Overview
ABSTRACT
Oxydoreduction techniques are used in almost all domains of water treatment (preparation of water for consumption, of industrial waters or purification of effluents). They can operate in various ways, physico-chemically or biologically and with various objectives, such as in particular the precipitation of a dissolved metal, solubilization, oxidation, the transformation of undesirable dissolved mineral forms, or even the action on the organoleptics of drinking waters. After having recalled theoretical principles, this article details the basic principles of the oxydoreduction, presents the use of thermodynamic stability diagrams and ends on the classification of oxidants by their normal potential.
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Read the articleAUTHORS
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Sylvie BAIG : Chemical engineer ENSIACET - Doctorate in agroresources science from INP Toulouse - Scientific innovation manager at Degrémont
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Pierre MOUCHET : Agricultural engineer INA Paris-GREF - Former director at Degrémont - Lecturer at the National School of Water and Environmental Engineering in Strasbourg (ENGEES)
INTRODUCTION
Redox techniques are used in virtually all areas of water treatment ( , , ), whether for the preparation of drinking water ( , , , , ,
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Oxidation and reduction applied to water treatment - General principles
Oxidation and reduction
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