Publication

Electrochemical treatment of wastewater containing organic pollutants

Christos Comninellis
1994
Conference Papers

Abstract

A simple method is presented which allows to est. the facility of the electrochem. oxidn. of org. species using the "electrochem. oxidn. index" (EOI) and the degree of oxidn. using the "electrochem. oxygen demand" (EOD). Using this method the authors have found that: - At the platinum anode, benzene derivs. having electron donating substituents are efficiently oxidized. The EOI values for oxidn. of phenol are independent of c.d. and temp. but increase with phenol concn. and pH. The EOI values are strongly dependent on the type of anode material used; Ti/SnO2 anodes give the highest EOI values. Finally, the electrochem. oxidn. is compared with the chem. oxidn. and a mechanism for the electrochem. oxidn. is proposed. [on SciFinder (R)]

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https://infoscience.epfl.ch/entities/publication/1631a5cb-97a8-422e-8069-b07f1f7c841b

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Christos Comninellis
1994
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/1631a5cb-97a8-422e-8069-b07f1f7c841b

About this result

Related concepts (22)

Anode

An anode is an electrode of a polarized electrical device through which conventional current enters the device. This contrasts with a cathode, an electrode of the device through which conventional current leaves the device. A common mnemonic is ACID, for "anode current into device". The direction of conventional current (the flow of positive charges) in a circuit is opposite to the direction of electron flow, so (negatively charged) electrons flow out the anode of a galvanic cell, into an outside or external circuit connected to the cell.

Electrode

An electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit (e.g. a semiconductor, an electrolyte, a vacuum or air). Electrodes are essential parts of batteries that can consist of a variety of materials depending on the type of battery. The electrophore, invented by Johan Wilcke, was an early version of an electrode used to study static electricity. Electrodes are an essential part of any battery. The first electrochemical battery made was devised by Alessandro Volta and was aptly named the Voltaic cell.

Biochemical oxygen demand

Biochemical oxygen demand (also known as BOD or biological oxygen demand) is an analytical parameter representing the amount of dissolved oxygen (DO) consumed by aerobic bacteria growing on the organic material present in a water sample at a specific temperature over a specific time period. The BOD value is most commonly expressed in milligrams of oxygen consumed per liter of sample during 5 days of incubation at 20 °C and is often used as a surrogate of the degree of organic water pollution.

Related publications (6)

Electrochemical treatment of wastewater containing organic pollutants

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