Paper
RSC Advances
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¨
´
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sion and hydrogen spillover.
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4. Conclusions
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RSC Adv., 2016, 6, 111291–111298.
The amorphous SiO2–Al2O3 (ASA) supported Ni catalysts was
developed by support modication with individual and simul-
taneous incorporation of P and USY, and the catalysts were
prepared using the hydrothermal synthesis method assisted by
cis-9-octadecenylamine. The catalytic activities for naphthalene
hydrogenation in the absence and presence of DBT were studied
over free, individual and simultaneous P and USY promoted
catalysts. All modied catalysts exhibited higher hydrogenation
activity and selectivity of decalin than the freely P and USY
decorated catalyst. When P was added to the ASA supported
catalyst, the hydrogenation activities increased with the P
content up to an optimum concentration of 1.0 wt%. When USY
was introduced, an increased activity was obtained under the
reaction temperature of 240–280 ꢁC, which was particularly
prominent at 10 wt% USY content. Moreover, the catalyst
simultaneously promoted with 1.0 wt% P and 10 wt% USY
exhibited superior hydrogenation activity, selectivity of decalin
and sulfur tolerance, originating from the combination of the
advantages of P and USY with ASA.
¨
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