US2423022A US530370A US53037044A US2423022A US 2423022 A US2423022 A US 2423022A US 530370 A US530370 A US 530370A US 53037044 A US53037044 A US 53037044A US 2423022 A US2423022 A US 2423022A Authority US United States Prior art keywords ore ton iron silica flotation Prior art date 19440410 Legal status (The legal status is an assumption and is not a legal conclusion.

China Flotation Reagent For Tungsten Ore Iron Ore Lithium Ore Magnetite Ore Find Detail Chemical Reagents Organic Reagents From Dalian DaPing Oil Chemicals Co.,LTD Looks like you are not ExportHub's Member yet Signup now to connect with over 7 Million Importers Exporters globally.

This study showed that these main coloured impurities in the albite ore can be floated together in an alkali medium by singlestage flotation, using fatty acid based collector.

Fatty acids are known as oxhydryl collectors which are used in practice for nonsulfide ore flotation. However, the selectivity of these collectors is low towards to gangue minerals occurring in the ore. In the present study the introduction of substitutes into the aliphatic chain of fatty acids has been suggested as the way for improvement the selectivity of collectors.

minerals Article Separation Mechanism of Fatty Acids from Waste Cooking Oil and Its Flotation Performance in Iron Ore Desiliconization Wenda Guo 1,*, Yimin Zhu 1,*, Yuexin Han 1, Yihe Wei 2 and Binbin Luo 1 1 College of Resource and Civil Engineering, Northeastern University, Shenyang 110819, China; dongdafulong (); bluo2 ()

Flotation Collectors Sulphonated Fatty Acids US5962828A Enhanced flotation reagents for , An improved phosphate ore beneficiation process is disclosed which comprises the employment of a novel combination of surfactants which, when combined with fatty acid collectors, enhances recovery of phosphate minerals in anionic flotation, even when used in plant water...

Jan 02, 2012· The reagents used in iron ore flotation, including starch, amines and fatty acids, and the mechanisms of their interactions with the minerals in iron ore are examined. The presence of some specific impurities other than quartz in iron ore, such as alumina containing minerals, kaolinite and gibbsite, and phosphorous, is detrimental and ...

l?micron size is removed) by use of a hydraulic elutriator. Flotation then is car­ ned out using each fatty acid under test at a series of pH values and, in some in­ stances, employing different ratios of fatty acid to ore (figure 1). The iron content of the concentrates and of the tailings then is determined, This

flotation from quartz. In their extensive study, they concluded that fatty acids and their soaps are superior collectors for hematite flotation and among these, sodium oleate is the best collector. Rietz [2], Kihlstedt [3] and Kivalo et al. [4] have demonstrated the successful use of tall oil in hematite flotation.

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 wasThe history of iron ore flotation started with direct flotation of iron oxides using anionic collectors such as petroleum sulphonate, fatty ...

Collector: fatty acid, fatty acid emulsion, fatty acid soap and/or organomodified siloxane; Specific ore applications. Illustrative, the flotation process is used for purification of potassium chloride from sodium chloride and clay minerals. The crushed mineral is suspended in brine in the presence of fatty ammonium salts.

Reagents for the removal of iron minerals include a combination such as hydrofluoric acid for a pH of 5, sodium resinate and a frother. The conditioned pulp is then diluted to a 2025% solids for flotation. Complete removal of iron minerals along with some remaining feldspar is accomplished in a froth product which is small and is discarded.

Flotation comparative experiments have been conducted using different collectors for iron ore flotation such as monoetheramine and modified fatty acids. In both cases, hydrolyzed starch has been

Amine salts are useful as flotation agents (collectors) and at present are the most important cationic collectors used in iron ore flotation. All silicate flotations in the Brazilian state of Minas Gerais are accomplished using fatty amines and basically consist of the selective separation of quartz particles from iron …

Jul 17, 2020· Pb flotation reagents. Collective flotation of lead, copper, and iron sulfides is usually carried out in a soda medium at a pH of 8–9. The leading collectors used are xanthates and, in most cases, in mixtures with different long hydrocarbon chain reagents. Frother agents include pine oil type.

US3265211A US288876A US28887663A US3265211A US 3265211 A US3265211 A US 3265211A US 288876 A US288876 A US 288876A US 28887663 A US28887663 A US 28887663A US 3265211 A US3265211 A US 3265211A Authority US United States Prior art keywords flotation amine gilsonite froth ore Prior art date 19630619 Legal status (The legal status is an assumption and is not a legal …

Reverse Flotation Of Phosphate. Phosphate Ore Flotation. Phosphoric acid and derivatives eg diphosphonic acid is the most widely used depressant in reverse flotation of phosphate ore in order to depress the valuable mineral apatite while sodium silie and gum arabic are used as depressants for the gangue minerals in direct flotation of the phosphate ores. more

Dec 02, 2014· supply fatty acids for the mines in Florida, one rarely finds the same product being used in two plants. Currently, each company has its own specifications for fatty acids. These specifications may include acid number, rosin content, moisture and unsaponifiables. Unlike flotation of sulfide minerals, flotation of phosphate has not been investigated

In the mining industry, the reaction product of tall oil fatty acids and DETA can be used to separate silica from phosphate ore by flotation methods. The amidoamine is attracted to the negatively charged silica, which float the silica to the surface when the flotation cell is aerated, while the purified ore sinks to the bottom (see Figure ).

control in iron ore flotation circuits and the level of ionic strength in iron ore flotation pulp. The presence of calcium and magnesium is particularly detrimental to kaolinite removal from iron ore[32]. For dispersantkaolinite interactions, it was found that sodium silicate, a standard dispersant widely used in iron ore flotation for silicate

Oct 24, 2012· Collector: fatty acid, fatty acid emulsion, fatty acid soap and/or organomodified … Dolomite flotation of high magnesium phosphate ores using fatty … The separation of dolomite from apatite has been … In this study, selective surfactants were used with a fatty acid soap collector to improve the flotation … US Patent 5,147,528.

The reagents used in iron ore flotation, including starch, amines and fatty acids, and the mechanisms of their interactions with the minerals in iron ore are examined. The p resence of some ...

Froth Flotation of Iron Ores sapub. 201212 With the depleting reserves of highgrade iron ore in the world, froth flotation has become increasingly important to process intermediate and lowgrade iron ore in an attempt to meet the rapidly growing demand on the international market.

derived from fatty acids and resin acids; their acetate salts and condensates of fatty acids with alkylamines have been used in the past chiefly for flotation of silica and silicate minerals. Nevertheless, ether amines or diamines derived from alcohols and acrylonitrile are most suitable for iron ore …

A method of beneficiating oxidized iron ores by froth flotation which comprises subjecting the ore to froth flotation in the presence of an effective amount of a collector consisting essentially of a sulfonated aliphatic fatty acid selected from the group consisting of the aliphatic fattyacids having at least eleven carbon atoms and mixtures ...

Fluorite Flotation Process . Only jig can deal with the coarse fluorite ore. Fluorite flotation equipment includes crusher, ball mill, flotation machine etc. Jaw crusher is the primary crusher. It is used in fluorite coarse crushing process. Cone crusher is the fine crushing machine used in fluorite processing plant.

Froth Flotation of Iron Ores sapubWith the depleting reserves of highgrade iron ore in the world, froth flotation has become increasingly important to p

Modifying agent when used with Tallso and other fatty acids in flotation of ilmenite and rutile from beach sand. Naphthenic Acid “D” A petroleum biproduct. Undiluted liquid .5 to : A frother and promoter for flotation of potash salts, barite, magnesite and various other nonmetallics. Naphthenic Acid …