Abstract
Thermochemical biomass conversion processes, including mainly pyrolysis, liquefaction and supercritical fluid extraction, were applied non-catalytically and catalytically to obtain the maximum fuels from biomass. Different solvents and their mixtures were used in simple and supercritical extractions. Basic catalysts, such as NaOH, Na
2CO
3 and K
2CO
3, were used in catalytic conversion experiments. The experiments were performed within the 498–820 K range.