Fig. 4From: Highly selective cleavage C–O ether bond of lignin model compounds over Ni/CaO–H-ZSM-5 in ethanolTEM images and EDX mapping of different catalysts. TEM images of a H-ZSM-5(60), b CaO–H-ZSM-5(60), c Ni–H-ZSM-5(60) and d Ni/CaO–H-ZSM-5(60). e EDX mapping of Ni/CaO–H-ZSM-5(60)Back to article page