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Coal is a
combustible black or brownish-black
sedimentary rock,
formed as rock
strata called coal seams.
Coal is
mostly carbon with
variable amounts of...
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Coal mining is the
process of
extracting coal from the
ground or from a mine.
Coal is
valued for its
energy content and
since the 1880s has been widely...
- up
coaling in Wiktionary, the free dictionary.
Coaling can
refer to:
Coaling, Alabama, a town in
Tuscaloosa County, Alabama,
United States Coaling Island...
- The
coal tit (Periparus ater), is a
small p****erine bird in the tit family, Paridae. It is a
widespread and
common resident breeder in
forests throughout...
-
Coal liquefaction is a
process of
converting coal into
liquid hydrocarbons:
liquid fuels and petrochemicals. This
process is
often known as "
coal to X"...
- name
Carboniferous means "
coal-bearing", from the
Latin carbō ("
coal") and ferō ("bear, carry"), and
refers to the many
coal beds
formed globally during...
- into
charcoal before being activated. When
derived from
coal, it is
referred to as
activated coal.
Activated coke is
derived from coke.
Activated carbon...
- Look up
black coal in Wiktionary, the free dictionary.
Black coal may
refer to: Anthracite, aka
black coal Bituminous coal or
black coal,
containing tar-like...
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briquettes used for
outdoor cooking may
contain many
other additives, e.g.
coal. The
history of wood
charcoal production spans ancient times,
rooted in the...
- Coke is a grey, hard, and
porous coal-based fuel with a high
carbon content. It is made by
heating coal or
petroleum in the
absence of air. Coke is an...