Performance of Ni, Pt, and Pd Monometal and Ni-Pt Bimetal onto Activated Carbon for Hydrocracking of Castor Oil

Article Type:
Research/Original Article (دارای رتبه معتبر)
The development of high-performance hydrotreating catalysts has been a challenging pursuit within the catalyst research field. In this study, activated carbon was synthesized chemically, utilizing oxygen gas as the activator and Merbau wood as the precursor. Subsequently, the activated carbon was impregnated with both mono (Ni, Pt, Pd) and bimetallic (NiPt) species. Physical activation employing oxygen gas was employed in the preparation of the activated carbon. Notably, the optimum activation temperature using oxygen gas was identified at 350°C, aligning with the peak iodine value of 3989.7 mg/g. Subsequently, the activated carbon served as a highly efficient support material for the hydrocracking of castor oil. Among the investigated catalysts, the NiPt/AC catalyst emerged as the most promising, achieving a remarkable liquid fraction conversion of 88.73 wt%. However, it is crucial to acknowledge that the NiPt/AC catalyst exhibited limitations in terms of stability, experiencing sintering and performance degradation after only three usage cycles.
Iranian Journal of Catalysis, Volume:13 Issue: 4, Autumn 2023
463 to 474  
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