Table 3. Lignin Monomer Yield, Yields of Lignin Residues and Char and Analysis of the THF-Soluble Lignin Residue after Reaction in Ethanol at 340 °C for 4 h over Different Catalyst Systems^a.

			THF-soluble lignin residue (LR)
entry	catalyst	monomers yield (wt %)	(wt %)	Mw (g/mol)	O (wt %)	THF-insoluble LR (wt %)	char (wt %)	total yield
1	CuMgAlOx	27	65	1027	14	22	0	114
2	Ni2P/SiO2	8	19	661	17	18	37	82
3	Ni2P/SiO2b	10	71	865	20	5	1	87
4	Cu+Ni2P/SiO2	53	71	649	11	12	11	147
5	Ni/ASAb	28	51	730	12	8	8	95
6	Cu+Ni/ASA	49	70	711	11	27	14	160
7	Ni/SiO2b	11	51	947	18	8	2	72
8	Cu+Ni/SiO2	52	80	984	15	12	12	156

^aCu stands for CuMgAlO_x.

^bIn 30 bar H₂