fig9
Figure 9. (A) Deactivation Mechanisms for Pt-Fe/CeO2 Catalyst in the Absence of H2O and in the Presence of H2O[80]. Copyright 2021 American Chemical Society; (B) Proposed possible mechanism for the guaiacol HDO over the hcp RuCo catalyst[81]. Copyright 2021 Elsevier; (C) Hydrogenative C-O cleavage of lignin oil by a dual-size Co catalyst[83]. Copyright 2023 Elsevier; (D) Reaction Route of the Catalytic Conversion from Lignin to Renewable Biofuel[84]. Copyright 2024 American Chemical Society. HDO: Hydrodeoxygenation.
