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Vol. 25 No. 10 (2013): Vol 25 Issue 10

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Evaluation of the Modified Clays in the Treatment of Car-washing Wastewater

https://doi.org/10.14233/ajchem.2013.OH109
Cheol Gyu Kim
Department of Civil and Environmental Engineering, Hanbat National University, Daejeon, 305-719, Republic of Korea
Hyung Joon Lee
Department of Civil and Environmental Engineering, Hanbat National University, Daejeon, 305-719, Republic of Korea
Young Muk Kim
Department of Civil and Environmental Engineering, Hanbat National University, Daejeon, 305-719, Republic of Korea
J.Q. Jiang
School of Engineering and Built Environment, Glasgow Caledonian University, Glasgow, G4 0BA, Scotland, UK

Asian Journal of Chemistry, Vol. 25 No. 10 (2013): Vol 25 Issue 10

Abstract

The modification and use of clays as a new type of agents for the treatment of car washing effluent were investigated. The raw clays were montmorillonites K10 and KSF and were modified by either polymeric Al or Fe species, or an Al/Fe mixing polymeric species, or the cationic polymer species. The performance of modified clays was compared with aluminium sulphate, ferric sulphate and polyaluminium chloride in terms of the removal of turbidity, suspended solids, total COD and the oil contents (extracted with n-Hexane). The results demonstrated that after being modified with polymeric Al/Fe species, two montmorillonite clays possess greater properties to remove the particles (as suspended solids), organic pollutants (as COD) and oils from car-washing wastewater.

Keywords

Clay Coagulation Polymeric Al/Fe species Car-washing wastewater treatment
Gyu Kim, C., Joon Lee, H., Muk Kim, Y., & Jiang, J. (2013). Evaluation of the Modified Clays in the Treatment of Car-washing Wastewater. Asian Journal of Chemistry, 25(10), 5851–5855. https://doi.org/10.14233/ajchem.2013.OH109
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