Table 3.
Investigated parameters for the HTC of herbaceous materials and green waste including hydrochar mass yields
| Raw material | Temp. [°C] | LTSR (w/w) | Pressure [bar] | Time | Mass yield [%] | References |
|---|---|---|---|---|---|---|
| Miscanthus, switchgrass | 200, 230, 260 | 1:5 | 10–50 | 5 min | 57–87 | Reza et al. (2013) |
| Lawn grass | 200, 240 | 1:30 | N/A | 30–180 min | 31–50 | Guo et al. (2015) |
| Grass cuttings | 180 | 1:10 | 20 | 8 h | N/A | Eibisch et al. (2013) |
| Eucalyptus leaves | 150–375 | 1:10 | N/A | 30 min | 30–90 | Liu et al. (2013) |
| Green waste | 130–190 | 7:1–10:1 | N/A | 0.5–2 h | 50–77 | Shao et al. (2019) |
LTSR Liquid-to-solid ratio