minerals (NatoConference) Rao KH, Forssberg KSE (1991c ...

More Details

US2423022A

Froth flotation of silica from iron ore by anionic collectors Download PDF Info ... ore ton 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

More Details

Polyacrylamide Used in Flotation

In reverse flotation, iron ore inhibitors are added to the pulp firstly, and then cationic or anionic collectors are used for reverse flotation. Sometimes, the useless mineral particles are floated out and the useful mineral particles are left in the pulp, which is called reverse flotation, such as quartz from iron ore. Related resources by ...

More Details

RECOVERING IRON VALUES FROM IRON ORE SLIMES USING …

some of their properties and other desirable features. The two main classes of iron ore collectors are as follows: (a) Anionic: Organic acids containing a hydrocarbon group, and/or the ammonium, potassium, or sodium salts of these acids. In iron ore flotation the important reagents in this group would include the straight chain fatty acids and ...

More Details

Utilization of novel ester-containing quaternary ammonium ...

 · The flotation of quartz, silicates, and mica is frequently carried out with cationic collectors. Reverse cationic flotation of quartz is very effective for the beneficiation of iron ores to produce high grade iron ore concentrates. In this process, quartz as a main gangue mineral is floated with cationic collectors.

More Details

US2387081A

US2387081A US468523A US46852342A US2387081A US 2387081 A US2387081 A US 2387081A US 468523 A US468523 A US 468523A US 46852342 A US46852342 A US 46852342A US 2387081 A US2387081 A US 2387081A Authority US United States Prior art keywords flotation iron silica ore reagent Prior art date 1942-12-10 Legal status (The legal status is an assumption and is not a legal …

More Details

Effect of sodium silicate on the reverse anionic flotation ...

Flotation is usually employed to remove silicate as the main impu-rities frommanyore types,especiallyiron ores. Ironoxides canbecon-centrated either by direct flotation, using anionic collectors, or reverse flotation of siliceous gangue with both cationic and anionic collectors [2,1]. Studies showed that the flotation recovery and ...

More Details

Froth Flotation of Iron Ores

 · The two anionic flotation routes developed by Hanna Mining and Cyanamid, i.e. 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 hydroxamates.

More Details

Copyright © 2007-2021 AMC sitemap