Skip to main content
. 2024 Sep 30;17(19):4825. doi: 10.3390/ma17194825

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