Abstract

Research on the development of sustainable and renewable energy sources has been done and intensified due to the dwindling fossil fuel reserves. Biofuels that are derived from renewable biomass sources offer a promising alternative to traditional fuels. This study focuses on the synthesis and characterization of Ni-Cu/Silica catalysts for the hydrocracking of waste cooking oil into biofuels. Mesoporous silica as supporting material was synthesized with varying TEOS/NH4OH ratios and impregnated with Ni and Cu metals to enhance catalytic activity. The synthesized catalysts were characterized using FTIR, SEM-EDX, and GSA techniques to investigate their structural and textural properties. The catalyst with a TEOS/NH4OH ratio of 1:1 exhibited the highest acidity, surface area, and catalytic activity, resulting in a 71.52% conversion of waste cooking oil into biofuel with a selectivity of 97.69% towards paraffin. These findings demonstrate the potential of Ni-Cu/Silica catalysts for the efficient production of biofuels from waste cooking oil.

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