Preparation of Mesoporous Silica-Supported Palladium Catalysts for Biofuel Upgrade
Author(s) -
Ling Fei,
Harvind K. Reddy,
Joshua Hill,
Qianglu Lin,
Bin Yuan,
Yun Xu,
Peter Dailey,
Shuguang Deng,
Hongmei Luo
Publication year - 2012
Publication title -
journal of nanotechnology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.347
H-Index - 29
eISSN - 1687-9511
pISSN - 1687-9503
DOI - 10.1155/2012/309093
Subject(s) - materials science , catalysis , thermogravimetric analysis , palladium , scanning electron microscope , carbon nanotube , chemical engineering , mesoporous silica , transmission electron microscopy , mesoporous material , raman spectroscopy , nuclear chemistry , nanotechnology , organic chemistry , composite material , chemistry , physics , optics , engineering
We report the preparation of two hydrocracking catalysts Pd/CoMoO4/silica and Pd/CNTs/CoMoO4/silica (CNTs, carbon nanotubes). The structure, morphologies, composition, and thermal stability of catalysts were studied by X-ray diffraction (XRD), scanning electron microscopy (SEM), Raman spectroscopy, transmission electron microscopy (TEM), energy-dispersive X-ray (EDX), and thermogravimetric analysis (TGA). The catalyst activity was measured in a Parr reactor with camelina fatty acid methyl esters (FAMEs) as the feed. The analysis shows that the palladium nanoparticles have been incorporated onto mesoporous silica in Pd/CoMoO4/silica or on the CNTs surface in Pd/CNTs/CoMoO4/silica catalysts. The different combinations of metals and supports have selective control cracking on heavy hydrocarbons
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