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The Influences of Reaction Conditions on Phenanthrene Hydrogenation over NiW/Al2O3 Catalyst

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Abstract:

Hydrogenation of phenanthrene (PHE HYD) was investigated over a commercial NiW/Al2O3 catalyst under practical reaction conditions. GC-MS analysis was utilized to identify the numerous products formed during PHE HYD. The products included dihydrophenanthrene (DHP), 1,2,3,4-tetrahydrophenanthrene (THP), sym-octahydrophenanthrene (1,8-OHP), asym-octahydrophenanthrene (1,10-OHP) and perhydrophenanthrene (PHP), but the cracking products were not found under the reaction conditions. The effects of operating conditions such as temperature, pressure and H2/liquor on PHE HYD were tested in detail. It is found that temperature and pressure had remarkable effect on PHE HYD, but volume ratio of H2/liquor had little effect on PHE HYD at the observation range. The addition of decalin had a positive impact on PHE HYD; it could increase the conversion of PHE and the selectivity to PHP.

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Info:

Periodical:

Advanced Materials Research (Volumes 512-515)

Pages:

2200-2206

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.512-515.2200

Citation:

Cite this paper

Online since:

May 2012

Authors:

Kun Wang, Jun Guan, De Min He, Qiu Min Zhang

Keywords:

Hydrogenation, Phenanthrene, Selectivity

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