Co-pyrolysis Characteristics and Synergistic Interaction of Waste Polyethylene Terephthalate and Woody Biomass towards Bio-Oil Production

Table 2

Physical properties of the oils.

Properties	Ficus benghalensis	Ficus benghalensis-to-PET ratio				PET	Unit
		80 : 20	60 : 40	40 : 60	20 : 80
Density	1010	995	965	930	915	910	(kg/m^3)
Viscosity	7.1	6.9	6.4	5.8	5.0	4.1	(cSt)
Flash point	135	130	110	92	73	58	(°C)
Carbon	43.52	46.33	50.14	54.89	59.20	63.50	(wt (%))
Hydrogen	7.10	7.10	7.31	7.72	7.90	8.10	(wt (%))
Nitrogen	0.74	0.72	0.70	0.66	0.59	0.54	(wt (%))
Sulfur	0.21	0.19	0.15	0.11	0.07	0.04	(wt (%))
Oxygen^a	48.45	46.12	41.02	35.30	32.41	27.82	(wt (%))
H/C molar ratio	1.943	1.826	1.734	1.671	1.590	1.519	—
O/C molar ratio	0.835	0.739	0.624	0.501	0.408	0.328	—
Heating value	17.91	18.92	21.36	23.90	26.83	28.64	(MJ/kg)

^aBy difference.