firedamp

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firedamp

gas

Learn about this topic in these articles:

description

In mine gas
Firedamp is a gas that occurs naturally in coal seams. The gas is nearly always methane (CH₄) and is highly inflammable and explosive when present in the air in a proportion of 5 to 14 percent. White damp, or carbon monoxide (CO), is a particularly…
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methane content

In methane: Sources of methane
…occurs as a component of firedamp (flammable gas) along coal seams.
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use of safety lamps

In safety lamp
…ignite the gas methane (firedamp), a common hazard of English coal mines. W. Reid Clanny, an Irish physician, invented a lamp about 1813 in which the oil-fuelled flame was separated from the atmosphere by water seals; it required continual pumping for operation. In 1815 the English engineer George Stephenson…
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