Deactivation of Ni 2 P/SiO 2 catalyst in hydrodechlorination of chlorobenzene
Publication type: Journal Article
Publication date: 2014-11-01
scimago Q1
wos Q1
SJR: 1.310
CiteScore: 13.4
Impact factor: 6.9
ISSN: 01694332, 18735584
Surfaces, Coatings and Films
General Chemistry
General Physics and Astronomy
Condensed Matter Physics
Surfaces and Interfaces
Abstract
The deactivation of the Ni2P/SiO2 catalyst in the hydrodechlorination of chlorobenzene was studied. To better illuminate the reasons for the deactivation, the effect of HCl on the structure and activity of Ni2P/SiO2 was investigated. For comparison, the deactivation of the Ni/SiO2 catalyst was also involved. It was found that the Ni2P particles possessed good resistance to HCl poison and to sintering, which is ascribed to the electron-deficiency of Niδ+(0 OH group on Ni2P/SiO2 catalyzed the formation of the carbonaceous deposit that was difficultly eliminated by hydrogenation. The carbonaceous deposit covered the active sites and might also induce a decrease in the Ni2P crystallinity, subsequently leading to the Ni2P/SiO2 deactivation. Different from Ni2P/SiO2, Ni/SiO2 was mainly deactivated by the chlorine poison and the sintering of nickel crystallites.
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GOST
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Chen J. et al. Deactivation of Ni 2 P/SiO 2 catalyst in hydrodechlorination of chlorobenzene // Applied Surface Science. 2014. Vol. 320. pp. 643-652.
GOST all authors (up to 50)
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Chen J., Ci D., Yang Q., Li K. Deactivation of Ni 2 P/SiO 2 catalyst in hydrodechlorination of chlorobenzene // Applied Surface Science. 2014. Vol. 320. pp. 643-652.
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RIS
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TY - JOUR
DO - 10.1016/j.apsusc.2014.09.127
UR - https://doi.org/10.1016/j.apsusc.2014.09.127
TI - Deactivation of Ni 2 P/SiO 2 catalyst in hydrodechlorination of chlorobenzene
T2 - Applied Surface Science
AU - Chen, Jixiang
AU - Ci, Donghui
AU - Yang, Qing
AU - Li, Kelun
PY - 2014
DA - 2014/11/01
PB - Elsevier
SP - 643-652
VL - 320
SN - 0169-4332
SN - 1873-5584
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2014_Chen,
author = {Jixiang Chen and Donghui Ci and Qing Yang and Kelun Li},
title = {Deactivation of Ni 2 P/SiO 2 catalyst in hydrodechlorination of chlorobenzene},
journal = {Applied Surface Science},
year = {2014},
volume = {320},
publisher = {Elsevier},
month = {nov},
url = {https://doi.org/10.1016/j.apsusc.2014.09.127},
pages = {643--652},
doi = {10.1016/j.apsusc.2014.09.127}
}