DBPapers
DOI: 10.5593/SGEM2016/HB63/S09.060

REMOVAL OF DYES AND HEAVY METALS FROM WASTEWATER USING ELECTROCOAGULATION PROCESS

P. Negrea, V. Minzatu, M. Ciopec, A. Negrea
Friday 11 November 2016

References: 16th International Multidisciplinary Scientific GeoConference SGEM 2016, SGEM Vienna GREEN Extended Scientific Sessions, www.sgemviennagreen.org, SGEM2016 Conference Proceedings, ISBN 978-619-7105-79-7 / ISSN 1314-2704, 2 - 5 November, 2016, Book 6 Vol. 3, 465-472pp, DOI: 10.5593/SGEM2016/HB63/S09.060

ABSTRACT
One million tons of synthetic dyes or pigments are produced worldwide annually with widely uses in various industries such as textiles and leather, paper production, paints, photography, printing.
These fields generate complex wastewater containing dyes and heavy metals. Traditional treatments are combinations of physicochemical, physical and biological methods. Electrocoagulation technology has contributed in many ways to a cleaner environment and covers a wide range of applications.
The aim of the present work is to study the possibility of treating wastewater from ink-jet cartridges remanufacturing. These wastewater containing high concentrations of dyes and heavy metals (Pb, Zn, Cu and Cd).
The possibility of using electrocoagulation technique to remove dyes and heavy metals from wastewater using an 1 liter electrocoagulation cell and iron soluble anodes has been investigated.
Several parameters such as electrolysis time, current density during electrolysis and composition of wastewaters were investigated for their effects on the pollutant removal efficiency.
The removal of the dyes was determined by UV-VIS spectrophotometry and heavy metals by ICP-MS mass spectrometry.

Keywords: wastewaters, dyes, heavy metals, electrocoagulation.

PAPER DOI: 10.5593/SGEM2016/HB63/S09.060, REMOVAL OF DYES AND HEAVY METALS FROM WASTEWATER USING ELECTROCOAGULATION PROCESS

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