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

Table 5

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

Time	Sugar consumed (g/L)	Butanol (g/L)	Acetone (g/L)	Acetic acid (g/L)	Butyric acid (g/L)	Ethanol (g/L)	Total acid (g/L)	Total solvents (g/L)
0	0	0.01	0.01	0.01	0.01	0.01	0.02	0.03
6	9.9	0.01	0.01	1.9	1.5	0.01	3.4	0.03
12	14.7	0.09	0.05	2.2	2.5	0.02	4.7	0.16
24	19.9	7.64	1.4	1.2	2.1	0.4	3.3	9.44
30	22.56	8.54	1.8	1.1	1.5	0.54	2.6	10.88
36	24	8.96	2.0	0.95	1.4	0.6	2.35	11.56
48	24.6	9.5	2.5	0.9	1.39	0.62	2.29	12.62
54	24.9	10.2	2.7	0.89	1.38	0.71	2.27	13.61
60	25.1	11.0	2.83	0.85	1.36	0.74	2.21	14.51
72	25.1	11.0	2.83	0.85	1.36	0.74	2.21	14.51