Biomass Magazine November 2009
By Lisa Gibson
Posted November 24, 2009, at 12:43 p.m. CST
In the process of developing winter barley as an ethanol feedstock, the USDA Agricultural Research Service’s Eastern Regional Research Center, Wyndmoor, Pa., and its partners realized that biomass byproducts generated in the process can be used to manufacture biomass-derived fuels and coproducts.
The resulting barley straw, hulls and the ethanol coproduct distillers dried grains with solubles (DDGS) can be used to make bio-oil and biochar through pyrolysis, according to Kevin Hicks, research leader at the Crop Conversion Science & Engineering Research Unit at the ERRC. The bio-oil can be used as boiler fuel today, and with some improvements, could someday be used by petroleum refineries to make drop-in transportation fuels such as green gasoline and diesel, according to Akwasi Boateng, ERRC pyrolysis team leader. Biochar is a carbon-rich product that can be used to improve soil fertility and to sequester carbon in the soil.
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