Kinetics Analysis of Palladium/Gold Nanoparticles as Colloidal Hydrodechlorination Catalysts
1
Department of Chemical and Biomolecular Engineering,
2
Department of Civil and Environmental Engineering,
3
Center for Biological and Environmental Nanotechnology, and
Publication type: Journal Article
Publication date: 2011-01-18
scimago Q1
wos Q1
SJR: 3.782
CiteScore: 19.5
Impact factor: 13.1
ISSN: 21555435
General Chemistry
Catalysis
Abstract
The aqueous-phase hydrodechlorination (HDC) of trichloroethene (TCE) is an important chemical reaction for water pollution control, for which unsupported palladium-on-gold and palladium nanoparticles (Pd/Au and Pd NPs) definitively show the beneficial effects of gold on palladium catalysis. The observed batch reactor kinetics can be erroneously oversimplified when concentration and mass transfer effects are neglected. A comprehensive treatment of NP catalysis is presented here using Pd-based NPs as the catalytic colloid and TCE HDC as the model reaction. Mass transfer effects were quantified for three specific compositions (Pd/Au NPs with 30% and 60% Pd surface coverages, and pure Pd NPs) by analyzing the observed reaction rates as functions of stirring rate and initial catalyst charge. The largest effect on observed reaction rates came from gas−liquid mass transfer. The TCE HDC reaction was modeled as a Langmuir−Hinshelwood mechanism involving competitive chemisorption of dihydrogen and TCE for all three...
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57
Total citations:
57
Citations from 2024:
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(5%)
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GOST
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Fang Yu. L. et al. Kinetics Analysis of Palladium/Gold Nanoparticles as Colloidal Hydrodechlorination Catalysts // ACS Catalysis. 2011. Vol. 1. No. 2. pp. 128-138.
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Fang Yu. L., Heck K. N., Alvarez P., Wong M. Kinetics Analysis of Palladium/Gold Nanoparticles as Colloidal Hydrodechlorination Catalysts // ACS Catalysis. 2011. Vol. 1. No. 2. pp. 128-138.
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RIS
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TY - JOUR
DO - 10.1021/cs100067k
UR - https://doi.org/10.1021/cs100067k
TI - Kinetics Analysis of Palladium/Gold Nanoparticles as Colloidal Hydrodechlorination Catalysts
T2 - ACS Catalysis
AU - Fang, Yu Lun
AU - Heck, Kimberly N
AU - Alvarez, Pedro
AU - Wong, M.S.
PY - 2011
DA - 2011/01/18
PB - American Chemical Society (ACS)
SP - 128-138
IS - 2
VL - 1
SN - 2155-5435
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2011_Fang,
author = {Yu Lun Fang and Kimberly N Heck and Pedro Alvarez and M.S. Wong},
title = {Kinetics Analysis of Palladium/Gold Nanoparticles as Colloidal Hydrodechlorination Catalysts},
journal = {ACS Catalysis},
year = {2011},
volume = {1},
publisher = {American Chemical Society (ACS)},
month = {jan},
url = {https://doi.org/10.1021/cs100067k},
number = {2},
pages = {128--138},
doi = {10.1021/cs100067k}
}
Cite this
MLA
Copy
Fang, Yu. Lun, et al. “Kinetics Analysis of Palladium/Gold Nanoparticles as Colloidal Hydrodechlorination Catalysts.” ACS Catalysis, vol. 1, no. 2, Jan. 2011, pp. 128-138. https://doi.org/10.1021/cs100067k.