- Low-sulfur coal
- Coal having one percent or less of sulfur by weight.California Energy Comission. Dictionary of Energy Terms
Energy terms . 2014.
Energy terms . 2014.
Coal mining in Kentucky — Coal was discovered in Kentucky in 1750. Since the first commercial coal mine opened in 1820 coal has gained both economic importance and controversy regarding its environmental consequences. As of 2010 there are 442 operating coal mines in the… … Wikipedia
Coal grade — This classification refers to coal quality and use. • Briquettes are made from compressed coal dust, with or without a binding agent such as asphalt. • Cleaned coal or prepared coal has been processed to reduce the amount of impurities… … Energy terms
coal classification — ▪ process any of various ways in which coal is grouped. Most classifications are based on the results of chemical analyses and physical tests, but some are more empirical in nature. Coal classifications are important because they provide… … Universalium
Coal — Sedimentary Rock Anthracite coal Composition Primary carbon Secondary hydrogen, sulfur … Wikipedia
coal — coalless, adj. /kohl/, n. 1. a black or dark brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel. Cf. anthracite, bituminous coal, lignite. 2. a piece of glowing, charred, or burned wood or other… … Universalium
Sulfur — This article is about the chemical element. For other uses, see Sulfur (disambiguation). phosphorus ← sulfur → chlorine … Wikipedia
Coal mining — Men leaving a UK colliery at the close of a shift Surface coal mining in Wyo … Wikipedia
Coal power in the People's Republic of China — Entrance to a small coal mine in China. A coal shipme … Wikipedia
Sulfur — A yellowish nonmetallic element, sometimes known as brimstone. It is present at various levels of concentration in many fossil fuels whose combustion releases sulfur compounds that are considered harmful to the environment. Some of the most… … Energy terms
Coal Blending — The process of combining two or more coals with different characteristics to obtain coal with a certain quality, such as low sulfur content. U.S. Dept. of Energy, Energy Information Administration s Energy Glossary … Energy terms