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Promotion of Ni/SBA-15 catalyst for hydrogenation of naphthalene by pretreatment with ammonia/water vapour
被引:42
作者:
Ren, Shibiao
[1
]
Zhang, Ping
[1
]
Shui, Hengfu
[1
]
Lei, Zhiping
[1
]
Wang, Zhicai
[1
]
Kang, Shigang
[1
]
机构:
[1] Anhui Univ Technol, Anhui Key Lab Clean Coal Convers & Utilizat, Sch Chem & Chem Engn, Maanshan 243002, Peoples R China
关键词:
Ni/SBA;
15;
Hydrogenation;
Ammonia/water vapour;
Naphthalene;
AMMONIUM-NITRATE;
DECOMPOSITION;
D O I:
10.1016/j.catcom.2010.08.022
中图分类号:
O64 [物理化学(理论化学)、化学物理学];
学科分类号:
070304 ;
081704 ;
摘要:
The activities of nickel supported on SBA-15 catalysts which were prepared by pretreatment with ammonia/water vapour were investigated by hydrogenation of naphthalene Comparing with the un-pretreated catalysts the pretreated catalysts exhibited significant activity and naphthalene conversion was improved approximately 100% over the un-pretreated catalysts The formation of NH4NO3 during pretreatment which helped to reduce NO2/O-2 generation thus enhancing the dispersion of NiO was considered to be the main reason for the increased Ni-0 dispersion and the enhanced activity of the catalyst pretreated with ammonia/water vapour (C) 2010 Elsevier B V All rights reserved
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页码:132 / 136
页数:5
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