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Effect of La on Ni-W-B Amorphous Catalysts in Hydrodeoxygenation of Phenol

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成果类型:
期刊论文
作者:
Wang, Weiyan;Yang, Yunquan;Luo, Hean;Peng, Huizou;Wang, Feng
通讯作者:
Yang, YQ
作者机构:
[Wang, Weiyan; Peng, Huizou; Wang, Feng; Yang, Yunquan; Luo, Hean] School of Chemical Engineering, Xiangtan University, Xiangtan City, Hunan 411105, China
[Wang, Feng] Department of Chemical and Environment Engineering, Hunan City University, Yiyang, 413000, China
通讯机构:
[Yang, Yunquan] Xiangtan Univ, Sch Chem Engn, Xiangtan 411105, Hunan, Peoples R China.
语种:
英文
关键词:
Active site - Amorphous catalysts - Catalyst surfaces - Chemical reduction - Clear fuels - European regulation - Hydrodeoxygenation - Surface area
期刊:
Industrial and Engineering Chemistry Research
ISSN:
0888-5885
年:
2011
卷:
50
期:
19
页码:
10936-10942
文献类别:
WOS:Article;EI:Journal article (JA)
所属学科:
ESI学科类别:化学;WOS学科类别:Engineering, Chemical
入藏号:
WOS:000295237000005;EI:20121814976935
基金类别:
Hunan Provincial Education Department [10K062]; Hunan Provincial Innovation Foundation for Postgraduate study [CX2009B135]
机构署名:
本校为其他机构
院系归属:
材料与化学工程学院
摘要:
Ni-W-B and La-promoted Ni-W-B amorphous catalysts were prepared by chemical reduction and applied within the hydrodeoxygenation (HDO) of phenol. The resulting catalysts were characterized by surface area, X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), and scanning electron microscopy (SEM). The results showed that some of the electrons were transferred from B<sup>0</sup> to Ni<sup>0</sup> in Ni-W-B amorphous catalyst. La promoted the reduction of Ni<sup>2+</sup> to Ni<sup>0</sup> and increased the WO<inf>3</inf> content on the catalyst surface. Adding appropriate La in Ni-W-B amorphous catalyst improved the amorphous degree of the catalyst, but excess amounts of La covered some active sites and decreased the catalyst surface area. The HDO of phenol on these amorphous catalysts proceeded via the hydrogenation-dehydration route, leading to no benzene in the products, which could meet the standard of clear fuel in European regulation. La-Ni-W-B amorphous catalysts exhibited higher activities in theHDOof phenol than Ni-W-B amorphous catalyst. &copy;2011 American Chemical Society.
参考文献:
Bui VN, 2011, APPL CATAL B-ENVIRON, V101, P239, DOI 10.1016/j.apcatb.2010.10.025
Bunch AY, 2002, J CATAL, V206, P177, DOI 10.1006/jcat.2001.3490
Serrano-Ruiz JC, 2011, ENERG ENVIRON SCI, V4, P83, DOI 10.1039/c0ee00436g
Chen XF, 2003, APPL CATAL A-GEN, V253, P359, DOI 10.1016/S0926-860X(03)00544-1
Elliott D. C., 2008, ENERG FUEL, V23, P631

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