Brønsted acids sites Chilean natural zeolites Diels-Alder GC/MS characterization H-donor molecules ZSM-5 aromatic ethers bio-insulating oil bio-oil upgrade bioethanol biomass catalytic transfer hydrogenolysis reactions cellulose chemical-loop reforming desilication dimethylfuran furfural glycerol glycidol hemicellulose heterogeneous catalysis hierarchical zeolites hydrogenolysis hydroisomerization insulating oils levulinic acid lignin lignocellulosic biomasses metal ferrites polyols