Ethanol Production from Oil Palm Trunk: A Combined Strategy Using an Effective Pretreatment and Simultaneous Saccharification and Cofermentation

Table 10

Experimental validation.

Variables of SSCF			Ethanol (%)			Fermentation efficiency (%)
Temperature (°C)	Fermentation time (days)	Cell ratio	Experiment	Predicted	% Difference	Experiment	Predicted	% Difference
33,45	4,22	0,54	1,87	1,91	2,09	65,91	66,62	1,07
33,45	4,22	0,54	1,90	1,91	0,52	66,14	66,62	0,72
33,45	4,22	0,54	1,89	1,91	1,05	66,37	66,62	0,38
Average			1,89	1,91	1,22	66,14	66,62	0,72