Charcoal

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Revision as of 02:57, 5 February 2013 by Rfc (talk | contribs) (use of charcoal)
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Charcoal is almost pure carbon. It is producted by heating biological material (usually wood) in an anoxic environment, causing the volatiles to boil off. The process is essentially the same as that used to produce coke from coal.

One possible use of charcoal in a Martian settlement is the creation of terra preta for the greenhouses.