Improve the Anaerobic Biodegradability by Copretreatment of Thermal Alkali and Steam Explosion of Lignocellulosic Waste

Table 2

The concentration of TA, TAN, and biodegradability after AD of untreated, thermal KOH treated, SE treated, CPTPS treated, and CPTPS treated CS.

Samples	TA (mg CaCO3/L)	TAN (mg/L)	(%)
Untreated CS	1085 ± 55	181.50 ± 8.50	36.57
1.5% KOH-60°C treated CS	1400 ± 20	173.50 ± 1.50	57.21
SE treated CS	1740 ± 20	195.00 ± 11.00	51.16
CPTPStreated CS	1420 ± 60	192.50 ± 5.50	55.66
CPTPStreated CS	1560 ± 10	133.00 ± 6.00	68.90