Bioconversion of Agricultural Waste to Ethanol by SSF Using Recombinant Cellulase from Clostridium thermocellum

Table 1

Effect of different pretreatment methods on ethanol production by SSF.

Substrates	Steam explosion			Alkali pretreatment			Acid pretreatment
	Cell OD	Ethanol (g/L)	Yield (P/S)	Cell OD	Ethanol (g/L)	Yield (P/S)	CellOD	Ethanol (g/L)	Yield (P/S)
Saracens indica (Asoka)	0.936	0.402	0.040	1.357	0.661	0.066	1.343	0.670	0.067
Achnatherum hymenoides (Wild grass)	0.606	0.245	0.024	1.362	0.770	0.077	1.283	0.780	0.078
Mangifera indica (Mango)	0.859	0.241	0.024	1.369	0.658	0.066	1.32	0.612	0.061
Syzygium cumini (Jamun)	0.719	0.461	0.046	1.376	0.727	0.073	1.316	1.216	0.122
Azadirachta indica (Neem)	0.595	0.292	0.029	1.382	0.608	0.061	1.29	0.705	0.071
Populas nigra (Poplar)	0.880	0.323	0.033	1.369	0.665	0.067	1.32	0.590	0.059
Eucalyptus marginata (Eucalyptus)	0.726	0.535	0.054	1.339	0.624	0.062	1.28	0.760	0.076
Bambusa dendrocalmus (Bamboo)	0.909	0.263	0.026	1.376	0.834	0.083	1.286	0.554	0.055