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Production of biofuels via hydrothermal conversion

P. Biller1,2,  and A.B. Ross1     1University of Leeds, Leeds, Yorkshire, United Kingdom     2Aarhus University, Aarhus, Denmark

Abstract

Hydrothermal processing has evolved as an alternative processing technology for wet biomass and waste materials in recent years. Using hot-compressed water as a reaction medium at temperatures of 200–500°C, materials with increased energy density can be obtained. The technology is particularly suited for wet and waste materials as drying of the feedstock is not required. Hydrothermal processing is divided into three separate areas depending on reaction severity: hydrothermal carbonization (HTC, 180–280°C), hydrothermal liquefaction (HTL, 280–375°C), and hydrothermal ...

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