coal gas


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Related to coal gas: Gas carbon, producer gas

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.
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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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

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
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
The movement of methane molecules require external energy support and there must be temperature variation in the process of coal gas desorption and diffusion.
An ideal utilization of Underground Coal Gasification would be to exploit the full potential of Thar coal and the establishment of a vast chain of chemical industries to manufacture several of the products that coal gas can yield.
A numerical model considering the effect of coal gas is established.
Southend-1 was the last of a five well gas exploration program drilled to further evaluate the potential for stratigraphically trapped gas and unconventional deep coal gas along the margin of the Patchawarra Trough.
PRIOR to the whole of the UK be edited published at the discretion being converted to North Sea gas some 40 odd years ago, methane gas was extracted from the workings of Point of Ayr colliery, processed by a facility operated by Wales Gas at Point of Ayr, and then fed into the national gas main which was coal gas.
Just like the old coal gas. And it can be just as lethal.
At the same time I had an argument with him about coal gas being heavier than air.
The Japanese companies will build the project in cooperation with the Research division of the Energy and Mineral Resources Ministry and the state-owned fertilizer company PT Pupuk Sriwijaya (Pusri) The project to be built toward the end of this year will produce coal gas to feed the fertilizer factory of PT Pusri in Palembang.
Also, we were promised that North Sea gas would be cheaper than coal gas. Is this something else to thank Maggie Thatcher for now we have no mines left?
The grown bacteria are allowed to metabolize a mixed gas, prepared by adding hydrogen to at least one of coal gas and biogas, into methane and at the same time, cobalamin contained in the fermented liquor is recovered as an extracellular product in the form of cyanocobalamin by using potassium cyanide to thereby produce vitamin B12 efficiently in a high content and high yield.
"According to tests, a PEMFC electric car can help protect the environment by replacing diesel in public transportation to help reduce consumption of oil and further reduce the greenhouse effect created by the emission of coal gas from motor vehicles."
There were no trees for sale in our neighborhood--because there was no one to buy them--and so the month of December, if it smelled at all, smelled of something a shissing alley cat had tugged from an overturned garbage can in somebody's yard, and of supper heating on the stove of a flat whose steamy kitchen window was open a crack to let in air from the alleyway, and of the bursts of noxious coal gas spewed from the furnace chimneys, and of the pail of ashes dragged up from the cellar to be emptied outdoors over slippery patches of sidewalk.