Table 6 Final concentrations of potential inhibitory substances in SSF experiments with 5% w/w cellulose
From: Two-stage steam explosion pretreatment of softwood with 2-naphthol as carbocation scavenger
2-Naphthol (mol/mol C9) | Concentration (g/l) | |||
|---|---|---|---|---|
Acetic acid | HMF | Furfural | 2-Naphthol | |
Washed solids | ||||
0 (control) | 0 | 0 | 0 | 0 |
0.051 | 0 | 0 | 0 | 0.067 |
0.103 | 0 | 0 | 0 | 0.128 |
0.205 | 0 | 0 | 0 | 0.334 |
Filtered solids | ||||
0 (control) | 0.617 | 1.000 | 0.107 | 0 |
0.051 | 0.537 | 0.875 | 0.105 | 0.086 |
0.103 | 0.551 | 0.940 | 0.084 | 0.135 |
0.205 | 0.538 | 0.896 | 0.085 | 0.358 |
Whole slurry | ||||
0 (control) | 1.218 | 1.975 | 0.211 | 0 |
0.051 | 1.166 | 1.898 | 0.229 | 0.086 |
0.103 | 1.220 | 2.081 | 0.187 | 0.152 |
0.205 | 1.180 | 1.965 | 0.187 | 0.381 |