volatile-matter content
1high volatile A bituminous coal — n the rank of coal, within the bituminous class of the Classification D388, such that on the dry and mineral matter free basis, the volatile matter content of the coal is greater than 31 % (or the fixed carbon content is less than 69 %), and its… …
2low volatile bituminous coal — n the rank of coal, within the bituminous class of Classification D388, such that, on the dry and mineral matter free basis, the volatile matter content of the coal is greater than 14 % but equal to or less than 22 % (or the fixed carbon content… …
3medium volatile bituminous coal — n the rank of coal, within the bituminous class of Classification D388, such that, on the dry and mineral matter free basis, the volatile matter content of the coal is greater than 22 % but equal to or less than 31 % (or the fixed carbon content… …
4coal utilization — Introduction combustion of coal or its conversion into useful solid, gaseous, and liquid products. By far the most important use of coal is in combustion, mainly to provide heat to the boilers of electric power plants. Metallurgical coke… …
5coal — coalless, adj. /kohl/, n. 1. a black or dark brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel. Cf. anthracite, bituminous coal, lignite. 2. a piece of glowing, charred, or burned wood or other… …
6semianthracite — n the rank of coal, within the anthracitic class of Classification D388, such that, on the dry and mineral matter free basis, the volatile matter content of the coal is greater than 8 % but equal to or less than 14 % (or the fixed carbon content… …
7maceral — ▪ organic compound Petrologic components in coal and their groupings Petrologic components in coal and their groupingsany of the numerous microscopically recognizable, individual organic constituents of coal with characteristic physical… …
8anthracite — n the rank of coal, within the anthracitic class of Classification D388, such that on the dry and mineral matterfree basis, the volatile matter content of the coal is greater than 2 % but equal to or less than 8 % (or the fixed carbon content is… …
9meta-anthracite — n the rank of coal, within the anthracite class of Classification D388, such that, on the dry and mineral matter free basis, the volatile matter content of the coal is equal to or less than 2 % (or the fixed carbon is equal to or greater than 98… …
10Coal assay — 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… …
