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Coking is the heating of coal in the absence of oxygen to a temperature above 600 °C (1,112 °F) to drive off the volatile components of the raw coal, leaving a hard, strong, porous material of high carbon content called coke. Coke is almost all carbon. The porosity gives it a high surface area, which makes it burn faster (as does a sheet of ...
Metallurgical coal or coking coal[1] is a grade of coal that can be used to produce good-quality coke. Coke is an essential fuel and reactant in the blast furnace process for primary steelmaking. [2][3][4] The demand for metallurgical coal is highly coupled to the demand for steel. Primary steelmaking companies often have a division that ...
Coke is a grey, hard, and porous coal-based fuel with a high carbon content. It is made by heating coal or oil in the absence of air. Coke is an important industrial product, used mainly in iron ore smelting, but also as a fuel in stoves and forges. The unqualified term "coke" usually refers to the product derived from low-ash and low-sulphur ...
Petroleum coke, abbreviated coke, pet coke or petcoke, is a final carbon -rich solid material that derives from oil refining, and is one type of the group of fuels referred to as cokes. Petcoke is the coke that, in particular, derives from a final cracking process—a thermo-based chemical engineering process that splits long chain hydrocarbons ...
The oldest type, introduced in 1798 by Murdoch, et al.; when the term "manufactured gas" or "town gas" is used without qualifiers, it generally refers to coal gas. Substantially greater illuminant yield with use of special "cannel coal", which may be modern oil shale, richer in hydrocarbons than most regular gas coal (bituminous coal). Wood gas
Coal analysis. Coal analysis techniques are specific analytical methods designed to measure the particular physical and chemical properties of coals. These methods are used primarily to determine the suitability of coal for coking, power generation or for iron ore smelting in the manufacture of steel.
Coal gas. Coal gas is a flammable gaseous fuel made from coal and supplied to the user via a piped distribution system. It is produced when coal is heated strongly in the absence of air. Town gas is a more general term referring to manufactured gaseous fuels produced for sale to consumers and municipalities. [1]
A coking factory or a coking plant is where coke and manufactured gas are synthesized from coal using a dry distillation process. The volatile components of the pyrolyzed coal, released by heating to a temperature of between 900 °C and 1,400 °C, are generally drawn off and recovered. There are also coking plants where the released components ...
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