. 2019 May 9;15:467–488. doi: 10.1016/j.isci.2019.05.007

Table 4.

Overall Results for the HDO of Lignin Oil in the Recycling Experiments

Reaction	Weight (g)			Net Conversion (%)
Reaction	Liquid Product	Residue Insoluble in n-Pentane and Methanol	Residue Soluble in Methanol	Net Conversion (%)
1^st Run	0.2941	0.2293	0.0249	89
2^nd Run	0.8663	0.2990	0.0204	85
3^rd Run	0.5907	0.3085	0.0240	85

Reaction conditions for each cycle: lignin bio-oil (2 g), n-pentane (100 mL, solvent), 15%Ni/Nb₂O₅ catalyst (initial weight: 0.400 g), H₂ pressure of 7 MPa (at room temperature), 16 h at 300°C, stirring rate of 400 rpm.