Table 3.

Physical properties of pyrolysis oil under different conditions.

Pyrolysis Conditions	550 °C, NP	550 °C, NP	520 °C, VP	550 °C, VP	650 °C, NP
S/(wt%)	0.6	0.58	0.8	1.26	1.35
H/C	1.6	1.60	1.5	1.36	1.42
Density/(kg.m−3)	900	900	950	987	943
Flash point/°C	20	20	28	30	<30
Heat value/(MJ/kg)	43.27	43.27	43.7	41.0	41.6
Ref.	[94]	[95]	[20]	[58]	[96]

NP: normal pressure. VP: vacuum pressure.