Table 4: Results of hydrothermal lignin degradation experiments, input: 0.4 g lignin, 0.1 g RANEY Nickel, 3 g H2O.

tTSolid residuePhenolo-Cresolp-CresolGuaiacol4-Methyl-guaiacolCatechol4-Methyl-catecholCH4C2–C4CO2
MinKmg/gLigninmg/gLignin

30573361,30,60,00,01,50,41,20,015,33,1245,7

30603268,42,10,20,64,01,01,71,032,47,6322,8
27060398,19,10,62,82,20,83,41,831,77,3584,4
12006031,712,50,87,50,00,3n.q.*0,034,311,5533,4

30633193,33,80,31,34,02,01,61,339,89,0510,9
120633131,98,80,74,41,12,60,51,648,69,4389,7
27063390,69,60,76,20,10,9n.q.*0,340,19,1751,2

30673101,76,70,63,42,31,07,03,941,08,1684,7
27067334,012,21,18,60,00,50,40,346,115,8212,5
12006730,08,50,410,60,00,8n.q.*0,067,919,7773,1

*Not quantified, concentration <100 mg/L.