Table 1.

Biomass composition of solids following organosolv pretreatment.

Code	Biomass Solubilization (%)	Cellulose		Hemicellulose		Lignin		Ash (% w/w)	Total
		(% w/w)	Solub. (%)	(% w/w)	Solub. (%)	(% w/w)	Solub. (%)
B0A5a	49.71	66.65	9.58	17.23	71.93	12.62	71.91	0.43	96.94
B0A6a	39.10	57.98	4.74	20.94	58.69	10.32	72.90	2.20	91.43
B0A6c	68.07	64.81	44.16	1.61	98.33	8.55	87.91	2.77	77.75
B0B5a	50.74	69.20	8.03	12.96	79.31	13.24	71.13	0.81	96.21
B0B6a	46.97	62.56	10.51	22.23	61.82	8.22	80.71	0.36	93.36
B1A5a	38.81	48.96	19.17	22.97	54.46	14.65	60.32	0.17	86.75
B1A6a	32.60	44.16	19.70	21.74	52.52	15.49	53.80	0.30	81.69
B1B5a	42.24	57.18	10.90	27.59	48.38	15.60	60.13	0.44	100.81
B1B6a	37.62	49.51	16.69	22.94	53.66	16.59	54.22	0.40	89.43
Sawdust	-	37.07	-	30.87	-	22.60	-	1.09	91.62

Representation of the codes: 0—pretreatment at 200 °C; 1—pretreatment at 180 °C; A—pretreatment time of 15 min; B—pretreatment of 30 min; 5—50% v/v ethanol content; 6—60% v/v ethanol content; a—no catalyst added; c—1% w/w_biomass H₂SO₄.