Bauxite is used in a lot of industries like the chemical industry, refractory, abrasive, cement, steel, and petrol industry amongst others. In chemical, bauxite along with alumina is used in the manufacturing of aluminum chemicals. In refractory, it is used as a raw material for making several products.
Bauxite is a naturally occurring mineral comprising mainly of aluminium hydroxides (the trihydrate Gibbsite Al(OH)3and the AlOOH monohydrate polymorphs boehmite and diaspore), with other components in the mineral typically being silica, iron oxide, titania and aluminosilicates (clay etc). It’s a rock from Laterite soil and it is a primary Ore of Aluminium. Properties of Bauxite include low iron content; a high Polished Stone Value (PSV) for high friction surfacing applications; a high melting point and density. APPLICATIONS Gunning materials High friction surfacing Minerals for abrasion Refractory castables Mouldable and Ramming Mixes Refractory mineral blends CEMENTATION believes in supplying quality bauxite with consistency to its customers across the world, according to their needs.
Highly market value all time in demand Highly Qualitative properties Purity will be 99.98%
Calcined Bauxite is obtained by calcining (heating in a Kiln) superior grade Bauxite at high temperatures (8500C to 16000C), this process removes the crystalline moisture leading to a higher alumina content. Compared to an alumina content of about 57 % to 58 % in raw Bauxite, Calcined Bauxite has an alumina content of 84 % to 88 %. Calcined Bauxite is used as raw material for manufacturing fused alumina and high alumina refractories. Ashapura produces Calcined Bauxite for various applications such as refractory bricks, abrasives, steel polishing, etc.; we are committed to provide consistency in quality and availability of product at extremely competitive prices.
Activated Bauxite is an excellent adsorbent material with multiple applications. Thermal activated bauxite is used for refining of lubricant oil and waxes. Ashapura’s activated bauxite is produced in controlled conditions to achieve maximum adsorption capacity. Activated bauxite is used in petrochemical industries to clarify and regenerate oils as aviation kerosene and paraffin. Our Activated bauxite is used as catalyst for desulfurization, deflourination, cracking, dehydrogenation, and dehydration reactions. It is used as desiccant in many chemical processes, i. e, to remove water in liquid or vapor from gases, vapors and liquids. Desiccant grade bauxite is placed towers or columns and moisture containing gas or liquid is passed through to get rid of water content. Transformer oil regeneration and reduction in color is an important application, where activated bauxite is used. It’s also finds use in the treatment of waste lubricant oils, motor oil, mineral oil and chemicals because of high adsorption capacity. Majorly these applications utilize percolation method. As a catalyst activated bauxite is used to enhance petrochemical reactions in petrochemical industry. The product is available in granular and powder form with various sizes and shapes. The uniform size distribution of Ashapura’s activated bauxite provides added advantage in afore said applications.
Aluminium ( ingots, t bars, sows, rods), copper (cathodes, cakes, billets, ingots, rods), lead (ingots), nickel (cathodes both cut and uncut briquettes, pellets, discs, etc.), tin (ingots, etc.), zinc (ingots both regular size and jumbos), steel billets (all types including crc, hrc, hdgc, plates, sheets), concentrates and ores for above items including bauxite, manganese, clinker and iron ores etc), scraps of above items including hms 1&2 and steel scraps.
As we all know, China is the world's leading supplier of bauxite, producing over three million tons per year for refractory, abrasive, and welding applications. Calcined bauxite is made of excellent bauxite ores, fired in a kiln to impart its superior abrasive qualities, hardness, and long-term frictional resistance. This materials are in stable index, homogeneous structure and excellent high-temperature performance. Its high alumina and low iron make calcined bauxite be the ideal raw material in refractory and abrasive products.
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In its mineral form Bauxite, Aluminium is the most abundant metal in the earth's crust. Bauxite contains one of a variety of hydrated aluminium oxides (gibbsite, boehmite or diaspore), which are often expressed as Al2O3xH2O but are more commonly regarded as impure Al2O3. Bauxite is claylike and earthy, and ranges in colour from white to deep brown or red according to the nature and quantity of its components. The major impurities in Bauxite are iron oxides (goethite & hematite), silicon dioxide, the clay mineral kaolinite as well as small amounts of anatase (TiO2). Consequently, its composition varies considerably with alumina constituting from about 50% to about 70%. Aluminium content can be accurately and precisely determined over a broad analytical range simultaneously along with Si, Fe, Mn, Ti, Zr and up to 20+ other elements. Item Specification Color: Brown, yellow / light red Granularity: 0-1/1-3/3-5/5-8 mm, 200/325 mesh Application: Aluminium/Precision Casting/Refractory Density: 4.3 g/cm3 Hardness: 1-3 Fe2O3 Content: 3.0% Max CaO Content: 0.2 Max Package: 25 kg/bag Payment terms: T/T L/C
Aluminum Oxide (Al2O3) 55 % Min Below 54% Rejection Ferric Oxide (Fe2O3) 18-24 % nominal Silicon Dioxide (SiO2) 6 % Max above 7 % Rejection Titanium Oxide (TiO2) 11 % Max Calcium Oxide (CaO) 1.50% Max Magnesium Oxide (MgO) 1.50% Max Loss on Ignition (LOI) 11-14 % average Moisture 4.00% Max Size 0-200mm depends of the Clint
Rotary kiln calcined bauxite is obtained by calcining superior grade bauxite at high temperatures (from 850 to 1600) in the rotary kiln. This removes moisture thereby increasing the alumina content. Compared to an alumina content of about 57% to 58% in raw bauxite, calcined bauxite has an alumina content of 84% to 88%. Besides, through calcination, the density and refractory resistance will also be improved to varying degrees. The grade of bauxite can be increased greatly.
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