Enhanced Biochar Production via Co-Pyrolysis of Biomass Residual with Plastic Waste after Recycling Process

Table 3

pH of biochar sample.

Sample	Pyrolysis temperature (°C)	pH
Pure sawdust char	300	8.7
	400	9.2
	500	9.4
Pure hardwood char	300	8.6
	400	9.4
	500	9.6
Sawdust–plastic char	300	8.4
	400	9.0
	500	9.2
Hardwood–plastic char	300	8.2
	400	9.2
	500	9.5