Catalytic valorization of hardwood for enhanced xylose-hydrolysate recovery and cellulose enzymatic efficiency via synergistic effect of Fe3+ and acetic acid

Table 2 Catalytic hydrolysis of beechwood xylan and xylose in various conditions

Reactant	Fe³⁺ (wt%)	HAc (%)	Product concentration (g/L)
Reactant	Fe³⁺ (wt%)	HAc (%)	Xylose	Furfural
Xylan	0.08	No	3.1 ± 0.5^a	0.5 ± 0.1
	No	6.5	13.9 ± 0.3^a	5.9 ± 0.4
	0.08	6.5	20.1 ± 0.9^a	8.3 ± 0.2
	0.25	6.5	23.5 ± 1.3^a	13.7 ± 0.7
Xylose	0.08	No	59.3 ± 2.6^b	13.1 ± 0.8
	No	6.5	70.5 ± 0.8^b	8.7 ± 0.3
	0.08	6.5	54.3 ± 1.84^b	14.5 ± 0.4
	0.25	6.5	19.8 ± 0.6^b	22.9 ± 1.0

All the experiments were conducted at 170 °C for 27 min, and the initial concentration of xylan or xylose is 100 g/L
^aAmounts of xylose production in the media
^bAmounts of xylose remained in the media

ISSN: 2731-3654