Research Article
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 |
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