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Most coal is used as fuel. 27.6% of world energy was supplied by coal in 2017 and Asia used almost three-quarters of it. [79] Other large-scale applications also exist. The energy density of coal is roughly 24 megajoules per kilogram [ 80 ] (approximately 6.7 kilowatt-hours per kg).
The coal industry uses the term "clean coal" to describe technologies designed to enhance both the efficiency and the environmental acceptability of coal extraction, preparation and use, [43] but has provided no specific quantitative limits on any emissions, particularly carbon dioxide.
The technology at the Kemper facility, Transport-Integrated Gasification (TRIG), was developed and is licensed by KBR. The CO 2 will be sent by pipeline to depleted oil fields in Mississippi for enhanced oil recovery operations. The plant missed all its targets and plans for "clean coal" generation were abandoned in July 2017.
Integrated gasification combined cycle (IGCC) is a coal power generation technology that uses a high pressure gasifier to turn coal (or other carbon based fuels) into pressurized gas—synthesis gas . Converting the coal to gas enables the use of a combined cycle generator, typically achieving high efficiency. The IGCC process can also enable ...
Root category for technological procedures using coal. e.g. gasification and clean coal technologies Subcategories This category has only the following subcategory.
Coal liquefactions originally was developed at the beginning of the 20th century. [2] The best-known CTL process is Fischer–Tropsch synthesis (FT), named after the inventors Franz Fischer and Hans Tropsch from the Kaiser Wilhelm Institute in the 1920s. [3] The FT synthesis is the basis for indirect coal liquefaction (ICL) technology.
At the same time, gas lights using natural gas or coal gas were coming into wide use. The invention of the internal combustion engine and its use in automobiles and trucks greatly increased the demand for gasoline and diesel oil, both made from fossil fuels. Other forms of transportation, railways and aircraft, also require fossil fuels.
FutureCoal undertakes lobbying, organises workshops, and provides coal information to decision makers in international energy and environmental policy and research discussions, as well as supplying information to the general public and educational organisations on the benefits and issues surrounding the use of coal.