Table 2 Comparisons of batch ABE fermentation using detoxified or non-detoxified CSH
Strain | Pretreatment method | Detoxification method | Products | References | ||
|---|---|---|---|---|---|---|
Butanol/ABE (g/L) | Yield (g/g) | Productivity (g/L/h) | ||||
C. acetobutylicum ATCC 824 | Alkaline twin-screw extrusion | Washing | 7.1/11.2 | 0.18/0.29 | 0.10/0.16 | Zhang et al. [36] |
C. acetobutylicum ATCC 824 | Steam explosion | Activated charcoal | NA/12.4 | NA/0.30 | NA/0.17 | Wang and Chen [35] |
C. beijerinckii P260 | 1% (v/v) H2SO4 | Overliming | 14.5/26.3 | 0.24/0.44 | 0.17/0.31 | Qureshi et al. [18] |
C. beijerinckii P260 | 1% (v/v) H2SO4 | Overliming | NA/24.4 | NA/0.44 | NA/0.30 | Qureshi et al. [34] |
C. beijerinckii CC101 | 2% (v/v) NaOH | Washing | 11.2/19.8 | 0.28/0.49 | 0.19/0.33 | Xue et al. [37] |
C. acetobutylicum ATCC 824 | Steam explosion | ND | 2.2/3.7 | NA/NA | 0.03/0.05 | Wang and Chen [35] |
C. acetobutylicum strain 206 | 2% (v/v) NaOH | ND | 9.8/15.4 | 0.26/0.41 | 0.14/0.21 | Gao et al. [38] |
C. beijerinckii P260 | 1% (v/v) H2SO4 | ND | No fermentation | Qureshi et al. [18] | ||
C. acetobutylicum L7 | 1% (v/v) H2SO4 | ND | 3.0/4.8 | 0.18/0.29 | 0.08/0.13 | This study |
C. acetobutylicum L7(GlcG) | 1% (v/v) H2SO4 | ND | 12.5/21.0 | 0.21/0.35 | 0.39/0.66 | This study |