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Electrochemical Reactors for Metal Recovery from Aqueous Halide Electrolyte Solutions

Cheng, Chun-Yee and Dawson, Richard and Kelsall, Geoff and Robson, Anna (2007) Electrochemical Reactors for Metal Recovery from Aqueous Halide Electrolyte Solutions. In: TMS 2007 Annual Meeting & Exhibition, 2007-02-252007-03-01.

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Applications of electrochemical technology involving low reactant concentrations require electrodes with high mass transport rates and specific surface areas to increase cross-sectional current densities and optimise capital and operating costs. Experimental results will be compared with model predictions for two such reactor types, which facilitate adherent and coherent deposit morphologies: a) cathode feeder electrodes contacting unconsolidated beds of moving, conducting particles that can grow, and enable continual harvesting of the metallic product by hydraulic transport from the bed of the particles; b) mesh cathodes in fluidised beds of inert particles, to enhance mass transport rates; used for metal recovery from: i) low concentrations of platinum in aqueous iodide solutions; ii) acidic aqueous chloride solutions, produced by the leaching of waste electrical and electronic equipment, containing precious metals in low concentrations and base metals in high concentrations.

Item Type: Contribution to Conference (Other)
Journal or Publication Title: TMS 2007 Annual Meeting & Exhibition
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Departments: Faculty of Science and Technology > Engineering
ID Code: 58006
Deposited By: ep_importer_pure
Deposited On: 19 Oct 2012 13:36
Refereed?: Yes
Published?: Published
Last Modified: 09 Feb 2018 00:13
Identification Number:

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