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    Rights statement: This is the author’s version of a work that was accepted for publication in Chemical Engineering Journal. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Chemical Engineering Journal, 304, 2016 DOI: 10.1016/j.cej.2016.06.070

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Electrochemical regeneration of a graphite adsorbent loaded with Acid Violet 17 in a spouted bed reactor

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<mark>Journal publication date</mark>15/11/2016
<mark>Journal</mark>Chemical Engineering Journal
Volume304
Number of pages9
Pages (from-to)1-9
Publication statusPublished
Early online date14/06/16
Original languageEnglish

Abstract

A novel spouted bed reactor is evaluated for water treatment by an adsorption and electrochemical regeneration process. The adsorbent is a bisulphate graphite intercalation compound with low specific surface area but high electrical conductivity, suitable for adsorption of contaminants and simultaneous electrochemical regeneration within a single unit. The effects of current density and liquid flow rate on Acid Violet 17 removal were investigated. The hydrodynamic behavior of the liquid spouted bed reactor was characterized by a flow regime map. A four-parameter model has been developed to describe the adsorption and electrochemical regeneration process in the liquid spouted bed reactor. It was found that the experimental data of dye removal agrees well with the modelled simulations.

Bibliographic note

This is the author’s version of a work that was accepted for publication in Chemical Engineering Journal. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Chemical Engineering Journal, 304, 2016 DOI: 10.1016/j.cej.2016.06.070