Bituminous Coal
9 definitions

Bituminous Coal

Bituminous coal: A dense coal, usually black, sometimes dark brown, often with well-defined bands of bright and dull material, used primarily as fuel in steam-electric power generation, with substantial quantities also used for heat and power applications in manufacturing and to make coke. Bituminous coal is the most abundant coal in active U.S. mining regions. Its moisture content usually is less than 20 percent. The heat content of bituminous coal ranges from 21 to 30 million Btu per ton on a moist, mineral-matter-free basis. The heat content of bituminous coal consumed in the United States averages 24 million Btu per ton, on the as-received basis (i.e., containing both inherent moisture and mineral matter).

Bituminous Coal

A coal which is high in carbonaceous matter, having between 15 and 50 percent volatile matter. Also known as soft coal.

Bituminous Coal

A hard, black, combustible substance formed from decomposed vegetable matter subjected to pressure, temperature, and moisture for millions of years. Varying conditions of formation result in diverse coal chemistries and heat contents. Bituminous coal is one of several phases in an evolutionary development process which includes (from least developed to most developed): peat, lignite (sometimes called brown coal), subbituminous, bituminous, anthracite (sometimes called hard coal) and graphite. The latter phases have generally experienced greater extremes of pressure, temperature and time. It is used for generating electricity in certain parts of the country and for conversion into synthetic gas.

Bituminous Coal

Soft coal containing large amounts of carbon. It has a luminous flame and produces a great deal of smoke.

Bituminous Coal

A dense, black, soft coal, often with well-defined bands of bright and dull material.  The most common coal, with moisture content usually less than 20 percent.  Used for generating electricity, making coke, and space heating.

Bituminous Coal

Middle rank coal (between subbituminous and anthracite) formed by additional pressure and heat on lignite. Usually has a high Btu value and may be referred to as "soft coal."

Bituminous Coal

Soft coal containing large amounts of carbon. It has a luminous flame and produces a great deal of smoke.

Bituminous Coal

A rank class of coals as defined by the American Society for Testing and Materials (ASTM) high in carbonaceous matter, having less than 86 percent fixed carbon, and more than 14 percent volatile matter on a dry, mineral-matter-free basis and more than 10,500 Btu on a moist, mineral-matter-free basis. This class may be either agglomerating or non agglomerating and is divisible into the high-volatile C, B, A; medium; and low-volatile bituminous coal groups on the basis of increasing heat content and fixed carbon and decreasing volatile matter.

Bituminous Coal

A middle rank coal (between subbituminous and anthracite) formed by additional pressure and heat on lignite. Usually has a high Btu value and may be referred to as "soft coal."

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About this term

Bituminous Coal has been defined 9 different ways in documents like U.S. Energy Information Administration Glossary of Terms, Coal Excise Tax - Appendix I, Glossary of Mining Terms, Energy Glossary, and 6 more.

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