coal gas

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coal gas,

gas obtained in the destructive distillation of soft coal, as a byproduct in the preparation of cokecoke,
substance obtained by the destructive distillation of bituminous coal. Coke bears the same relation to coal as does charcoal to wood. A hard, gray, massive, porous fuel, coke is the solid residue remaining after bituminous coal is heated to a high temperature out of
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. Its composition varies, but in general it is made up largely of hydrogen and methane with small amounts of other hydrocarbons, carbon monoxide (a poisonous gas), carbon dioxide, and nitrogen. It is used as a fuel and illuminant.

coal gas

[′kōl ‚gas]
(materials)
Flammable gas derived from coal either naturally in place, or by induced methods of industrial plants and underground gasification.
Specifically, fuel gas obtained from carbonization of coal.

coal gas

a mixture of gases produced by the distillation of bituminous coal and used for heating and lighting: consists mainly of hydrogen, methane, and carbon monoxide
References in periodicals archive ?
Kunlun Energy, CNPC's listed company in Hong Kong, is designed to e ngage in developing towngas, auto-use gas and commercial gas businesse s throughout China.
Accenture was chosen for the project that went live in October 2015, based on its deep industry and technology experience, including cloud and mobile technology, Accenture Delivery Methods and its 10-year track record of delivering complex IT systems for Towngas.
Yu worked as the chief financial officer and company secretary of Towngas China Company Limited (SEHK: 1083, "Towngas China", formerly known as Panva GasHoldings Limited), Wai Chun Mining Industry Group CompanyLimited (SEHK: 0660) and Wai Chun Group Holdings Limited (SEHK: 1013).