Synergetic effect of Pt-Pd bimetallic nanoparticle on MgAl2O4 support in hydrogen production from decalin dehydrogenation
REACTION KINETICS MECHANISMS AND CATALYSIS(2023)
摘要
In the present study, MgAl2O4 carriers were synthesized by the alcohol-heating method, and the effects of Pt loading and Pt/Pd molar ratio on decalin dehydrogenation activity were investigated systematically. The results showed that the size of Pt nanoparticle in the Pt/MgAl2O4 catalysts was closely related to the Pt loading and the optimum Pt loading was 3 wt% in the decalin dehydrogenation. The PtPd bimetallic catalyst with a Pt/Pd molar ratio of 4:1 generated moderate interactions and enhanced the catalytic performance. The superior catalytic performance of the 1 wt% Pt4Pd1/MgAl2O4 catalyst was mainly due to the synergistic effect of bimetallic Pt-Pd nanoparticles.
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关键词
mgal2o4 support,decalin dehydrogenation,pt–pd bimetallic nanoparticle,hydrogen production
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