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Silica CharacteristicsSilica is a general term for vein quartz, quartzite and quartz sandstone. It has a high melting point and boiling point, and is chemically stable, insoluble in water and does not react with water, and does not act with gene
Raw coal refers to the coal extracted from the ground or underground gross coal after screening and processing to remove gangue, pyrite and so on. Unwashed and unprocessed gross coal produced from coal mines is also called raw coal. Coal is mainly comp
Coal dust is a combustible material, particle characteristics of coal dust is composed of size does not pass, irregular shape of the particle powder, general coal dust particle diameter range of 0-1000um, mostly 20-50um particles. The role of coal dust
Lime an air-hard inorganic cementitious material with calcium oxide as the main component. Lime is made of limestone, dolomite, chalk, shells and other products with high calcium carbonate content, calcined at 900 to 1100 degrees Celsius. Lime is the e
Limonite is one of the principal iron minerals, and is of many shades of brown, generally stalactitic, grape-like, dense or loose lumpy or even earthy. As it is a weathering product of iron-bearing minerals, it is impure in composition and highly varia
Clay ores are the main minerals that make up claystones and soils, they are a number of aluminium- and magnesium-containing dominant hydrous silicate minerals, including mainly minerals of the kaolinite, illite, montmorillonite, vermiculite, and seafoa
Abrasive is a sharp, hard material, used to grind the surface of softer materials, abrasives have natural abrasives and man-made abrasives two categories. Abrasives have two important properties, the first is the hardness, it must be harder than the ma
Concrete aggregate refers to the role of the skeleton or filler in the concrete granular loose material, divided into coarse aggregate and fine aggregate, particle size greater than 4.75 mm of the aggregate is called coarse aggregate, commonly known as
Anthracite is the coal with the largest degree of coalification, commonly known as white coal or red coal, anthracite black hard, metallic luster, high fixed carbon content, low volatile fraction yield, high density, not easy to grind, hardness, high i
After gasification of raw coal in gas generator, solid residue is obtained, which is called slag or ash. Due to the different types of coal and gasification methods, the chemical composition and mineral composition of the slag varies, but its chemical
