Table 1 Comparison between microwave-assisted batch and fast heating rate flow-through reaction systems: effect of operative temperature on the product concentrations in the liquid hydrolysate
Reaction conditions | Monomer conc. | Oligomer/polymer conc. | Degradation product conc. | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Exp. | T ( °C) | t (min) | τ (min) | Q (mL/min) | Mb/Vw (g/L) | Log(KSFS) | Log(KSFL) | Glu (g/L) | Xyl (g/L) | Arab (g/L) | ASL (g/L) | Olig (Cell) (g/L) | Olig(Hemi) (g/L) | Acet (g/L) | Lev (g/L) | HMF (g/L) | F (g/L) | FA (g/L) |
1FT | 180 | 20 | 4.3 | 7.0 | 50 | 3.66 | 2.99 | 0.1 | 0.3 | 0.3 | 3.6 | 0.6 | 7.1 | 0.2 | 0.0 | 0.0 | 0.0 | 0.1 |
2FT | 200 | 20 | 4.3 | 7.0 | 50 | 4.25 | 3.58 | 0.2 | 1.8 | 0.4 | 3.8 | 0.6 | 9.3 | 0.2 | 0.0 | 0.0 | 0.1 | 0.0 |
1MW | 180 | 20 | – | – | 50 | 3.66 | 3.66 | 0.4 | 1.1 | 0.9 | 2.2 | 2.4 | 4.9 | 0.0 | 0.2 | 0.0 | 0.0 | 0.0 |
2MW | 200 | 20 | – | – | 50 | 4.25 | 4.25 | 0.9 | 4.8 | 1.6 | 2.2 | 1.1 | 2.3 | 0.2 | 0.7 | <0.1 | 0.0 | 0.0 |