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Environmental Engineering Research 2008;13(2): 98-104. DOI: https://doi.org/10.4491/eer.2008.13.2.098
Chromate Removal from Wastewater using Micellar Enhanced Ultrafiltration and Activated Carbon Fibre Processes; Validation of Experiment with Mathematical Equations
Rabindra Bade, and Seung Hwan Lee
School of Civil and Environmental Engineering, Kumoh National Institute of Technology, 1 Yangho-dong, Gyeongbuk, 730-701, Korea
Corresponding Author: Seung Hwan Lee ,Tel: +82-54-478-7632, Fax: +82-54-478-7629, Email: dlee@kumoh.ac.kr
Received: May 12, 2008;  Accepted: June 10, 2008.
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ABSTRACT
In this study, chromate and cetylperidinium chloride (CPC) removal from artificial wastewater was monitored by using micellar enhanced ultrafiltration (MEUF) and activated carbon fibre (ACF) adsorption hybrid processes. For the efficient chromate removal, molar concentration of the CPC should be five times that of chromate and it should be at least one critical micelle concentration (CMC). The MEUF was found to be effective in the chromate removal while ACF in the CPC adsorption to produce chromate and CPC free effluents. The chromate and CPC removal was 99.8% from MEUF-ACF process. Effluent chromate concentration was exponentially correlated with molar ratio of CPC to chromate and pH.
Keywords: Activated carbon fibre | Cetylpyridinium chloride | Chromate | Micellar enhanced ultrafiltration | Mathematical equation
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