| http://www.w3.org/ns/prov#value | - Humfreys (WO2009/015409) discloses a process for converting organic matter such as lignite or brown coal, lignin, cellulose, hemicellulose, organic waste, plastic or a generic polymer into products including mixing it with a supercritical liquid comprising one or more of the group consisting of water, methanol, and ethanol at a pressure greater than 220 bar (up to more than 300 bar) and temperatur
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