Depolymerization of Rice Straw Lignin into Value-Added Chemicals in Sub-Supercritical Ethanol

Table 1

The solvent states in reaction conditions [44].

	Ethanol in the reaction solvent
	0%	25%	50%	75%	100%
Critical temperature (^oC)	374	317	277	252	241
Critical pressure (MPa)	220	148	97	70	61
Real temperature (^oC)	275	275	275	275	275
Real pressure (MPa)	62	80	86	92	80
State of solvent	Subcritical			Supercritical