coal ash characteristics

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• Coal — Sedimentary Rock Anthracite coal Composition Primary carbon Secondary hydrogen, sulfur …   Wikipedia

• Coal combustion products — (CCPs) (also called coal combustion wastes (CCW)) are categorized in four groups, each based on physical and chemical forms derived from coal combustion methods and emission controls: Fly ash is captured after coal combustion by filters (bag… …   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

• Ash —   The non combustible residue of a combusted substance composed primarily of alkali and metal oxides.   ***   Impurities consisting of silica, iron, alumina, and other noncombustible matter that are contained in coal. Ash increases the weight of… …   Energy terms

• 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 — 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 analysis —   Determines the composition and properties of coal so it can be ranked and used most effectively.   • Proximate analysis, determines, on an as received basis, the moisture content, volatile matter (gases released when coal is heated), fixed… …   Energy terms

• 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 mining — Men leaving a UK colliery at the close of a shift Surface coal mining in Wyo …   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

• Fly ash — Photomicrograph made with a Scanning Electron Microscope (SEM): Fly ash particles at 2,000x magnification Fly ash is one of the residues generated in combustion, and comprises the fine particles that rise with the flue gases. Ash which does not… …   Wikipedia