Search results for keyword: lignite
Calorific value of coal
Heat of combustion, also known as enthalpy of combustion, heating value, calorific value and heat of combustion, is the amount of heat produced by a complete combustion process, usually expressed in kcal/kg or joules/kg.
Heat of combustion is determined by testing the fuel in a calorimeter, which ......
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Sophia
properties of coal
Coal is a naturally occurring combustible material consisting primarily of the element carbon. It also contains low percentages of solid, liquid, and gaseous hydrocarbons and/or other materials, such as compounds of nitrogen and sulphur.
Coal is made predominantly of carbon along with varying qua......
Terms related to coal and its products
Coal has been the main source of energy supply in the world for many years. It is one of the most important raw materials used in a variety of industries, including power generation, steel production, cement manufacture, and petrochemical production. With such a wide range of applications, its no ......
Determination of Nitrogen in Coal
Determination of Nitrogen in Coal
Nitrogen is an important element in coal and has significant influence on utilization of coal. It is common that nitrogen content in coal varies greatly according to coal type, of which exceeds several thousand mg/kg. For instance, the nitrogen content in coal r......
ignition point of coal
The ignition point of coal is a key indicator that helps to measure the propensity of coal to catch alight easily and soon. Specifically, coal ignition point is the lowest temperature at which a coal sample will sustain ignition when exposed to the surrounding environment. It is generally measured......
coal
Coal
Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other elements; chiefly hydrogen, sulfur, oxygen, and nitrogen. Coal is formed when dead plant matter decays into peat and is converted into......
Briquette
Bituminous coal, also known as soft coal, is a relatively hard, black sedimentary rock used as a fuel in different industries. It is of higher quality compared to lignite and sub-bituminous coal due to the higher carbon content and a calorific value of 28-33MJ/kg. It has the characteristics of a d......
thermal coal
Coal has been an important source of energy since the beginning of the Industrial Revolution. Coal is a combustible black or brownish-black sedimentary rock that is composed mainly of carbon, hydrogen and oxygen. It is usually burned to generate electricity or to produce heat energy.
Coal is clas......
Characteristics of molten iron in LTF area
Low temperature ferrofluid (LTF) is a type of magnetically sensitive liquid. It is a suspension of ferromagnetic nanoparticles and a carrier liquid, usually water, organic oil, or special synthetic fluids.
LTF has a number of unique characteristics. First, it is a fluid that is capable of revers......
Fuxin mining area
Fuxin Mining Area
Fuxin Mining Area, located in Chinas Liaoning Province, is an important state-owned enterprise engaged in the production of coal and other raw materials. It is Chinas largest producer of lignite and also produces other coal and raw materials such as iron ore and copper.
Fuxin M......
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