- carbonaceous coal
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• тощий уголь• уголь, стоящий по своему составу между метабитуминозным углем и антрацитом
English-Russian dictionary of geology. 2011.
carbonaceous coal
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Coal — Sedimentary Rock Anthracite coal Composition Primary carbon Secondary hydrogen, sulfur … Wikipedia
Coal 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… … Wikipedia
Coal liquefaction — is the process of producing synthetic liquid fuels from coal. Contents 1 Methods 1.1 Pyrolysis and carbonization processes 1.2 Hydrogenation processes 1.3 … Wikipedia
coal — 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… … Universalium
Coal Classification — In the United States, coals are classified by rank progressively from lignite (least carbonaceous) to anthracite (most carbonaceous) based on the proximate analyses of various properties (fixed carbon, volatile matter, heating value, and… … Energy terms
coal 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… … Universalium
coal measures — Geol. 1. coal bearing strata. 2. (caps.) in Europe, a portion of the Carboniferous System, characterized by widespread coal deposits. [1655 65] * * * Major division of Upper Carboniferous (323–290 million years ago) rocks and time in Great… … Universalium
carbonaceous — carbon ► NOUN ▪ a non metallic chemical element which has two main forms (diamond and graphite), occurs in impure form in charcoal, soot, and coal, and is present in all organic compounds. DERIVATIVES carbonaceous adjective. ORIGIN Latin carbo… … English terms dictionary
coal ball — noun : a nodule found in coal usually composed of calcite or silica and carbonaceous matter and having fragmentary or microscopic plant remains * * * a spherical mass of mineral and plant material embedded in coal beds, ranging in size from that… … Useful english dictionary
Coal — A readily combustible black or brownish black rock whose composition, including inherent moisture, consists of more than 50 percent by weight and more than 70 percent by volume of carbonaceous material. It is formed from plant remains that have … Energy terms
carbonaceous — adj. 1 consisting of or containing carbon. 2 of or like coal or charcoal … Useful english dictionary
