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McGhee, George R. (2018). Carboniferous Giants and Mass Extinction: The Late Paleozoic Ice Age World. New York: Columbia University Press. p.98. ISBN 9780231180979.

Bituminous coal is a type of coal that falls in the middle of the coal spectrum. It is formed from peat and undergoes significant heat and pressure over millions of years to become what it is today. We can deliver anthracite coal to customers in Sheffield, Rotherham, Workshop and Retford or alternatively visit our yard in Attercliffe. The anthracite coal we deliver can be bagged or lose (tipped into a coal bunker). Most bituminous coal in the United States is between 100 and 300 million years old. [39] Vast deposits of bituminous coal of Pennsylvanian age is found in the Appalachian and Interior Provinces of North America. Mining is done via both surface and underground mines. Historically, the many seams scattered over rugged terrain in the Appalachians have been conducive to mining by small companies, while the great extent and gentle dip of beds further west favors very large-scale operations. The Appalachian coal is notably low in sulfur and is often of metallurgical grade, while the Interior Province coal is much higher in sulfur. [40] The consistent warmth produced by anthracite coal and its minimal ash waste means Welsh Anthracite is the cleanest and one of the most dependable of the smokeless solid fuels. A vein of anthracite that caught fire in Centralia, Pennsylvania, in 1962 has been burning ever since, turning the once-thriving borough into a ghost town. [27] Major reserves [ edit ]

Not to be confused with the German Steinkohle [5] or Dutch steenkool which are broader terms meaning all varieties of coal of a stonelike hardness and appearance, like bituminous coal and often anthracite as well, as opposed to lignite, which is softer. Wyoming State Geological Survey. "Wyoming Coal". Archived from the original on 2014-02-03 . Retrieved 2014-01-24. Anthracite averages 12,500 BTUs per pound, premium wood pellets average only 8,000 BTUs per pound. Wood pellets are made from sawdust then dried and compressed. Current sources for wood pellet materials often require extensive energy consumption to create sawdust from the source material and bring the moisture content down to 6%. Additionally many types of wood pellets contain large amounts of creasote which results in cleaning the typical pellet burning appliance weekly (or sometimes even daily!) to get proper efficiency. Storage of wood pellets is problematic due to sensitivity to moisture. Anthracite’s higher heat content, lower cost per BTU, less frequent required maintnenance intervals, and ease of storage make it the obvious choice. Coal Types, Formation and Methods of Mining". Eastern Pennsylvania Coalition for Abandoned Mine Reclamation . Retrieved 29 November 2020. Finding the right solid fuel source for your open fire is the missing piece of the puzzle. You want to be able to enjoy your fireplace to the maximum, and your choice of fuel has a huge impact on the performance of your open fire. Coal is the go-to solid fuel for most domestic fireplaces, but that still leaves an important choice left to make: traditional bituminous coal or natural anthracite? What is bituminous coal?

Due to its low sulfur content, Anthracite coal produces virtually no smoke or particulate emissions. This is a major problem with cord wood and pellet burning stoves. Modern day Anthracite coal burning stoves and furnaces, such as those from Leisure Line, are engineered to burn cleaner and can be used in areas of the country where wood stoves are restricted due to air pollution and forest fire risk from flaming embers from chimneys. Coal prices and outlook - U.S. Energy Information Administration (EIA)". www.eia.gov . Retrieved 2023-05-13. When burned, bituminous coal releases sulfur dioxide into the atmosphere, contributing to air pollution and acid rain. However, advancements in technology have allowed for the development of clean-coal technologies aimed at reducing emissions.

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anthracite". The Oxford English Dictionary (2nded.). Oxford University Press. 1989 . Retrieved 2010-06-26. Thus bituminous coal is divided into high-, medium-, and low-volatile categories based on fixed carbon content, and high-volatile bituminous coal is further subdivided by energy content. a b "Coal explained". U.S. Energy Information Administration. Archived from the original on 2019-08-29 . Retrieved 16 January 2022. Carpenito, Thomas (2019) "The State of Coal and Renewable Energy in Schuylkill County", https://medium.com/@thomascarpenito3/state-of-coal-and-renewable-energy-in-schuylkill-f8850fec3fa6 Bituminous coal is its carbon content, which ranges from 45% to 86%. This makes it a relatively high-grade fuel compared to other types of coal. In terms of energy output, bituminous coal produces more heat per unit than lower-grade coals.