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Coke - LoveToKnow 1911 (2140 words) |
 | COKE (a northern English word, possibly connected with "colk," core), the product obtained by strongly heating coal out of contact with the air until the volatile constituents are driven off; it consists essentially of carbon, the so-called "fixed carbon," together with the incombustible matters or ash contained in the coal from which it is derived. |
| Formerly coke was made from large coal piled in heaps with central chimneys like those of the charcoal burner, or in open rectangular clamps or kilns with air flues in the enclosing walls; but these methods are now practically obsolete, closed chambers or ovens being generally used. |
| This property is utilized in several large coking plants in America, where the gas from the first ten hours' working is drawn off by a second hydraulic main and sent directly to town gas-works, where it passes through the ordinary purifying treatment, the gas from the second period being alone used for heating the ovens. |
| Coke (fuel) - Wikipedia, the free encyclopedia (493 words) |
| Coke is a solid carbonaceous residue derived from destructive distillation of low-ash, low-sulfur bituminous coal. |
| Coke is used as a fuel and as a reducing agent in smelting iron ore in a blast furnace. |
| The use of coke as a fuel was pioneered in 17th century England in response to the ever-growing problem of European deforestation. |
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