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Treatability of resin effluents by electrochemical oxidation using batch recirculation reactor
Article 18: Volume 6, Number 3, Summer 2009, Pages 491-498 (8) XML PDF (124 K)
Authors
D. Prabhakaran; T. Kannadasan; C. Ahmed Basha
Abstract
Electro oxidation processes are developed throughout the world for ambient temperature destruction of organic wastes. Several of these processes are based on Mediated electrochemical oxidation. This article presents the experimental results of electro chemical study based on Mediated electrochemical oxidation process conducted for synthetic organic ion exchange resin materials. Investigation was carried out using the traditional noble metal oxide coated anode, ruthenium oxide - titanium and the mediator used for the experiment was ferrous sulphate, with sodium chloride as supporting electrolyte. The concentration of sodium chloride was maintained at 5, 8, 12 gm/L. The experiment was carried out in batch recirculation reactor with varied current densities for various flow rates. The study highlighted that in batch reactor set up the best effect of total organic content reduction was found to occur at 3.75 A/dm2 with flow rate of 20 L/h. The simulated studies were carried out for different volumes of effluent and current densities. A graphical analysis was made between the experimental and simulated values and it was found that both the values are very close.
Keywords
Electrochemical regeneration; Fentons’ mediator; Organic compounds; Simulation; Total organic content
Main Subjects
Batch recirculation reactor; Resin effluents
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