Phenol electrooxidation on Fe-Co3O4 thin film electrodes in alkaline medium
Identifieur interne : 000044 ( PascalFrancis/Corpus ); précédent : 000043; suivant : 000045Phenol electrooxidation on Fe-Co3O4 thin film electrodes in alkaline medium
Auteurs : M. A. M. Cartaxo ; K. Ablad ; J. Douch ; Y. Berghoute ; M. Hamdani ; M. H. Mendonca ; J. M. F. Nogueira ; M. I. S. PereiraSource :
- Chemosphere : (Oxford) [ 0045-6535 ] ; 2012.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
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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Format Inist (serveur)
NO : | PASCAL 12-0407166 INIST |
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ET : | Phenol electrooxidation on Fe-Co3O4 thin film electrodes in alkaline medium |
AU : | CARTAXO (M. A. M.); ABLAD (K.); DOUCH (J.); BERGHOUTE (Y.); HAMDANI (M.); MENDONCA (M. H.); NOGUEIRA (J. M. F.); PEREIRA (M. I. S.) |
AF : | Deportamento de Engenharia Química e do Ambiente, Escola Superior de Tecnologia do Instituto Politécnico de Tomar, Estrada do Serra/2300-313 Tomar/Portugal (1 aut.); Loboratoire de Chimie Physique, Faculté des Sciences, Université Ibn Zohr, B.P. 8106/S Cité Dakhla/Agadir/Maroc (2 aut., 3 aut., 4 aut., 5 aut.); Centro de Ciências Moleculares e Materials, Faculdade de Ciencias da Universidade de Lisboa/Portugal (1 aut., 6 aut., 8 aut.); Centro de Química e Bioquímica, Faculdade de Ciências da Universidade de Lisboa/Portugal (7 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | Chemosphere : (Oxford); ISSN 0045-6535; Coden CMSHAF; Royaume-Uni; Da. 2012; Vol. 86; No. 4; Pp. 341-347; Bibl. 3/4 p. |
LA : | Anglais |
EA : | 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. |
CC : | 001D16A04F; 001D16A05B |
FD : | Phénols; Oxydation; Réaction électrochimique; Oxyde de cobalt; Fer; Pollution eau; Décontamination; Eau usée industrielle; Epuration eau usée; Epuration physicochimique; Matériau électrode; Electrode couche mince; Electrolyse; Traitement électrochimique |
FG : | Composé organique |
ED : | Phenols; Oxidation; Electrochemical reaction; Cobalt oxide; Iron; Water pollution; Decontamination; Industrial waste water; Waste water purification; Physicochemical purification; Electrode material; Thin layer electrode; Electrolysis; Electrochemical treatment |
EG : | Organic compounds |
SD : | Fenoles; Oxidación; Reacción electroquímica; Cobalto óxido; Hierro; Contaminación agua; Descontaminación; Agua servida industrial; Depuración aguas servidas; Depuración fisicoquímica; Material electrodo; Electrodo capa fina; Electrólisis; Tratamiento electroquímico |
LO : | INIST-15565.354000508852020040 |
ID : | 12-0407166 |
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Pascal:12-0407166Le document en format XML
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<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>
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<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>
<server><NO>PASCAL 12-0407166 INIST</NO>
<ET>Phenol electrooxidation on Fe-Co3O4 thin film electrodes in alkaline medium</ET>
<AU>CARTAXO (M. A. M.); ABLAD (K.); DOUCH (J.); BERGHOUTE (Y.); HAMDANI (M.); MENDONCA (M. H.); NOGUEIRA (J. M. F.); PEREIRA (M. I. S.)</AU>
<AF>Deportamento de Engenharia Química e do Ambiente, Escola Superior de Tecnologia do Instituto Politécnico de Tomar, Estrada do Serra/2300-313 Tomar/Portugal (1 aut.); Loboratoire de Chimie Physique, Faculté des Sciences, Université Ibn Zohr, B.P. 8106/S Cité Dakhla/Agadir/Maroc (2 aut., 3 aut., 4 aut., 5 aut.); Centro de Ciências Moleculares e Materials, Faculdade de Ciencias da Universidade de Lisboa/Portugal (1 aut., 6 aut., 8 aut.); Centro de Química e Bioquímica, Faculdade de Ciências da Universidade de Lisboa/Portugal (7 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Chemosphere : (Oxford); ISSN 0045-6535; Coden CMSHAF; Royaume-Uni; Da. 2012; Vol. 86; No. 4; Pp. 341-347; Bibl. 3/4 p.</SO>
<LA>Anglais</LA>
<EA>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.</EA>
<CC>001D16A04F; 001D16A05B</CC>
<FD>Phénols; Oxydation; Réaction électrochimique; Oxyde de cobalt; Fer; Pollution eau; Décontamination; Eau usée industrielle; Epuration eau usée; Epuration physicochimique; Matériau électrode; Electrode couche mince; Electrolyse; Traitement électrochimique</FD>
<FG>Composé organique</FG>
<ED>Phenols; Oxidation; Electrochemical reaction; Cobalt oxide; Iron; Water pollution; Decontamination; Industrial waste water; Waste water purification; Physicochemical purification; Electrode material; Thin layer electrode; Electrolysis; Electrochemical treatment</ED>
<EG>Organic compounds</EG>
<SD>Fenoles; Oxidación; Reacción electroquímica; Cobalto óxido; Hierro; Contaminación agua; Descontaminación; Agua servida industrial; Depuración aguas servidas; Depuración fisicoquímica; Material electrodo; Electrodo capa fina; Electrólisis; Tratamiento electroquímico</SD>
<LO>INIST-15565.354000508852020040</LO>
<ID>12-0407166</ID>
</server>
</inist>
</record>
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