Publication

Kinetic experiments of electrochemical oxidation of iohexol on BDD electrodes for wastewater treatment

Christos Comninellis, Luca Rossi
2012
Journal Articles

Abstract

Electrolysis of iohexol, an iodinated X-ray contrast medium, on synthetic boron-doped diamond (BDD) thin film electrodes was investigated for the first time. Kinetic experiments of electrochemical oxidation resulted in complete elimination of iohexol. Data from the kinetic experiments were compared against estimates by the kinetic model proposed previously by Comninellis et al. Excellent agreement between the experimental results and the kinetic model was observed. The results suggest that electrolysis on BDD electrodes is a promising method for the elimination of iohexol from wastewater. (C) 2012 Elsevier B.V. All rights reserved.

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https://infoscience.epfl.ch/entities/publication/0c59cbd0-dd92-40ba-82d3-840353c8f3c5

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Christos Comninellis, Luca Rossi
2012
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/0c59cbd0-dd92-40ba-82d3-840353c8f3c5

About this result

Related concepts (32)

Industrial wastewater treatment

Industrial wastewater treatment describes the processes used for treating wastewater that is produced by industries as an undesirable by-product. After treatment, the treated industrial wastewater (or effluent) may be reused or released to a sanitary sewer or to a surface water in the environment. Some industrial facilities generate wastewater that can be treated in sewage treatment plants.

Wastewater treatment

Wastewater treatment is a process which removes and eliminates contaminants from wastewater and converts this into an effluent that can be returned to the water cycle. Once returned to the water cycle, the effluent creates an acceptable impact on the environment or is reused for various purposes (called water reclamation). The treatment process takes place in a wastewater treatment plant. There are several kinds of wastewater which are treated at the appropriate type of wastewater treatment plant.

Electrochemical cell

An electrochemical cell is a device that generates electrical energy from chemical reactions. Electrical energy can also be applied to these cells to cause chemical reactions to occur. Electrochemical cells which generate an electric current are called voltaic or galvanic cells and those that generate chemical reactions, via electrolysis for example, are called electrolytic cells. Both galvanic and electrolytic cells can be thought of as having two half-cells: consisting of separate oxidation and reduction reactions.

Related publications (16)

Kinetic experiments of electrochemical oxidation of iohexol on BDD electrodes for wastewater treatment

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