What is the description of bituminous coal?
What is the description of bituminous coal?
bituminous coal. [ bĭ-tōō′mə-nəs ] A soft type of coal that burns with a smoky, yellow flame. Bituminous coal is the most abundant form of coal. It has a high sulfur content, and when burned, gives off sulfurous compounds that contribute to air pollution and acid rain.
What is coal and its composition?
Coal Gas Composition Coal is mostly made up of carbon, with varying proportions of additional elements such as hydrogen, sulphur, oxygen, and nitrogen. Coal is generated when dead plant matter decays into peat, which is then transformed to coal over millions of years by the heat and pressure of deep burial.
Is bituminous coal considered a mineral?
Coal is not a mineral, because it can not be expressed as a chemical formula, and therefore, does not have a definate crystaline structure. Coal is predominately carbon. The specimen in the photo is Bituminous Coal, with a carbon content of about 90%, and a BTU rating of over 13,000 BTU/pound.
What is bituminous coal classification?
Bituminous: Bituminous coal is a middle rank coal between subbituminous and anthracite. Bituminous coal usually has a high heating (Btu) value and is used in electricity generation and steel making in the United States.
How bituminous coal is formed?
Bituminous coal (all coal) forms from the destructive distillation of plant remains under anaerobic conditions. It results from burial and compression, and the driving off of hydrogen and other volatiles leaving behind fixed carbon, with varying amounts of sulfur, and other elements.
Why do different types of coal have composition?
Coal is a nonrenewable resource known as a fossil fuel. It’s the most abundant fossil fuel we have. The four types of coal include peat, lignite, bituminous, and anthracite, with anthracite being most desirable due to its high heat content.
Is bitumen a mineral?
bitumen, dense, highly viscous, petroleum-based hydrocarbon that is found in deposits such as oil sands and pitch lakes (natural bitumen) or is obtained as a residue of the distillation of crude oil (refined bitumen).
Where is bituminous coal form?
peat bogs
Like other ranks of coal, bituminous coal forms from thick accumulations of dead plant material that are buried faster than they can decay. This usually takes place in peat bogs, where falling plant debris is submerged in standing water.
What percent of carbon is in bituminous coal?
60 – 80Bituminous coal / Carbon content (%)