Coking Sentence Examples
Very important distinctions-those of caking or non-caking-are founded on the behaviour of coals when subjected to the process of coking.
In some instances the coal seams may be changed as a whole, as for instance in South Wales, where the coking coals of the eastern side of the basin pass through the state of dry steam coal in the centre, and become anthracite in the western side.
The coal deposits of Washington are the only important ones in the Pacific states, and in Washington only, of the Pacific states, is there any coking coal.
The coal underlying the east half of the state, the " Great Plains," is lignitic and of inferior quality, but that in the mountain districts is bituminous and generally suitable for coking.
Trinidad has railway shops, foundry and machine shops, and coking ovens, ships large quantities of coal, has a woolscouring mill, and various manufactures.Advertisement
Coal of a bituminous and also semi-anthracite kind is produced, the best mined on the Pacific slope of the continent, the coking coals of the Fernie region supplying the fuel of the great metal mining districts of the Kootenays in British Columbia, and of Montana and other states to the south.
The Pittsburg district, comprising the counties of Allegheny, Washington, Fayette and Westmoreland, is exceptionally productive, and the coal in Allegheny and Washington counties is noted for its gas-producing qualities, while in Fayette and Westmoreland counties is obtained the famous Connellsville coking coal.
The manufacture of great quantities of coke has resulted from the demand for this product in the iron and steel industry and from the abundance of coking coal; the manufacture of glass has been promoted by the supply of glass sand and natural gas in the west of the state; the manufacture of leather by the abundance of hemlock bark; the manufacture of pottery, terra-cotta and fire-clay products by the abundance of raw material; the manufacture of silk and silk goods by the large number of women and girls who came into the state in families of which the men and boys were employed in mining and picking anthracite coal; and in each of these industries as well as in a few others the state has for many years produced a large portion of the country's product.
In Tazewell county is the famous Pocahontas bed, which produces one of the most valuable grades of coking and steam coal to be found in the United States.
In quality the coal varies from a low grade to a high grade bituminous, and some of the latter is good for coking.Advertisement
Latterly the colliery provided the Ravenscraig Steelworks with coking coal.
The seams are principally above water levels and in many cases have been laid bare by erosion; and the supply is varied - besides a " fat coking, gassy bituminous," there are an excellent grade of splint coal (first mined in 1864 at Coalburg, Kanawha county) and (except that in Kentucky) the only important supply of cannel coal in the United States.
The bituminous coal of West Virginia is a particularly good coking coal, and in 1905, 1906, 1907 and 1908 West Virginia ranked second (to Pennsylvania) among the states of the Union in the amount of coke manufactured; the Flat Top district is the principal cokemaking region.