Chapter 13. Principles and applications of solid polymer electrolyte reactors for electrochemical hydrodehalogenation of organic pollutants

Cheng, H; Scott, K

doi:10.1007/978-0-387-68318-8_13

Chapter 13. Principles and applications of solid polymer electrolyte reactors for electrochemical hydrodehalogenation of organic pollutants

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

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Abstract

The ability to re-cycle halogenated liquid wastes, based on electrochemical hydrodehalogenation (EHDH), will provide a significant economic advantage and will reduce the environmental burden in a number of processes. The use of a solid polymer electrolyte (SPE) reactor is very attractive for this purpose. Principles and features of electrochemical HDH technology and SPE EHDH reactors are described. The SPE reactor enables selective dehalogenation of halogenated organic compounds in both aqueous and non-aqueous media with high current efficiency and low energy consumption. The influence of operating conditions, including cathode material, current density, reactant concentration and temperature on the HDH process and its stability are examined.