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Catalytic hydrodechlorination of trichloroethylene with 2-propanol over Pd/Al2O3

Paper ID Volume ID Publish Year Pages File Format Full-Text
55688 47062 2011 6 PDF Available
Title
Catalytic hydrodechlorination of trichloroethylene with 2-propanol over Pd/Al2O3
Abstract

Catalytic HDC of trichloroethylene (TCE) over 1 wt.% Pd/Al2O3 was carried out using 2-propanol, as solvent and hydrogen donor, in the presence of NaOH. The contribution of the homogeneous HDC reaction was important at 75 °C while at 25 °C thermal effects were less significant. 2-propanol dehydrogenation was evaluated at several reaction conditions and temperatures. It was found that NaOH is necessary for 2-propanol dehydrogenation. TOF of 0.001 s−1 for the HDC of 0.011 M TCE after 1-h reaction at 25 °C was obtained. Used catalyst samples (without any pretreatment) exhibited slightly lower activities than fresh ones. Surface area and dispersion of used catalyst samples decreased because of carbonaceous residues deposition. Treated catalyst samples recovered their surface area and HDC activity of fresh ones.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (151 K)Download as PowerPoint slideHighlights► Propanol as solvent and reducing agent. ► NaOH was required for propanol dehydrogenation. ► Hydrodechlorination (HDC) of trichloroethylene(TCE) on 1 wt.% Pd/Al2O3. ► Catalyst was easily regenerated.

Keywords
Hydrodechlorination; Palladium; Alumina support; Trichloroethylene; 2-Propanol
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Catalytic hydrodechlorination of trichloroethylene with 2-propanol over Pd/Al2O3
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 172, Issue 1, 25 August 2011, Pages 78–83
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us