Fig. 14From: Highly selective cleavage C–O ether bond of lignin model compounds over Ni/CaO–H-ZSM-5 in ethanolRecycling tests of Ni/CaO–H-ZSM-5(60) catalyst. Reaction conditions: β-O-4 (0.61 g, 2.5 mmol), Ni/CaO–H-ZSM-5(60) (0.102 g), ethanol (30 mL), 140 °C, 1 MPa H2, stirring at 700 rpmBack to article page