-
Coal gas is a
flammable gaseous fuel made from
coal and
supplied to the user via a
piped distribution system. It is
produced when
coal is
heated strongly...
-
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...
- methane,
carbon monoxide, propane, butane, acetylene, ethylene,
coal gas (town
gas) or
natural gas. The
light is
produced either directly by the flame, generally...
-
vapour (H2O)—from
coal and water, air and/or oxygen. Historically,
coal was
gasified to
produce coal gas, also
known as "town
gas".
Coal gas is combustible...
- life-cycle
greenhouse gas (GHG)
emissions from
shale gas are
similar to
those of
conventional natural gas, and are much less than
those from
coal,
usually about...
-
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...
- posterity. So-called "
gas works"
produced coke by
heating coal in
enclosed chambers. The
flammable gas that was
given off was
stored in
gas holders, to be used...
-
Coal tar is a
thick dark
liquid which is a by-product of the
production of coke and
coal gas from
coal. It is a type of creosote. It has both
medical and...
-
early 1800s,
natural gas became known as "natural" to
distinguish it from the
dominant gas fuel at the time,
coal gas.
Unlike coal gas,
which is manufactured...
-
fifth of
world greenhouse gas emissions, so are the
single largest cause of
climate change. More than half of all the
coal-fired
electricity in the world...