Table 1 Optimization of the process for the dissolution of waste biomass in TMAOH
Sl. No | Waste biomass | Temp. (°C) | Total solubility (g 100 mL−1) | Crude keratin (% w/w) | Time duration (h) |
|---|---|---|---|---|---|
1 | Animal wool | 65 ± 2 | 41.7 ± 2.3 | 19.7 ± 0.9 | 6.0 ± 0.5 |
2 | Human hair | 25 ± 0.5 | 22.5 ± 2.8 | 35.7 ± 1.5 | 8.5 ± 0.5 |
3 | Chicken feather | 25 ± 0.5 | 58.0 ± 2.4 | 72.0 ± 2.4 | 6.5 ± 0.5 |