subbituminous coal

subbituminous coal

[¦səb·bə′tü·mə·nəs ′kōl]
(geology)
Black coal intermediate in rank between lignite and bituminous coal; has more carbon and less moisture than lignite.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
In this study, NaOCl was used to oxidize three kinds of Chinese coals, a lignite, a subbituminous coal, and an anthracite.
See Anthracite, Bituminous Coal, Lignite, Subbituminous Coal, Waste Coal, and Coal Synfuel.
In this study, lignite (ZT) collected from Zhaotong in Yunnan, subbituminous coal (BLT) acquired from Bulianta in Inner Mongolia, and bituminous coal (XQ) from Xiqu in Shanxi, China, were served as the coal samples.
A truly vast (inferred) supply of coal is located in the Northern Alaska-Slope Coal Province-over 120 billion tons of bituminous and subbituminous coal by one study--so much so that for a developer, given the ton/ year rates, mining all the coal in even one hundred years is unrealistic.
They specialize in low sulfur, subbituminous coal. Cloud Peak provides fuel for approximately 4% of the nation's electricity.
In contrast to lignite and subbituminous coal samples, the lowest contents of sulphur species are in bituminous coal.
Our plans are not dependent on a new allocation of brown coal.Environmental Clean Technologies Limited (ECT) is focused on establishing commercial-scale Coldry projects and creating economically valuable and more environmentally responsible Coldry Black Coal Equivalent (BCE) products and water from high-moisture brown coal and subbituminous coal.The company looking to export brown coal to India, Exergen, has been requesting an allocation of new coal reserves, rather than using an existing supply.
Our proprietary K-Fuel(TM) process uses heat and pressure to physically and chemically transform high moisture, low-Btu coals, such as subbituminous coal and lignite, into a more energy efficient, lower-emission fuel.
Subbituminous coal is used mainly to fuel power plants.
For example, mercury from subbituminous coal, common in the western states, is difficult to control because it exists mostly in the elemental form in flue gas.