Table 4 Batch fermentative hydrogen production by E. cloacae DT-1 from Azolla filiculoides biomass
From: Aquatic plant Azolla as the universal feedstock for biofuel production
Biomass pre-treatment | Hydrogen production (mmol/L) | Final pH | VFA | Total VFA (g/L) | B/A ratio | Yield efficiency, (mol of H2/mol of substrate) | |
|---|---|---|---|---|---|---|---|
Acetic acid (g/L) | Butyric acid (g/L) | ||||||
Acid based pre-treatment | 53 | 5.4 | 0.986 | 0.161 | 1.147 | 0.16 | 2.43 |
Enzymatic hydrolysis | 34.82 | 5.6 | 0.99 | 0.164 | 1.154 | 0.165 | 2.04 |