Catalytic pyrolysis of waste wood plastic composite over H-V-MCM-41 catalysts

H-V-MCM-41, a mesoporous catalyst synthesized by doping vanadium into the Si-MCM-41 framework and ion exchange with NH₄Cl, was applied to the catalytic pyrolysis of a wood plastic composite (WPC). Three types of H-V-MCM-41 with different vanadium contents, 5, 10 and 30 wt.%, were assessed by the catalytic pyrolysis of WPC at 525 C. By catalytic pyrolysis over H-V-MCM-41, the content of aromatics, furans and hydrocarbons in bio-oil were increased, whereas the content of oxygenates and phenols were reduced. H-V-MCM-41 containing 10 wt.% vanadium showed the highest catalytic activity for the production of mono-aromatics among the H-VMCM- 41 catalysts used.