date:Oct 15, 2012
rdine has the capacity to provide 6,500 metric tons of draff (whats left of the grain after fermentation) and 2 million liters of pot ale (residue from the still), by-products that are currently spread on agricultural fields, turned into animal feed or discharged into the sea, all at cost.
The technology isnt new, Tangney says. The idea of converting a range of fuels found in plant materials to produce butanol goes back a century, and was scaled up to make acetone for explosives in World War I.