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Acriflow UL-230

Acriflow UL-230 is the sodium salt of polyacrylic acid of low molecular weight. It is used as a dispersant and suspending agent in industrial processes and applications.

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Alamine 304-1

Alamine 304-1 is water insoluble, tri-n-dodecyl amine which is capable of forming oil soluble salts of anionic species at low pH.

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Alamine 308

Alamine 308 is a water insoluble, tri-isooctyl amine which is capable of forming oil soluble salts of anionic species at low pH.

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Alclar 3000

Alclar 3000 is a high molecular weight anionic flocculant supplied as a free flowing powder. Alclar 3000 has been developed as an ultra-high molecular weight red mud flocculant and is designed to produce fast settling rates at lower dose levels than conventional primary flocculant whilst maintaining or improving optimum liquor clarity. Due to the very high anionic content of the polymer, it is primarily used in the initial settling and first stages of washing the red mud, when total alkalinity values are high.

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Alclar 5000

Alclar 5000 is an aqueous solution of polysaccharides. It is designed for the flocculation of fine alumina hydrate. The use of this product gives a much improved rate of sedimentation/filtration and capture of the fine hydrate, particularly at the tertiary thickening stage.

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Alclar 600

Alclar 600 is a 100 % anionic medium molecular weight flocculant supplied as a free flowing powder. Alclar 600 has been developed as a red mud flocculant suitable for use in the Bayer Process. It is designed to produce fast settling of the mud whilst maintaining or improving liquor clarity. Alclar 600 is primarily for use on the decanters but can be used effectively throughout the wash circuit. The high anionic content of Alclar 600 make it particularly suitable for use in liquors with high total alkalinity.

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Ammonium Bromate

Ammonium Bromate is widely used in mining as an explosive.

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Antiprex 461

Antiprex 461 is an aqueous solution of low molecular weight polyacrylic acid. It is an effective dispersant and rheology modifier for kaolin, gold processing slurries and other mineral suspensions. It functions as an efficient antiscalant for the prevention of scale deposits including calcium carbonate, calcium sulphate, strontium sulphate and barium sulphate in industrial systems.

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Aurix 100

Aurix 100 is extractant for gold and silver.

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Bauxite

Bauxite, an aluminium ore, is the world's main source of aluminium. It consists mostly of the minerals gibbsite (Al(OH)3), boehmite (γ-AlO(OH)) and diaspore (α-AlO(OH)), mixed with the two iron oxides goethite and haematite, the clay mineral kaolinite and small amounts of anatase (TiO2) and ilmenite (FeTiO3 or FeO.TiO2).Bauxite is usually strip mined because it is almost always found near the surface of the terrain, with little or no overburden.Usually, bauxite ore is heated in a pressure vessel along with a sodium hydroxide solution at a temperature of 150 to 200 °C. At these temperatures, the aluminium is dissolved as sodium aluminate (the Bayer process). The aluminium compounds in the bauxite may be present as gibbsite(Al(OH)3), boehmite(AlOOH) or diaspore(AlOOH); the different forms of the aluminium component will dictate the extraction conditions. The undissolved waste, bauxite tailings, after the aluminium compounds are extracted contains iron oxides, silica, calcia, titania and some un-reacted alumina. After separation of the residue by filtering, pure gibbsite is precipitated when the liquid is cooled, and then seeded with fine-grained aluminium hydroxide. The gibbsite is usually converted into aluminium oxide, Al2O3, by heating in rotary kilns or fluid flash calciners to a temperature in excess of 1000oC. This aluminium oxide is dissolved at a temperature of about 960 °C (1,760 °F) in molten cryolite. Next, this molten substance can yield metallic aluminium by passing an electric current through it in the process of electrolysis, which is called the Hall–Héroult process, named after its American and French discoverers.Bauxite is the main source of the rare metal gallium.

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