An electrocoagulation unit for the purification of soluble oil wastes of high COD
Identifieur interne : 001672 ( Main/Exploration ); précédent : 001671; suivant : 001673An electrocoagulation unit for the purification of soluble oil wastes of high COD
Auteurs : L. Sánchez Calvo [France] ; Jean-Pierre Leclerc [France] ; G. Tanguy [France] ; M. C. Cames [France] ; G. Paternotte [France] ; G. Valentin [France] ; A. Rostan [France] ; François Lapicque [France]Source :
- Environmental Progress [ 0278-4491 ] ; 2003-04.
Descripteurs français
- Wicri :
- topic : Eau usée.
English descriptors
- KwdEn :
- Abundant literature, Aluminum electrodes, Aluminum plates, April, Coagulant, Coagulant concentration, Coagulant dose, Continuous operation, Current density, Efficient treatment, Electrocoagulation, Electrocoagulation cells, Electrocoagulation process, Electrode, Electrode channel, Electrode surface, Electrolytic treatment, Environmental progress, Filter press, Filtration separation, Flocculating agent, Flow rate, Flow rates, Free surface, Homogenization tank, Hydrogen bubbles, Individual wastes, Industrial unit, Joule effect, Laboratory cell, Liquid velocity, Liquid waste, Liquid wastes, Oily wastes, Organic matter, Overall process, Pilot cell, Pilot unit, Preliminary tests, Process efficiency, Recirculation, Recirculation rate, Removal yields, Sacrificial anodes, Schematic view, Sludge, Sodium chloride, Sodium hydroxide, Solid matter, Soluble, Soluble oils, Specific energy consumption, Treatment efficiency, Vivendi environment, Wastewater.
- Teeft :
- Abundant literature, Aluminum electrodes, Aluminum plates, April, Coagulant, Coagulant concentration, Coagulant dose, Continuous operation, Current density, Efficient treatment, Electrocoagulation, Electrocoagulation cells, Electrocoagulation process, Electrode, Electrode channel, Electrode surface, Electrolytic treatment, Environmental progress, Filter press, Filtration separation, Flocculating agent, Flow rate, Flow rates, Free surface, Homogenization tank, Hydrogen bubbles, Individual wastes, Industrial unit, Joule effect, Laboratory cell, Liquid velocity, Liquid waste, Liquid wastes, Oily wastes, Organic matter, Overall process, Pilot cell, Pilot unit, Preliminary tests, Process efficiency, Recirculation, Recirculation rate, Removal yields, Sacrificial anodes, Schematic view, Sludge, Sodium chloride, Sodium hydroxide, Solid matter, Soluble, Soluble oils, Specific energy consumption, Treatment efficiency, Vivendi environment, Wastewater.
Abstract
In spite of abundant literature on the topic, the efficiency of electrocoagulation for a specific effluent cannot be predicted in advance. Prior to designing an industrial wastewater treatment unit, preliminary treatment tests have to be done using different soluble oil wastes with a very high chemical oxygen demand (COD). The influence of various parameters can then be assessed. Coagulant dose, linked to the electrical charge passed and the nature of the waste, seem to be the controlling parameters of process efficiency. The results obtained at the laboratory‐scale have been confirmed in a small pilot cell, and an industrial unit has been designed. A preliminary economic study shows that electrocoagulation may be competitive with current treatment technologies. From knowledge gained at bench‐scale, we concluded that electrocoagulation appears to be a suitable process for treatment of soluble oily wastes with high COD.
Url:
DOI: 10.1002/ep.670220117
Affiliations:
- France
- Grand Est, Lorraine (région), Île-de-France
- Limay, Nancy
- Centre national de la recherche scientifique, Laboratoire réactions et génie des procédés, Université de Lorraine
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type="ISSN">0278-4491</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Abundant literature</term><term>Aluminum electrodes</term><term>Aluminum plates</term><term>April</term><term>Coagulant</term><term>Coagulant concentration</term><term>Coagulant dose</term><term>Continuous operation</term><term>Current density</term><term>Efficient treatment</term><term>Electrocoagulation</term><term>Electrocoagulation cells</term><term>Electrocoagulation process</term><term>Electrode</term><term>Electrode channel</term><term>Electrode surface</term><term>Electrolytic treatment</term><term>Environmental progress</term><term>Filter press</term><term>Filtration separation</term><term>Flocculating agent</term><term>Flow rate</term><term>Flow rates</term><term>Free surface</term><term>Homogenization tank</term><term>Hydrogen bubbles</term><term>Individual wastes</term><term>Industrial unit</term><term>Joule effect</term><term>Laboratory cell</term><term>Liquid velocity</term><term>Liquid waste</term><term>Liquid wastes</term><term>Oily wastes</term><term>Organic matter</term><term>Overall process</term><term>Pilot cell</term><term>Pilot unit</term><term>Preliminary tests</term><term>Process efficiency</term><term>Recirculation</term><term>Recirculation rate</term><term>Removal yields</term><term>Sacrificial anodes</term><term>Schematic view</term><term>Sludge</term><term>Sodium chloride</term><term>Sodium hydroxide</term><term>Solid matter</term><term>Soluble</term><term>Soluble oils</term><term>Specific energy consumption</term><term>Treatment efficiency</term><term>Vivendi environment</term><term>Wastewater</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Abundant literature</term><term>Aluminum electrodes</term><term>Aluminum plates</term><term>April</term><term>Coagulant</term><term>Coagulant concentration</term><term>Coagulant dose</term><term>Continuous operation</term><term>Current density</term><term>Efficient treatment</term><term>Electrocoagulation</term><term>Electrocoagulation cells</term><term>Electrocoagulation process</term><term>Electrode</term><term>Electrode channel</term><term>Electrode surface</term><term>Electrolytic treatment</term><term>Environmental progress</term><term>Filter press</term><term>Filtration separation</term><term>Flocculating agent</term><term>Flow rate</term><term>Flow rates</term><term>Free surface</term><term>Homogenization tank</term><term>Hydrogen bubbles</term><term>Individual wastes</term><term>Industrial unit</term><term>Joule effect</term><term>Laboratory cell</term><term>Liquid velocity</term><term>Liquid waste</term><term>Liquid wastes</term><term>Oily wastes</term><term>Organic matter</term><term>Overall process</term><term>Pilot cell</term><term>Pilot unit</term><term>Preliminary tests</term><term>Process efficiency</term><term>Recirculation</term><term>Recirculation rate</term><term>Removal yields</term><term>Sacrificial anodes</term><term>Schematic view</term><term>Sludge</term><term>Sodium chloride</term><term>Sodium hydroxide</term><term>Solid matter</term><term>Soluble</term><term>Soluble oils</term><term>Specific energy consumption</term><term>Treatment efficiency</term><term>Vivendi environment</term><term>Wastewater</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Eau usée</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In spite of abundant literature on the topic, the efficiency of electrocoagulation for a specific effluent cannot be predicted in advance. Prior to designing an industrial wastewater treatment unit, preliminary treatment tests have to be done using different soluble oil wastes with a very high chemical oxygen demand (COD). The influence of various parameters can then be assessed. Coagulant dose, linked to the electrical charge passed and the nature of the waste, seem to be the controlling parameters of process efficiency. The results obtained at the laboratory‐scale have been confirmed in a small pilot cell, and an industrial unit has been designed. A preliminary economic study shows that electrocoagulation may be competitive with current treatment technologies. From knowledge gained at bench‐scale, we concluded that electrocoagulation appears to be a suitable process for treatment of soluble oily wastes with high COD.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Grand Est</li><li>Lorraine (région)</li><li>Île-de-France</li></region><settlement><li>Limay</li><li>Nancy</li></settlement><orgName><li>Centre national de la recherche scientifique</li><li>Laboratoire réactions et génie des procédés</li><li>Université de Lorraine</li></orgName></list><tree><country name="France"><noRegion><name sortKey="Calvo, L Sanchez" sort="Calvo, L Sanchez" uniqKey="Calvo L" first="L. Sánchez" last="Calvo">L. Sánchez Calvo</name></noRegion><name sortKey="Calvo, L Sanchez" sort="Calvo, L Sanchez" uniqKey="Calvo L" first="L. Sánchez" last="Calvo">L. Sánchez Calvo</name><name sortKey="Calvo, L Sanchez" sort="Calvo, L Sanchez" uniqKey="Calvo L" first="L. Sánchez" last="Calvo">L. Sánchez Calvo</name><name sortKey="Cames, M C" sort="Cames, M C" uniqKey="Cames M" first="M. C." last="Cames">M. C. Cames</name><name sortKey="Lapicque, F" sort="Lapicque, F" uniqKey="Lapicque F" first="F." last="Lapicque">François Lapicque</name><name sortKey="Leclerc, Jean Ierre" sort="Leclerc, Jean Ierre" uniqKey="Leclerc J" first="Jean-Pierre" last="Leclerc">Jean-Pierre Leclerc</name><name sortKey="Paternotte, G" sort="Paternotte, G" uniqKey="Paternotte G" first="G." last="Paternotte">G. Paternotte</name><name sortKey="Rostan, A" sort="Rostan, A" uniqKey="Rostan A" first="A." last="Rostan">A. Rostan</name><name sortKey="Tanguy, G" sort="Tanguy, G" uniqKey="Tanguy G" first="G." last="Tanguy">G. Tanguy</name><name sortKey="Valentin, G" sort="Valentin, G" uniqKey="Valentin G" first="G." last="Valentin">G. Valentin</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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