High-quality bio-oil was obtained by using isopropanol as the solvent.
This reaction was thermally controlled after the orthogonal array design analysis.
The aim of reducing oxygenic-chain compounds was realized over Rh/C.
Maximum phenol conversion (93.4%) and HHV (37.969 MJ/kg) were observed over Rh/C.
A possible catalytic hydrocracking pathway was proposed.