Metal catalysts supported on biochars: Part I synthesis and characterization

Metal-Supported Biochar Catalysts for Sustainable Biorefinery, Electrocatalysis, and Energy Storage Applications: A Review

“…Santos et al [54] presented recently the synthesis and characterization of real waste biomass vine shoot biochars. Different activation methods were used to improve the poor textural properties of pristine biochar.…”

Phosphoric acid-modified commercial kieselguhr supported palladium nanoparticles as efficient catalysts for low-temperature hydrodeoxygenation of lignin derivatives in water

“…As a typical platform molecule of lignin derivatives, vanillin (VAN) can be used as the reactant for the production of 2-methoxy-4-methylphenol (MMP) which is widely used as an active intermediate for the synthesis of high value-added drugs and fragrances, and many catalytic systems have been developed for the effective production of MMP from VAN. [19][20][21][22][23][24][25][26][27][28][29][30] For example, Xiao's group adapted a self-assembly method to prepare a mesoporous sulfonated melamine-formaldehyde resin (MSMF) supported Pd NPs as an effective catalyst for HDO of VAN and >99% of MMP selectivity with >99% of VAN conversion was achieved after reaction at 110 °C for 2 h over 4.5 wt% Pd/MSMF. 19 Wang et al reported that Pd nanoparticles (NPs) supported on pre-treated CNTs by concentrated HNO 3 efficiently catalyzed VAN to MMP and >98% of MMP selectivity with >99% of VAN conversion was obtained after reaction at room temperature (R.T.) for 1 h over 5.0 wt% Pd/ o-CNT.…”

Facile synthesis of Pd@MOF catalyst and its application for High Selective Hydrogenation and Hydrodeoxygenation of Biomass-Derived Compounds

“…In particular, the selective hydrodeoxygenation of vanillin to 2-methoxy-4-methylphenol (MMP) is highly desired as MMP is an essential chemical applied in fragrances and the synthesis of the pharmaceutical intermediates. [3][4][5][6] To achieve efficient conversion of vanillin to MMP, considerable catalyst systems have been investigated for catalytic hydrodeoxygenation (HDO), for example, biochars supported noble metal nanoparticles, 7 Pd/CFR nanocatalyst, 4 nitrogen-doped Co nanoparticles, 8,9 Cu NPs supported on activated carbon, 3 bimetallic metal-based catalysts, 2 and single atom catalyst 10 have been applied in vanillin hydrodeoxygenation. Among these catalysts, catalytic HDO with effective transformation, however, higher H2 pressure, high reaction temperature, or complicated catalyst preparation are required in most cases.…”