Performance of carbon nanofibres, high surface area graphites, and activated carbons as supports of Pd-based hydrodechlorination catalysts
Publication type: Journal Article
Publication date: 2010-02-01
scimago Q1
wos Q1
SJR: 1.050
CiteScore: 11.2
Impact factor: 5.3
ISSN: 09205861, 18734308
General Chemistry
Catalysis
Abstract
Palladium catalysts (1 wt%) supported on three different carbonaceous supports (activated carbon, AC; carbon nanofibre, CNF; and high surface area graphite, HSAG) were prepared and tested for tetrachloroethylene (TTCE) catalytic hydrodechlorination at 523 K and 195 h −1 space velocity (WHSV). Organic solutions (0.9 mol/L of TTCE in toluene) were used as feed, simulating real chlorinated wastes. Pd/activated carbon and Pd/CNF have shown a fast deactivation on stream, whereas the HSAG-supported catalyst showed the best performance. Characterization of fresh and used catalysts by BET, TEM, XRD and XPS revealed that the deactivation of Pd/AC catalyst is caused by the micropore blockage because of coke formation, whereas in the case of Pd/CNF, deactivation is caused by a combination of coke deposition (in lower extent than in the case of activated carbon), active phase sintering and chlorine poisoning. The best behaviour of the HSAG-based catalysts is caused by the absence of sintering and coke formation, although chlorine poisoning is still present.
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Bueres R. F. et al. Performance of carbon nanofibres, high surface area graphites, and activated carbons as supports of Pd-based hydrodechlorination catalysts // Catalysis Today. 2010. Vol. 150. No. 1-2. pp. 16-21.
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Bueres R. F., Asedegbega Nieto E., Díaz E., Ordóñez S., Díez F. V. Performance of carbon nanofibres, high surface area graphites, and activated carbons as supports of Pd-based hydrodechlorination catalysts // Catalysis Today. 2010. Vol. 150. No. 1-2. pp. 16-21.
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TY - JOUR
DO - 10.1016/j.cattod.2009.05.020
UR - https://doi.org/10.1016/j.cattod.2009.05.020
TI - Performance of carbon nanofibres, high surface area graphites, and activated carbons as supports of Pd-based hydrodechlorination catalysts
T2 - Catalysis Today
AU - Bueres, Ruben F
AU - Asedegbega Nieto, E
AU - Díaz, Eva
AU - Ordóñez, Salvador
AU - Díez, Fernando V
PY - 2010
DA - 2010/02/01
PB - Elsevier
SP - 16-21
IS - 1-2
VL - 150
SN - 0920-5861
SN - 1873-4308
ER -
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BibTex (up to 50 authors)
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@article{2010_Bueres,
author = {Ruben F Bueres and E Asedegbega Nieto and Eva Díaz and Salvador Ordóñez and Fernando V Díez},
title = {Performance of carbon nanofibres, high surface area graphites, and activated carbons as supports of Pd-based hydrodechlorination catalysts},
journal = {Catalysis Today},
year = {2010},
volume = {150},
publisher = {Elsevier},
month = {feb},
url = {https://doi.org/10.1016/j.cattod.2009.05.020},
number = {1-2},
pages = {16--21},
doi = {10.1016/j.cattod.2009.05.020}
}
Cite this
MLA
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Bueres, Ruben F., et al. “Performance of carbon nanofibres, high surface area graphites, and activated carbons as supports of Pd-based hydrodechlorination catalysts.” Catalysis Today, vol. 150, no. 1-2, Feb. 2010, pp. 16-21. https://doi.org/10.1016/j.cattod.2009.05.020.