From: Co-thermal degradation characteristics of rice straw and sewage sludge
Items | Pyrolysis (N2 atmosphere) | Gasification (air atmosphere) | ||||
---|---|---|---|---|---|---|
Temp range (°C) | Thermal decomposition rate | R2 | Temp range (°C) | Thermal decomposition rate | R2 | |
Heating rate 5 °C min− 1 | ||||||
 SS | 147–522 | k = 7.77 × 104 e47.78/RT(X)2.62 | 0.91 | 137–529 | k = 1.54 × 105 e61.01/RT(X)3.79 | 0.84 |
 20RS:80SS | 153–521 | k = 5.82 × 104 e49.08/RT(X)1.75 | 0.88 | 145–568 | k = 0.82 × 105 e59.45/RT(X)2.47 | 0.80 |
 40RS:60SS | 148–513 | k = 2.56 × 104 e48.62/RT(X)0.84 | 0.84 | 151–521 | k = 1.11 × 107 e78.76/RT(X)4.21 | 0.86 |
 50RS:50SS | 148–521 | k = 5.75 × 104 e52.51/RT(X)0.74 | 0.84 | 163–519 | k = 1.39 × 106 e69.74/RT(X)2.71 | 0.79 |
 RS | 151–522 | k = 8.56 × 106  e72.65/RT(X)1.35 | 0.87 | 179–503 | k = 5.87 × 107 e87.15/RT(X)2.0 | 0.74 |
Heating rate 10 °C min− 1 | ||||||
 SS | 153–517 | k = 1.37 × 105 e49.10/RT(X)2.41 | 0.90 | 148–550 | k = 1.97 × 105 e60.12/RT(X)3.57 | 0.84 |
 20RS:80SS | 173–535 | k = 0.71 × 105 e48.62/RT(X)1.52 | 0.86 | 154–659 | k = 5.40 × 105 e63.73/RT(X)3.30 | 0.81 |
 40RS:60SS | 154–515 | k = 0.84 × 105 e50.61/RT(X)0.9 | 0.84 | 160–551 | k = 14.4 × 105 e64.31/RT(X)2.45 | 0.78 |
 50RS:50SS | 147–516 | k = 1.44 × 105 e53.07/RT(X)0.69 | 0.83 | 160–551 | k = 19.1 × 105 e68.66/RT(X)2.26 | 0.80 |
 RS | 178–500 | k = 18.6 × 106  e75.40/RT(X)1.43 | 0.82 | 166–534 | k = 0.59 × 108 e89.56/RT(X)2.12 | 0.71 |
Heating rate 20 °C min− 1 | ||||||
 SS | 158–560 | k = 3.47 × 105 e50.47/RT(X)2.32 | 0.91 | 153–532 | k = 8.77 × 105 e64.65/RT(X)3.39 | 0.84 |
 20RS:80SS | 156–531 | k = 1.67 × 105 e51.20/RT(X)1.51 | 0.90 | 168–615 | k = 5.38 × 105 e63.36/RT(X)2.64 | 0.80 |
 40RS:60SS | 157–550 | k = 0.84 × 105 e50.61/RT(X)0.90 | 0.84 | 177–550 | k = 1.09 × 107 e75.28/RT(X)3.35 | 0.80 |
 50RS:50SS | 152–560 | k = 1.58 × 105 e55.1032/RT(X)1.0 | 0.80 | 175–573 | k = 8.91 × 106 e73.86/RT(X)2.82 | 0.80 |
 RS | 150–548 | k = 3.82 × 107 e74.01/RT(X)0.84 | 0.80 | 190–515 | k = 1.62 × 108 e88.09/RT(X)1.90 | 0.70 |