期刊
RSC ADVANCES
卷 6, 期 54, 页码 49113-49122出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ra07720j
关键词
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资金
- National Natural Science Foundation of China [31560241, 51563001]
- Guangxi Natural Science Foundation [2014GXNSFDA118010]
- Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology [2014Z006, 2015Z011]
A small eggshell Ni-based catalyst, supported in a fluid catalytic cracking catalyst residue (SFC3R) with distinct outer shell regions, was synthesized by incipient wetness impregnation using n-heptane and nickel nitrate solution and was applied to C5 petroleum resin hydrogenation. For comparison, a uniform Ni/SFC3R catalyst was prepared by conventional impregnation. The eggshell Ni/SFC3R catalyst exhibited higher activity and better stability than the uniform Ni/SFC3R catalyst for C5 petroleum resin hydrogenation because of its nickel component distribution in the outer region of the particles, small NiO particles, and interaction of NiO-SFC3R. The morphology and microstructure of the micron-sized Ni/SFC3R particles were determined through a FIB (focused ion beam)-cutting technique combined with SEM-EDX. The results showed that the eggshell thickness was approximately 1.8 mm.
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