Total utilization of lignin and carbohydrates in Eucalyptus grandis: an integrated biorefinery strategy towards phenolics, levulinic acid, and furfural

Table 1 Comparison of the results after the RCF of Eucalyptus under different temperatures

Entry	Temp. (°C)	M_W (g mol⁻¹)	Phenolic monomers yield (wt%)^a				Sugar retention (wt%)^b
Entry	Temp. (°C)	M_W (g mol⁻¹)			Others	Total	C6	C5
1	200	470	7.3	18.0	1.1	26.4	81.7	87.9
2	220	460	8.2	19.8	2.6	30.6	82.6	82.9
3	230	460	10.8	26.8	4.1	41.7	81.5	72.3
4	240	450	12.9	31.9	5.0	49.8	82.5	67.8
5	250	430	11.8	28.8	4.1	44.7	68.8	57.2

Reaction conditions: Eucalyptus (1.0 g), 10 wt% Pd/C catalyst (100 mg), MeOH (40 mL), H₂ (30 atm), 4 h
^aBased on total lignin content in Eucalyptus
^bBased on the chemical composition of insoluble fractions

ISSN: 2731-3654