| 초록 |
Oxidative depolymerization of empty fruit bunch (EFB)-lignin was carried out in the presence of MgO with mass ratio of EFB:MgO = 1:1. Reaction was conducted for 3 h at 150oC under 500 psi of air. Four reaction medium (THF, H2O, CH3CN, EtOH) were examined. The effect of MgO and O2 presence was also investigated. Small amount of volatile fractions including phenol, syringol, vanillin, and syringaldehyde were detected by GC-MS. Structural change of EFB lignin was characterized using FT-IR and 2D HSQC NMR. |
