Table 3. Ethanol fermentation performance of hydrolysate obtained from oxalic acid pretreatment

CSF	Initial fermentable sugar concentration (g/L)	Ethanol production (g/L)	Ethanol productivity (g/L · h)	Ethanol yield (g/g sugar)	Theoretical yield of ethanol (%)
0.72	1.02 (0.00)a	0.21b	0.01	0.21	40.37
1.22	2.87 (0.00)	0.59b	0.02	0.21	40.31
1.52	1.26 (0.00)	0.29b	0.01	0.23	45.13
1.59	13.18 (5.83)	1.91b	0.08	0.26	51.37
1.89	11.26 (5.56)	2.79c	0.04	0.27	52.83
1.92	10.08 (4.98)	2.04c	0.03	0.22	43.96
2.08	12.17 (6.34)	0.68b	0.03	0.10	18.89
2.18	8.50 (4.99)	0.36b	0.02	0.10	20.11
2.29	11.82 (6.44)	0.55b	0.02	0.09	17.09

Remaining fermentable sugar after fermentation.
The highest ethanol production was observed after 24 h of fermentation.
The highest ethanol production was observed after 72 h of fermentation.