Preparation of Ni-La/Al2O3-CeO2-Bamboo Charcoal Catalyst and its Application in Co-pyrolysis of Straw and Plastic for Hydrogen Production

The conversion of biomass and plastic into hydrogen through catalytic pyrolysis is a promising technology for the production of clean fuels. The developed Ni-La/Al2O3-CeO2-Bamboo charcoal (ACB) catalyst was applied to the co-pyrolysis of straw and polyethylene (PE) to produce hydrogen. This research explored the optimal mixing ratio of straw and PE, and the influence of the presence and stability of the catalysts on hydrogen production. Experiments show that the best mixing ratio is 5:5. Ni-La/ACB can significantly promote the production of H2 (13.56 mmol/g), and it can still maintain high stability after repeated use, which is inseparable from the introduction of La to improve the performance of the catalyst. It can be concluded that adding a certain proportion of plastic is beneficial to increase H2 production, and co-pyrolysis can solve the pollution problem caused by improper treatment of plastics while making full use of renewable energy.