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Registros recuperados : 3 | |
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Registro Completo
Biblioteca(s): |
Embrapa Pesca e Aquicultura. |
Data corrente: |
18/03/2015 |
Data da última atualização: |
15/05/2015 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 2 |
Autoria: |
LUIZ, D. de B.; ANDERSEN, S. L. F.; BERGER, C.; JOSÉ, H. J.; MOREIRA, R. de F. P. M. |
Afiliação: |
DANIELLE DE BEM LUIZ, CNPASA; SILVIA LAYARA FLORIANI ANDERSEN, UNIVERSIDADE FEDERAL DE SANTA CATARINA; CAROLINA BERGER, UNIVERSIDADE FEDERAL DE SANTA CATARINA; HUMBERTO JORGE JOSÉ, UNIVERSIDADE FEDERAL DE SANTA CATARINA; REGINA DE FÁTIMA PERALTA MUNIZ MOREIRA, UNIVERSIDADE FEDERAL DE SANTA CATARINA. |
Título: |
Photocatalytic reduction of nitrate ions in water over metal-modified TiO2. |
Ano de publicação: |
2012 |
Fonte/Imprenta: |
Journal of Photochemistry and Photobiology A: Chemistry, v. 246, p. 36-44, 2012. |
DOI: |
10.1016/j.jphotochem.2012.07.011 |
Idioma: |
Inglês |
Conteúdo: |
TiO2 and TiO2 doped with Zn2+, Cu2+ and Cr3+ were used as photocatalysts to reduce nitrate and to oxidize formic acid. The metals were added to the TiO2 support by photodeposition and this method did not affect the form of the original crystalline semiconductor (100% anatase). The data obtained in the structural characterization and in the nitrate photoreduction experiments showed that 1.0 g L−1 4.4% Zn?TiO2 photocatalyst had the highest photocatalytic activity and selectivity toward nitrogen. The selectivity and conversion were higher than 95 and 91%, respectively, using a CHOOH:nitrate molar ratio of 16:1, which is twice the theoretical demand in the absence of dissolved oxygen. |
Thesagro: |
Metal; Nitrato. |
Thesaurus NAL: |
Formic acid; Metals; Nitrates; Photolysis. |
Categoria do assunto: |
W Química e Física |
Marc: |
LEADER 01432naa a2200253 a 4500 001 2011683 005 2015-05-15 008 2012 bl uuuu u00u1 u #d 024 7 $a10.1016/j.jphotochem.2012.07.011$2DOI 100 1 $aLUIZ, D. de B. 245 $aPhotocatalytic reduction of nitrate ions in water over metal-modified TiO2.$h[electronic resource] 260 $c2012 520 $aTiO2 and TiO2 doped with Zn2+, Cu2+ and Cr3+ were used as photocatalysts to reduce nitrate and to oxidize formic acid. The metals were added to the TiO2 support by photodeposition and this method did not affect the form of the original crystalline semiconductor (100% anatase). The data obtained in the structural characterization and in the nitrate photoreduction experiments showed that 1.0 g L−1 4.4% Zn?TiO2 photocatalyst had the highest photocatalytic activity and selectivity toward nitrogen. The selectivity and conversion were higher than 95 and 91%, respectively, using a CHOOH:nitrate molar ratio of 16:1, which is twice the theoretical demand in the absence of dissolved oxygen. 650 $aFormic acid 650 $aMetals 650 $aNitrates 650 $aPhotolysis 650 $aMetal 650 $aNitrato 700 1 $aANDERSEN, S. L. F. 700 1 $aBERGER, C. 700 1 $aJOSÉ, H. J. 700 1 $aMOREIRA, R. de F. P. M. 773 $tJournal of Photochemistry and Photobiology A: Chemistry$gv. 246, p. 36-44, 2012.
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