Table 2.
Thermal parameters of different black and green tea waste fractions determined by TGA.
Waste Fillers | T95 [°C] | T90 [°C] | T50 [°C] | DTG | Residual Mass [%] | Ash [%] | ||||
---|---|---|---|---|---|---|---|---|---|---|
Peak 1 [°C] | Peak 2 [°C] | Peak 3 [°C] | Peak 4 [°C] | Peak 5 [°C] | ||||||
BTW < 50 | 133.0 | 209.7 | 346.6 | 71.3 | 252.2 | 316.9 | 407.2 | 661.1 | 26.5 | 9.1 |
BTW 50–100 | 149.7 | 217.0 | 346.3 | 75.5 | 279.8 | 323.7 | 426.9 | 643.8 | 26.2 | 7.7 |
BTW 100–200 | 145.6 | 217.3 | 356.1 | 79.6 | 284.4 | 327.6 | 428.6 | 27.8 | 5.9 | |
BTW 200–400 | 145.9 | 215.5 | 389.5 | 89.2 | 259.1 | 330.5 | 373.9 | 30.9 | 5.2 | |
BTW 400–630 | 148.9 | 216.5 | 390.3 | 93.0 | 269.2 | 335.2 | 411.6 | 30.6 | 5.1 | |
BTW 630–800 | 152.9 | 221.0 | 374.4 | 92.6 | 270.1 | 335.8 | 413.1 | 29.0 | 4.6 | |
GTW < 50 | 122.7 | 218.7 | 376.7 | 72.3 | 279.4 | 341.2 | 416.2 | 619.2 | 25.4 | 5.2 |
GTW 50–100 | 149.4 | 220.5 | 384.7 | 80.5 | 278.1 | 340.2 | 415.9 | 599.8 | 28.3 | 4.9 |
GTW 100–200 | 155.5 | 222.3 | 397.1 | 86.6 | 278.2 | 340.1 | 418.3 | 579.9 | 30.4 | 5.0 |
GTW 200–400 | 153.8 | 222.4 | 400.9 | 88.7 | 282.9 | 340.9 | 423.2 | 519.0 | 30.8 | 4.6 |
GTW 400–630 | 155.5 | 224.8 | 404.8 | 92.6 | 286.1 | 341.9 | 426.0 | 496.6 | 31.2 | 4.8 |
GTW 630–800 | 155.0 | 222.3 | 407.3 | 93.8 | 272.7 | 336.3 | 410.9 | 31.5 | 4.7 |