Absorption and quench method for biomass pyrolysis product
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United States of America Patent
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Jan 20, 2015
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app pub date -
Dec 21, 2011
filing date -
Dec 30, 2010
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Abstract
A biomass pyrolysis product is quenched by direct cooling with a cold quench fluid and initial product separation is performed based on boiling point and solubility in the quench fluid. A properly chosen quench fluid may act as a selective solvent, thus providing dilution of unstable precursors of pyrolytic lignin or other heavy by-products, and/or separation of certain undesirable pyrolysis oil components such as water and light acids.
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