Woodchip Biofuel Process
University of Georgia research team develops biofuel derived from wood chips, that can be blended
with biodiesel and petroleum-derived diesel to power conventional engines. ... ... "Here's how the process works: Wood chips and pellets - roughly a quarter inch in diameter and six-tenths of an inch long - are heated in the absence of oxygen at a high temperature, a process known as pyrolysis. Up to a third of the dry weight of the wood becomes charcoal, while the rest becomes a gas. Most of this gas is condensed into a liquid bio-oil and chemically treated. When the process is complete, about 34 percent of the bio-oil (or 15 to 17 percent of the dry weight of the wood) can be used to power engines. The researchers are currently working to improve the process to derive even more oil from the wood. " ...
Via University of Georgia: New biofuel from trees, Dr Tom Adams (picture below), Engineering
Via ACS: Pyrolysis of Wood/Biomass for Bio-oil Research 
Via ERIC: Wood pyrolysis is a process that burns wood without air, producing gas and oil that are then burned for heat.
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Category: Biofuels