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There are usually two types of calcined anthracite coal （abbreviate：CAC ) in China. One of which is gas calcined anthracite widely used in foundry and iron and steel plants as carburizer（carbon ad... The Difference between Graphite Petroleum Coke(GPC) with Calcined Petroleum Coke(CPC) Features and Application of Calcined Anthracite Coal Feat... "Laytime" is the term used to refer to the time allow... 1:SulfurSulfur is the impurity in the steel which brought... |