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Chromium removal using a porous carbon felt cathode

Lookup NU author(s): Hongdong Yu


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Removal of hexavalent chromium by an electrochemical process using a carbon felt electrode in a flow-through electrochemical cell was studied. Optimum operating conditions, such as pH and current density were investigated. It was found that at pH 3.5, current density 400 A m-2 and flow velocity of 1.11 cm s-1, the total chromium and Cr(VI) concentrations can be reduced to less than 5 mg 1-1 within 230 min operation for 51 of solution with an initial concentration of 50 mg 1-1. It was found that the solution pH is a critical factor for the chromium removal process. To achieve high chromium removal efficiency, pH and current density must be carefully controlled.

Publication metadata

Author(s): Roberts EPL, Yu H

Publication type: Article

Publication status: Published

Journal: Journal of Applied Electrochemistry

Year: 2002

Volume: 32

Issue: 10

Pages: 1091-1099

ISSN (print): 0021-891X

ISSN (electronic): 1572-8838

Publisher: Springer


DOI: 10.1023/A:1021282015050


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