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Title: | Metribuzin removal with electro-activated granular carbon |
Authors: | Lounici, Hakim |
Keywords: | Granular activated carbon Electro-activation Pesticide Metribuzin Water treatment |
Issue Date: | Dec-2011 |
Publisher: | universite de bouira |
Citation: | Elsevier Science |
Abstract: | The main purpose of this work was to extend the application of a novel separation technique to the removal of pesticides from superficial waters. The technique is based on the process of adsorption on granular activated carbons (GAC) that are initially activated by an electrical potential. The activation technique, so-called electro-activation, was applied to a column of GAC, in which the adsorption of the pesticide metribuzin was investigated under process-affecting variables, namely, the electrochemical potential, the initial metribuzin to GAC concentration ratio and the ionic strength of the adsorbed solution, which was varied by adding solutions of NaCl, KCl and Na2SO4. The results obtained for a solution with an initial metribuzin to GAC concentration ratio of 30 mg/g, an electrical potential of −200 mV/SCE and an NaCl solution of 2 g dm−3 showed a maximum increase in the adsorption capacity of metribuzin of 38% compared to that obtained without the electro-activation of GAC. |
URI: | http://dspace.univ-bouira.dz:8080/jspui/handle/123456789/6605 |
Appears in Collections: | Articles |
Files in This Item:
File | Description | Size | Format | |
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Metribuzin removal with electro-activated granular carbon.pdf | 320,1 kB | Adobe PDF | View/Open |
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