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Engineering aspects of electrochemical hydrodehalogenation of 2,4-dichlorophenol in a solid polymer electrolyte reactor

Lookup NU author(s): Dr Hua Cheng, Emeritus Professor Keith Scott, Professor Paul ChristensenORCiD

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Abstract

A solid polymer electrolyte reactor is designed for the electrochemical hydrodehalogenation (HDH) of 2,4-dichlorophenol (DCP) in paraffin oil. The reactor has been evaluated at 0.05, 0.1, 0.2, 1 and 2 dm3 scales in terms of cathode materials and structure and ratio of the cathode surface area to the solution volume. A cathode of titanium mini mesh with a palladium electrocatalyst produced by electrodeposition was particularly effective. Current efficiencies of up to 80%, percentage of DCP removal of up to 50%, space-time yields of up to 5.0 kg DCP m-3h-1 and energy consumption as low as 1.5 kWh (kg DCP)-1, were achieved. The reactor showed stable operation for periods of up to 170 h. © 2003 Elsevier B.V. All rights reserved.

Publication metadata

Author(s): Cheng H, Scott K, Christensen PA

Publication type: Article

Publication status: Published

Journal: Applied Catalysis A: General

Year: 2004

Volume: 261

Issue: 1

Pages: 1-6

ISSN (print): 0926-860X

ISSN (electronic): 1873-3875

Publisher: Elsevier BV

URL: http://dx.doi.org/10.1016/j.apcata.2003.10.021

DOI: 10.1016/j.apcata.2003.10.021

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