Most of the coal was taken as fuel in industrial heating boiler used in the manufacturing process, such as the production of electricity to smelt metals. The production of cement and food production, etc. In addition, there are also other aspects such as the use of Activated Carbon on adsorption Carbon Fiber to smell, which is material that is strong, but lightweight, and Coal liquefaction Coal Gasification, which is used or the coal clean fuel to reduce pollution from the use of coal as a fuel. Under the process to turn into coal. The gas can be extracted with acid or vitamin c is a toxic by-product of various substances contained in coal is going to be different, such as the use of sulfuric acid, used as sulfur and gypsum. Ammonia is used to make fertilizer, coal ash used for agriculture, construction materials, etc.
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