Treatment of metal finishing effluents by the electroflotation technique
Identifieur interne : 000799 ( Main/Exploration ); précédent : 000798; suivant : 000800Treatment of metal finishing effluents by the electroflotation technique
Auteurs : A. Khelifa [Algérie] ; S. Moulay [Algérie] ; A. W. Naceur [Algérie]Source :
- Desalination : (Amsterdam) [ 0011-9164 ] ; 2005.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Eau usée, Métal lourd, Pollution, Santé publique, Industrie métallurgique.
English descriptors
- KwdEn :
Abstract
Metal finishing plants in the vicinity of the Mazafran River continuously discharge a substantial amount of wastewater. This water disposal contains an appreciable quantity of heavy metals such as nickel, copper, zinc, cobalt, etc. The river, located west of Algiers Bay, ends at the Mediteranean Sea. The techniques used to depress the pollution caused by the effluents of the metal finishing industry are costly and not easily controllable. Electroflotation (EF) serves as an efficient and promising alternative due to its simplicity and cost-effectiveness. In the present work EF was used to reduce the concentrations of copper and nickel found in real wastewater. The effects of the following parameters were examined: current density, pH, heavy metal concentration, supporting electrolyte concentration, and the nature of the electrodes. By optimizing the operation, heavy metal removal reached 98-99%, and maintained final and global concentration to a value lower than the World Health Organization standard, which is 1 mg/L for nickel and copper.
Affiliations:
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Naceur</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Département de Chimie Industrielle, Faculté des Sciences de L'Ingénieur, Université Saâd Dahlab de Blida, B.P. 270, Route de Soumâa</s1><s2>09000 Blida</s2><s3>DZA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Algérie</country><wicri:noRegion>09000 Blida</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">05-0405111</idno><date when="2005">2005</date><idno type="stanalyst">PASCAL 05-0405111 INIST</idno><idno type="RBID">Pascal:05-0405111</idno><idno type="wicri:Area/PascalFrancis/Corpus">000306</idno><idno type="wicri:Area/PascalFrancis/Curation">000135</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000299</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">000299</idno><idno type="wicri:doubleKey">0011-9164:2005:Khelifa A:treatment:of:metal</idno><idno type="wicri:Area/Main/Merge">000819</idno><idno type="wicri:Area/Main/Curation">000799</idno><idno type="wicri:Area/Main/Exploration">000799</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Treatment of metal finishing effluents by the electroflotation technique</title><author><name sortKey="Khelifa, A" sort="Khelifa, A" uniqKey="Khelifa A" first="A." last="Khelifa">A. Khelifa</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Département de Chimie Industrielle, Faculté des Sciences de L'Ingénieur, Université Saâd Dahlab de Blida, B.P. 270, Route de Soumâa</s1><s2>09000 Blida</s2><s3>DZA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Algérie</country><wicri:noRegion>09000 Blida</wicri:noRegion></affiliation></author><author><name sortKey="Moulay, S" sort="Moulay, S" uniqKey="Moulay S" first="S." last="Moulay">S. Moulay</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Département de Chimie Industrielle, Faculté des Sciences de L'Ingénieur, Université Saâd Dahlab de Blida, B.P. 270, Route de Soumâa</s1><s2>09000 Blida</s2><s3>DZA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Algérie</country><wicri:noRegion>09000 Blida</wicri:noRegion></affiliation></author><author><name sortKey="Naceur, A W" sort="Naceur, A W" uniqKey="Naceur A" first="A. W." last="Naceur">A. W. Naceur</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Département de Chimie Industrielle, Faculté des Sciences de L'Ingénieur, Université Saâd Dahlab de Blida, B.P. 270, Route de Soumâa</s1><s2>09000 Blida</s2><s3>DZA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Algérie</country><wicri:noRegion>09000 Blida</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Desalination : (Amsterdam)</title><title level="j" type="abbreviated">Desalination : (Amst.)</title><idno type="ISSN">0011-9164</idno><imprint><date when="2005">2005</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Desalination : (Amsterdam)</title><title level="j" type="abbreviated">Desalination : (Amst.)</title><idno type="ISSN">0011-9164</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Bay</term><term>Density</term><term>Electrodeposition</term><term>Electrodes</term><term>Electroflotation</term><term>Electrolyte</term><term>Heavy metal</term><term>Metallurgical industry</term><term>Optimization</term><term>Pollution</term><term>Public health</term><term>Stream</term><term>Waste water</term><term>Waste water purification</term><term>pH</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Electroflottation</term><term>Cours eau</term><term>Eau usée</term><term>Métal lourd</term><term>Baie</term><term>Pollution</term><term>Densité</term><term>pH</term><term>Electrolyte</term><term>Electrode</term><term>Optimisation</term><term>Santé publique</term><term>Epuration eau usée</term><term>Dépôt électrolytique</term><term>Industrie métallurgique</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Eau usée</term><term>Métal lourd</term><term>Pollution</term><term>Santé publique</term><term>Industrie métallurgique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Metal finishing plants in the vicinity of the Mazafran River continuously discharge a substantial amount of wastewater. This water disposal contains an appreciable quantity of heavy metals such as nickel, copper, zinc, cobalt, etc. The river, located west of Algiers Bay, ends at the Mediteranean Sea. The techniques used to depress the pollution caused by the effluents of the metal finishing industry are costly and not easily controllable. Electroflotation (EF) serves as an efficient and promising alternative due to its simplicity and cost-effectiveness. In the present work EF was used to reduce the concentrations of copper and nickel found in real wastewater. The effects of the following parameters were examined: current density, pH, heavy metal concentration, supporting electrolyte concentration, and the nature of the electrodes. By optimizing the operation, heavy metal removal reached 98-99%, and maintained final and global concentration to a value lower than the World Health Organization standard, which is 1 mg/L for nickel and copper.</div></front></TEI><affiliations><list><country><li>Algérie</li></country></list><tree><country name="Algérie"><noRegion><name sortKey="Khelifa, A" sort="Khelifa, A" uniqKey="Khelifa A" first="A." last="Khelifa">A. Khelifa</name></noRegion><name sortKey="Moulay, S" sort="Moulay, S" uniqKey="Moulay S" first="S." last="Moulay">S. Moulay</name><name sortKey="Naceur, A W" sort="Naceur, A W" uniqKey="Naceur A" first="A. W." last="Naceur">A. W. Naceur</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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