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Supercritical water has been focused on as an environmentally attractive reaction media where organic materials can be decomposed into smaller molecules. The reaction behavior of lignin model compound was studied in near- and supercritical water with a batch type reactor. Catechol was used as a model compound for aromatic rings in lignin. The reaction was carried out at temperatures of 643–693K at...
Liquefaction of tar from oil distillation was studied under sub- and supercritical water conditions using a batch reactor at 623 and 673K and 25–40MPa. The reaction scheme for tar liquefaction was determined as follows: the liquefaction process of tar occurs first and then intermediate chemical compounds are transformed into lighter molecular weight species. The effects of pressure and treatment time...
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