Removal of Organic Compounds from Aqueous Solutions by the Electrochemical Reactor with Fluidized-bed Carbon Layer

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  • Removal of Organic Compounds from Aqueous Solutions by the Electrochemical Reactor with Fluidized-bad Carbon Layer

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Abstract

<p>A method for potential-dependant separation by an electrochemical reactor based on flow-through mode with a fluidized-bed carbon layer was described. In this method, activated synthetic carbons were used as a fluidized-bed electrode. Influence of surface acidic functional groups, applied potential and pH of surrounding electrolyte on the adsorption capacity of the activated carbons for benzoic acid and phenol was studied. Anodic polarization of the activated carbons was found to result in increase in adsorption capacity of the activated carbons for benzoic acid and entire oxidation of phenol. Application of cathodic external potential allowed regeneration of spent activated carbons. A practically available technique for developing and regenerating materials for effective electrochemical separation suitable for further application in electro adsorption was described in this work.</p>

Journal

  • Electrochemistry

    Electrochemistry 68 (8), 639-644, 2000-08-05

    The Electrochemical Society of Japan

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