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An anthracite pile in Trevorton, Pennsylvania. Anthracite derives from the Greek anthrakítēs (ἀνθρακίτης), literally "coal-like". [9] Other terms which refer to anthracite are black coal, hard coal, stone coal, [10] [11] dark coal, coffee coal, blind coal (in Scotland), [7] Kilkenny coal (in Ireland), [10] crow coal or craw coal, and black diamond.
A grade between bituminous coal and anthracite was once known as "steam coal" as it was widely used as a fuel for steam locomotives. In this specialized use, it is sometimes known as "sea coal" in the United States. [72] Small "steam coal", also called dry small steam nuts (DSSN), was used as a fuel for domestic water heating.
Anthracite coal was first found in 1762, and then was used for the first time around 1769 by Obadiah Gore and his brother in their blacksmith shop in Wilkes-Barre. However, coal usage was generally restricted to local consumption need until the industry began to expand at the turn of the 19th century. [14]
Jinneng Holding Group was formed in 2020 through the merging of the Datong Coal Mine Group, the Shanxi Jincheng Anthracite Coal Mining Group, the old Jinneng Group, the coal and electricity business and coal equipment manufacturing-related assets of Lu'an Group and Huayang New Materials Technology Group, and the restructured China Taiyuan Coal Trading Center Company.
Coal comes in four main types or ranks: lignite or brown coal, bituminous coal or black coal, anthracite and graphite.Each type of coal has a certain set of physical parameters which are mostly controlled by moisture, volatile content (in terms of aliphatic or aromatic hydrocarbons) and carbon content.
The companies specialize in open-pit coal mining. In 2019, the production volume of Sibanthracite Group amounted to 23.7 million tons, of which UHG anthracite - 14.1 million tons, T grade coal (PCI) - 9.6 million tons. 98% of anthracite and 70% of metallurgical coal are exported, mainly to the Asian-Pacific Region. [4]
Reading Anthracite Company is a coal mining company based in Pottsville, Pennsylvania in the United States. It mainly mines anthracite coal in the Coal Region of eastern Pennsylvania. The company owns the Bear Valley Strip Mine in Northumberland County, Pennsylvania .
Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other elements; chiefly hydrogen, sulfur, oxygen, and nitrogen. [3] As a fossil fuel burned for heat, coal supplies about a quarter of the world's primary energy and two-fifths of its ...
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