crushed coal

См. также в других словарях:

• 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 upgrading technology — refers to a class of technologies developed to remove moisture and certain pollutants from low rank coals such as sub Bituminous coal and lignite (brown coal) and raise their calorific values. Companies located in Australia, Germany and the… …   Wikipedia

• 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 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 breaker — A coal breaking plant, depicted on a postcard in 1907. A coal breaker was a coal processing plant which broke coal into various useful sizes. Coal breakers also removed impurities from the coal (typically slate) and deposited them into a culm… …   Wikipedia

• Coal grade —   This classification refers to coal quality and use.   • Briquettes are made from compressed coal dust, with or without a binding agent such as asphalt.   • Cleaned coal or prepared coal has been processed to reduce the amount of impurities… …   Energy terms

• 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 seam fire — A coal seam fire near Denniston, New Zealand A coal seam fire or mine fire is the underground smouldering of a coal deposit, often in a coal mine. Such fires have economic, social and ecological impacts. They are often started by lightning, grass …   Wikipedia

• Coal preparation plant — A coal washer in Eastern Kentucky A coal preparation plant (CPP) is a facility that washes coal of soil and rock, preparing it for transport to market. A CPP may also be called a coal handling and preparation plant (CHPP), prep plant, tipple, or… …   Wikipedia

• Coal sampling —   The collection and proper storage and handling of a relatively small quantity of coal for laboratory analysis. Sampling may be done for a wide range of purposes, such as: coal resource exploration and assessment, characterization of their… …   Energy terms

• raw coal — for the purpose of Test Method D4749, any coal, regardless of its topsize, that has not been manually or mechanically cleaned. Crushed coal that has not been mechanically cleaned (including coal that has not been through a breaker which normally… …   Coke&Coal Terminology