HYDROTHERMAL HYDROCATALYTIC TREATMENT OF BIOMASS
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United States of America Patent
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Issued Date -
Dec 20, 2012
app pub date -
Jun 13, 2012
filing date -
Jun 14, 2011
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Abstract
A method of hydrothermal hydrocatalytic treating biomass is provided. Lignocellulosic biomass is treated with a digestive solvent to form a pretreated biomass containing soluble carbohydrates. The pretreated biomass is contacted, with hydrogen at a temperature in the range of 150° C. to less than 300° C. in the presence of a pH buffering agent and a supported hydrogenolysis catalyst containing (a) sulfur, (b) Mo or W, and (c) Co, Ni or mixture thereof, incorporated into a suitable support, to form a plurality of oxygenated hydrocarbons.
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