Enhanced Butanol Production by Clostridium acetobutylicum NCIMB 13357 Grown on Date Fruit as Carbon Source in P2 Medium

Table 4

ABE fermentation by C. acetobutylicum NCIMB 13357 using 50 g/L date fruit in P2 medium.

Time (h)	Sugar consumed (g/L)	Productivity of butanol (g/L/h)	Productivity of ABE (g/L/h)	Yield of butanol (g/g)	Yield of ABE (g/g)
0	0	0	0	0	0
6	9.9	0.001	0.005	0.001	0.003
12	14.7	0.007	0.013	0.006	0.010
24	19.9	0.320	0.393	0.384	0.474
30	22.56	0.284	0.362	0.378	0.482
36	24.0	0.249	0.321	0.373	0.481
48	24.6	0.197	0.262	0.386	0.513
54	24.9	0.188	0.252	0.409	0.546
60	25.1	0.182	0.241	0.44	0.58
72	25.1	0.151	0.201	0.44	0.58