Phenol electrooxidation on Fe-Co3O4 thin film electrodes in alkaline medium
Identifieur interne : 000251 ( PascalFrancis/Curation ); précédent : 000250; suivant : 000252Phenol electrooxidation on Fe-Co3O4 thin film electrodes in alkaline medium
Auteurs : M. A. M. Cartaxo [Portugal] ; K. Ablad [Maroc] ; J. Douch [Maroc] ; Y. Berghoute [Maroc] ; M. Hamdani [Maroc] ; M. H. Mendonca [Portugal] ; J. M. F. Nogueira [Portugal] ; M. I. S. Pereira [Portugal]Source :
- Chemosphere : (Oxford) [ 0045-6535 ] ; 2012.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Fer.
English descriptors
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Abstract
Fe-CO3O4 thin film with different amounts of Fe have been used for the electro-oxidation of phenol in alkaline medium at room temperature. The electrodes were prepared by coating stainless steel supports with successive layers of the oxides, obtained by thermal decomposition at 673 K. The electrolysis was carried out at constant potential and the phenol disappearance, during the electrolysis, was monitored by UV-Vis absorbance measurements between 250 and 500 nm. After 3 h of electrolysis, the intermediates were identified by comparing the HPLC data and UV-Vis spectra to those from pure standards. The results indicate that the same oxidation products are formed on the different prepared electrodes, namely the decomposition products of phenol such as benzoquinone, hydroquinone and cathecol in basic medium. Simulated results show clearly the decrease of the amount of phenolic species with the electrolysis time. An enhancement of the phenol removal is observed with the presence of iron in the oxide. Under the operating conditions, around 30% of the initial phenol has been removed at ca. 3 h and the complete degradation is obtained after 54 h of electrolysis, when Fe-Co3O4 thin film with 10% of Fe is used as anode.
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Ablad</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Loboratoire de Chimie Physique, Faculté des Sciences, Université Ibn Zohr, B.P. 8106/S Cité Dakhla</s1><s2>Agadir</s2><s3>MAR</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Maroc</country></affiliation></author><author><name sortKey="Douch, J" sort="Douch, J" uniqKey="Douch J" first="J." last="Douch">J. Douch</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Loboratoire de Chimie Physique, Faculté des Sciences, Université Ibn Zohr, B.P. 8106/S Cité Dakhla</s1><s2>Agadir</s2><s3>MAR</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Maroc</country></affiliation></author><author><name sortKey="Berghoute, Y" sort="Berghoute, Y" uniqKey="Berghoute Y" first="Y." last="Berghoute">Y. 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Mendonca</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Centro de Ciências Moleculares e Materials, Faculdade de Ciencias da Universidade de Lisboa</s1><s3>PRT</s3><sZ>1 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>Portugal</country></affiliation></author><author><name sortKey="Nogueira, J M F" sort="Nogueira, J M F" uniqKey="Nogueira J" first="J. M. F." last="Nogueira">J. M. F. Nogueira</name><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Centro de Química e Bioquímica, Faculdade de Ciências da Universidade de Lisboa</s1><s3>PRT</s3><sZ>7 aut.</sZ></inist:fA14><country>Portugal</country></affiliation></author><author><name sortKey="Pereira, M I S" sort="Pereira, M I S" uniqKey="Pereira M" first="M. I. S." last="Pereira">M. I. S. Pereira</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Centro de Ciências Moleculares e Materials, Faculdade de Ciencias da Universidade de Lisboa</s1><s3>PRT</s3><sZ>1 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>Portugal</country></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">12-0407166</idno><date when="2012">2012</date><idno type="stanalyst">PASCAL 12-0407166 INIST</idno><idno type="RBID">Pascal:12-0407166</idno><idno type="wicri:Area/PascalFrancis/Corpus">000044</idno><idno type="wicri:Area/PascalFrancis/Curation">000251</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Phenol electrooxidation on Fe-Co3O4 thin film electrodes in alkaline medium</title><author><name sortKey="Cartaxo, M A M" sort="Cartaxo, M A M" uniqKey="Cartaxo M" first="M. A. M." last="Cartaxo">M. A. M. Cartaxo</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Deportamento de Engenharia Química e do Ambiente, Escola Superior de Tecnologia do Instituto Politécnico de Tomar, Estrada do Serra</s1><s2>2300-313 Tomar</s2><s3>PRT</s3><sZ>1 aut.</sZ></inist:fA14><country>Portugal</country></affiliation><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Centro de Ciências Moleculares e Materials, Faculdade de Ciencias da Universidade de Lisboa</s1><s3>PRT</s3><sZ>1 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>Portugal</country></affiliation></author><author><name sortKey="Ablad, K" sort="Ablad, K" uniqKey="Ablad K" first="K." last="Ablad">K. Ablad</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Loboratoire de Chimie Physique, Faculté des Sciences, Université Ibn Zohr, B.P. 8106/S Cité Dakhla</s1><s2>Agadir</s2><s3>MAR</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Maroc</country></affiliation></author><author><name sortKey="Douch, J" sort="Douch, J" uniqKey="Douch J" first="J." last="Douch">J. Douch</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Loboratoire de Chimie Physique, Faculté des Sciences, Université Ibn Zohr, B.P. 8106/S Cité Dakhla</s1><s2>Agadir</s2><s3>MAR</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Maroc</country></affiliation></author><author><name sortKey="Berghoute, Y" sort="Berghoute, Y" uniqKey="Berghoute Y" first="Y." last="Berghoute">Y. Berghoute</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Loboratoire de Chimie Physique, Faculté des Sciences, Université Ibn Zohr, B.P. 8106/S Cité Dakhla</s1><s2>Agadir</s2><s3>MAR</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Maroc</country></affiliation></author><author><name sortKey="Hamdani, M" sort="Hamdani, M" uniqKey="Hamdani M" first="M." last="Hamdani">M. Hamdani</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Loboratoire de Chimie Physique, Faculté des Sciences, Université Ibn Zohr, B.P. 8106/S Cité Dakhla</s1><s2>Agadir</s2><s3>MAR</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Maroc</country></affiliation></author><author><name sortKey="Mendonca, M H" sort="Mendonca, M H" uniqKey="Mendonca M" first="M. H." last="Mendonca">M. H. Mendonca</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Centro de Ciências Moleculares e Materials, Faculdade de Ciencias da Universidade de Lisboa</s1><s3>PRT</s3><sZ>1 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>Portugal</country></affiliation></author><author><name sortKey="Nogueira, J M F" sort="Nogueira, J M F" uniqKey="Nogueira J" first="J. M. F." last="Nogueira">J. M. F. Nogueira</name><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Centro de Química e Bioquímica, Faculdade de Ciências da Universidade de Lisboa</s1><s3>PRT</s3><sZ>7 aut.</sZ></inist:fA14><country>Portugal</country></affiliation></author><author><name sortKey="Pereira, M I S" sort="Pereira, M I S" uniqKey="Pereira M" first="M. I. S." last="Pereira">M. I. S. Pereira</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Centro de Ciências Moleculares e Materials, Faculdade de Ciencias da Universidade de Lisboa</s1><s3>PRT</s3><sZ>1 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>Portugal</country></affiliation></author></analytic><series><title level="j" type="main">Chemosphere : (Oxford)</title><title level="j" type="abbreviated">Chemosphere : (Oxf.)</title><idno type="ISSN">0045-6535</idno><imprint><date when="2012">2012</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Chemosphere : (Oxford)</title><title level="j" type="abbreviated">Chemosphere : (Oxf.)</title><idno type="ISSN">0045-6535</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cobalt oxide</term><term>Decontamination</term><term>Electrochemical reaction</term><term>Electrochemical treatment</term><term>Electrode material</term><term>Electrolysis</term><term>Industrial waste water</term><term>Iron</term><term>Oxidation</term><term>Phenols</term><term>Physicochemical purification</term><term>Thin layer electrode</term><term>Waste water purification</term><term>Water pollution</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Phénols</term><term>Oxydation</term><term>Réaction électrochimique</term><term>Oxyde de cobalt</term><term>Fer</term><term>Pollution eau</term><term>Décontamination</term><term>Eau usée industrielle</term><term>Epuration eau usée</term><term>Epuration physicochimique</term><term>Matériau électrode</term><term>Electrode couche mince</term><term>Electrolyse</term><term>Traitement électrochimique</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Fer</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Fe-CO3O4 thin film with different amounts of Fe have been used for the electro-oxidation of phenol in alkaline medium at room temperature. The electrodes were prepared by coating stainless steel supports with successive layers of the oxides, obtained by thermal decomposition at 673 K. The electrolysis was carried out at constant potential and the phenol disappearance, during the electrolysis, was monitored by UV-Vis absorbance measurements between 250 and 500 nm. After 3 h of electrolysis, the intermediates were identified by comparing the HPLC data and UV-Vis spectra to those from pure standards. The results indicate that the same oxidation products are formed on the different prepared electrodes, namely the decomposition products of phenol such as benzoquinone, hydroquinone and cathecol in basic medium. Simulated results show clearly the decrease of the amount of phenolic species with the electrolysis time. An enhancement of the phenol removal is observed with the presence of iron in the oxide. Under the operating conditions, around 30% of the initial phenol has been removed at ca. 3 h and the complete degradation is obtained after 54 h of electrolysis, when Fe-Co<sub>3</sub>O<sub>4</sub> thin film with 10% of Fe is used as anode.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0045-6535</s0></fA01><fA02 i1="01"><s0>CMSHAF</s0></fA02><fA03 i2="1"><s0>Chemosphere : (Oxf.)</s0></fA03><fA05><s2>86</s2></fA05><fA06><s2>4</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Phenol electrooxidation on Fe-Co3O4 thin film electrodes in alkaline medium</s1></fA08><fA11 i1="01" i2="1"><s1>CARTAXO (M. A. M.)</s1></fA11><fA11 i1="02" i2="1"><s1>ABLAD (K.)</s1></fA11><fA11 i1="03" i2="1"><s1>DOUCH (J.)</s1></fA11><fA11 i1="04" i2="1"><s1>BERGHOUTE (Y.)</s1></fA11><fA11 i1="05" i2="1"><s1>HAMDANI (M.)</s1></fA11><fA11 i1="06" i2="1"><s1>MENDONCA (M. H.)</s1></fA11><fA11 i1="07" i2="1"><s1>NOGUEIRA (J. M. F.)</s1></fA11><fA11 i1="08" i2="1"><s1>PEREIRA (M. I. S.)</s1></fA11><fA14 i1="01"><s1>Deportamento de Engenharia Química e do Ambiente, Escola Superior de Tecnologia do Instituto Politécnico de Tomar, Estrada do Serra</s1><s2>2300-313 Tomar</s2><s3>PRT</s3><sZ>1 aut.</sZ></fA14><fA14 i1="02"><s1>Loboratoire de Chimie Physique, Faculté des Sciences, Université Ibn Zohr, B.P. 8106/S Cité Dakhla</s1><s2>Agadir</s2><s3>MAR</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></fA14><fA14 i1="03"><s1>Centro de Ciências Moleculares e Materials, Faculdade de Ciencias da Universidade de Lisboa</s1><s3>PRT</s3><sZ>1 aut.</sZ><sZ>6 aut.</sZ><sZ>8 aut.</sZ></fA14><fA14 i1="04"><s1>Centro de Química e Bioquímica, Faculdade de Ciências da Universidade de Lisboa</s1><s3>PRT</s3><sZ>7 aut.</sZ></fA14><fA20><s1>341-347</s1></fA20><fA21><s1>2012</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>15565</s2><s5>354000508852020040</s5></fA43><fA44><s0>0000</s0><s1>© 2012 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>3/4 p.</s0></fA45><fA47 i1="01" i2="1"><s0>12-0407166</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Chemosphere : (Oxford)</s0></fA64><fA66 i1="01"><s0>GBR</s0></fA66><fC01 i1="01" l="ENG"><s0>Fe-CO3O4 thin film with different amounts of Fe have been used for the electro-oxidation of phenol in alkaline medium at room temperature. The electrodes were prepared by coating stainless steel supports with successive layers of the oxides, obtained by thermal decomposition at 673 K. The electrolysis was carried out at constant potential and the phenol disappearance, during the electrolysis, was monitored by UV-Vis absorbance measurements between 250 and 500 nm. After 3 h of electrolysis, the intermediates were identified by comparing the HPLC data and UV-Vis spectra to those from pure standards. The results indicate that the same oxidation products are formed on the different prepared electrodes, namely the decomposition products of phenol such as benzoquinone, hydroquinone and cathecol in basic medium. Simulated results show clearly the decrease of the amount of phenolic species with the electrolysis time. An enhancement of the phenol removal is observed with the presence of iron in the oxide. Under the operating conditions, around 30% of the initial phenol has been removed at ca. 3 h and the complete degradation is obtained after 54 h of electrolysis, when Fe-Co<sub>3</sub>O<sub>4</sub> thin film with 10% of Fe is used as anode.</s0></fC01><fC02 i1="01" i2="X"><s0>001D16A04F</s0></fC02><fC02 i1="02" i2="X"><s0>001D16A05B</s0></fC02><fC03 i1="01" i2="X" l="FRE"><s0>Phénols</s0><s2>FX</s2><s5>01</s5></fC03><fC03 i1="01" i2="X" l="ENG"><s0>Phenols</s0><s2>FX</s2><s5>01</s5></fC03><fC03 i1="01" i2="X" l="SPA"><s0>Fenoles</s0><s2>FX</s2><s5>01</s5></fC03><fC03 i1="02" i2="X" l="FRE"><s0>Oxydation</s0><s5>02</s5></fC03><fC03 i1="02" i2="X" l="ENG"><s0>Oxidation</s0><s5>02</s5></fC03><fC03 i1="02" i2="X" l="SPA"><s0>Oxidación</s0><s5>02</s5></fC03><fC03 i1="03" i2="X" l="FRE"><s0>Réaction électrochimique</s0><s5>03</s5></fC03><fC03 i1="03" i2="X" l="ENG"><s0>Electrochemical reaction</s0><s5>03</s5></fC03><fC03 i1="03" i2="X" l="SPA"><s0>Reacción electroquímica</s0><s5>03</s5></fC03><fC03 i1="04" i2="X" l="FRE"><s0>Oxyde de cobalt</s0><s5>04</s5></fC03><fC03 i1="04" i2="X" l="ENG"><s0>Cobalt oxide</s0><s5>04</s5></fC03><fC03 i1="04" i2="X" l="SPA"><s0>Cobalto óxido</s0><s5>04</s5></fC03><fC03 i1="05" i2="X" l="FRE"><s0>Fer</s0><s2>NC</s2><s5>05</s5></fC03><fC03 i1="05" i2="X" l="ENG"><s0>Iron</s0><s2>NC</s2><s5>05</s5></fC03><fC03 i1="05" i2="X" l="SPA"><s0>Hierro</s0><s2>NC</s2><s5>05</s5></fC03><fC03 i1="06" i2="X" l="FRE"><s0>Pollution eau</s0><s5>06</s5></fC03><fC03 i1="06" i2="X" l="ENG"><s0>Water pollution</s0><s5>06</s5></fC03><fC03 i1="06" i2="X" l="SPA"><s0>Contaminación agua</s0><s5>06</s5></fC03><fC03 i1="07" i2="X" l="FRE"><s0>Décontamination</s0><s5>07</s5></fC03><fC03 i1="07" i2="X" l="ENG"><s0>Decontamination</s0><s5>07</s5></fC03><fC03 i1="07" i2="X" l="SPA"><s0>Descontaminación</s0><s5>07</s5></fC03><fC03 i1="08" i2="X" l="FRE"><s0>Eau usée industrielle</s0><s5>08</s5></fC03><fC03 i1="08" i2="X" l="ENG"><s0>Industrial waste water</s0><s5>08</s5></fC03><fC03 i1="08" i2="X" l="SPA"><s0>Agua servida industrial</s0><s5>08</s5></fC03><fC03 i1="09" i2="X" l="FRE"><s0>Epuration eau usée</s0><s5>09</s5></fC03><fC03 i1="09" i2="X" l="ENG"><s0>Waste water purification</s0><s5>09</s5></fC03><fC03 i1="09" i2="X" l="SPA"><s0>Depuración aguas servidas</s0><s5>09</s5></fC03><fC03 i1="10" i2="X" l="FRE"><s0>Epuration physicochimique</s0><s5>10</s5></fC03><fC03 i1="10" i2="X" l="ENG"><s0>Physicochemical purification</s0><s5>10</s5></fC03><fC03 i1="10" i2="X" l="SPA"><s0>Depuración fisicoquímica</s0><s5>10</s5></fC03><fC03 i1="11" i2="X" l="FRE"><s0>Matériau électrode</s0><s5>11</s5></fC03><fC03 i1="11" i2="X" l="ENG"><s0>Electrode material</s0><s5>11</s5></fC03><fC03 i1="11" i2="X" l="SPA"><s0>Material electrodo</s0><s5>11</s5></fC03><fC03 i1="12" i2="X" l="FRE"><s0>Electrode couche mince</s0><s5>13</s5></fC03><fC03 i1="12" i2="X" l="ENG"><s0>Thin layer electrode</s0><s5>13</s5></fC03><fC03 i1="12" i2="X" l="SPA"><s0>Electrodo capa fina</s0><s5>13</s5></fC03><fC03 i1="13" i2="X" l="FRE"><s0>Electrolyse</s0><s5>14</s5></fC03><fC03 i1="13" i2="X" l="ENG"><s0>Electrolysis</s0><s5>14</s5></fC03><fC03 i1="13" i2="X" l="SPA"><s0>Electrólisis</s0><s5>14</s5></fC03><fC03 i1="14" i2="X" l="FRE"><s0>Traitement électrochimique</s0><s5>35</s5></fC03><fC03 i1="14" i2="X" l="ENG"><s0>Electrochemical treatment</s0><s5>35</s5></fC03><fC03 i1="14" i2="X" l="SPA"><s0>Tratamiento electroquímico</s0><s5>35</s5></fC03><fC07 i1="01" i2="X" l="FRE"><s0>Composé organique</s0><s2>NA</s2><s5>43</s5></fC07><fC07 i1="01" i2="X" l="ENG"><s0>Organic compounds</s0><s2>NA</s2><s5>43</s5></fC07><fC07 i1="01" i2="X" l="SPA"><s0>Compuesto orgánico</s0><s2>NA</s2><s5>43</s5></fC07><fN21><s1>317</s1></fN21></pA></standard></inist></record>Pour manipuler ce document sous Unix (Dilib)
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|texte= Phenol electrooxidation on Fe-Co3O4 thin film electrodes in alkaline medium
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| This area was generated with Dilib version V0.6.32. |  |