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Butanol (also called butyl alcohol) is a four-carbon alcohol with a formula of C4H9OH, which occurs in five isomeric structures, from a straight-chain primary alcohol to a branched-chain tertiary alcohol; all are a butyl or isobutyl group linked to a hydroxyl group (sometimes represented as BuOH, n-BuOH, and i-BuOH). These are n-butanol, 2 stereoisomers of 2-butanol, tert-butanol, and isobutanol. Butanol is primarily used as a solvent, as an intermediate in chemical synthesis, and as a fuel. It is sometimes also called biobutanol when produced biologically.
Yet another potential drop-in fuel is butanol, which is an alcohol like ethanol but without the same drawbacks.
Researchers at Edinburgh Napier University produced a type of fuel called butanol using "pot ale" - the liquid residue from copper stills - and "draff," or leftover grain.
The biofuel, called butanol, gives 30% more power output than ethanol.
Then, once the federal regulations are in place for butanol, which is what we're interested in, you know, the EPA and local and state sort of, you know, regulatory agencies say that it's OK to begin producing it, then the plant could be retrofitted.
Using a proprietary fermentation process, Mountain View, Calif. -based Cobalt has turned lodgepole into the biofuel butanol, which is more like gasoline than ethanol.
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