hard-cleaning coal

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• coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …   Universalium

• 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 — 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 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

• Clean coal — Historically[1] used to refer to technologies for reducing emissions of ash, sulfur, and heavy metals from coal combustion; the term is now commonly used to refer to carbon capture and storage (CCS) technology. Clean coal is an umbrella term used …   Wikipedia

• bituminous coal — a mineral coal that contains volatile hydrocarbons and tarry matter and burns with a yellow, smoky flame; soft coal. [1875 80] * * * or soft coal Most abundant form of coal. It is dark brown to black and has a relatively high heat value. Widely… …   Universalium

• Environmental impact of cleaning agents — Environmental impacts of cleaning agents are the consequences of chemicals contained in the products that are essential for their effectiveness. Bioactive molecules that are detrimental to the environment can either result from molecules that… …   Wikipedia

• труднообогатимый уголь — — [А.С.Гольдберг. Англо русский энергетический словарь. 2006 г.] Тематики энергетика в целом EN hard cleaning coal …   Справочник технического переводчика

• Russia — /rush euh/, n. 1. Also called Russian Empire. Russian, Rossiya. a former empire in E Europe and N and W Asia: overthrown by the Russian Revolution 1917. Cap.: St. Petersburg (1703 1917). 2. See Union of Soviet Socialist Republics. 3. See Russian… …   Universalium

• Business and Industry Review — ▪ 1999 Introduction Overview        Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …   Universalium