Table 3.

Typical physiochemical properties of pyrolysis oil

Property	Pyrolysis oil	Heavy fuel oil	References
Water (wt%)	15–30	0.1	(Oasmaa and Czernik 1999; Zhang et al. 2007; Valle et al. 2019)
pH	2–4	–
Viscosity (centipoise, 50 °C)	40–100	180
C (wt%)	48–65	83–86
O (wt%)	30–45	< 1
H (wt%)	5.5–7	11–14
N (wt%)	0–0.2	0.3
S (wt%)	< 0.05	< 3