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Registro Completo |
Biblioteca(s): |
Embrapa Roraima. |
Data corrente: |
28/01/2008 |
Data da última atualização: |
09/03/2012 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
HALFELD-VIEIRA, B. A.; NECHET, K. L. |
Afiliação: |
Bernardo de Almeida Halfed Vieira, CPAF-RR; Kátia de Lima Nechet, CPAF-RR. |
Título: |
Mancha-aquosa da melancia em Roraima. |
Ano de publicação: |
2006 |
Fonte/Imprenta: |
Fitopatologia Brasileira, v. 31, p. 268, 2006. |
Idioma: |
Português |
Palavras-Chave: |
Mancha-aquosa; Roraima. |
Thesagro: |
Melancia. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00407naa a2200157 a 4500 001 1690622 005 2012-03-09 008 2006 bl --- 0-- u #d 100 1 $aHALFELD-VIEIRA, B. A. 245 $aMancha-aquosa da melancia em Roraima. 260 $c2006 650 $aMelancia 653 $aMancha-aquosa 653 $aRoraima 700 1 $aNECHET, K. L. 773 $tFitopatologia Brasileira$gv. 31, p. 268, 2006.
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Embrapa Roraima (CPAF-RR) |
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Registro Completo
Biblioteca(s): |
Embrapa Pecuária Sudeste. |
Data corrente: |
04/10/2010 |
Data da última atualização: |
30/06/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 1 |
Autoria: |
GROMBONI, C. F.; DONATI, G. L; MATOS, W. O.; NEVES, E. F. A.; NOGUEIRA, A. R. de A.; NOBREGA, J. A. |
Afiliação: |
CAIO F. GROMBONI, UFSCar/SÃO CARLOS, SP; GEORGE L. DONATI, UFSCar/SÃO CARLOS, SP; WLADIANA O. MATOS, UFSCar/SÃO CARLOS, SP; EDUARDO F. A. NEVES, UFSCar/SÃO CARLOS, SP; ANA RITA DE ARAUJO NOGUEIRA, CPPSE; JOAQUIM A. NÓBREGA, UFSCar, SÃO CARLOS, SP. |
Título: |
Evaluatin of metabisulfite and a commercial stee wool for removing chromium (VI) from wastewater. |
Ano de publicação: |
2010 |
Fonte/Imprenta: |
Enviromental Chemistry Letter, v. 8, p.73-77, 2010. |
DOI: |
11110.1007/s0311-008-0194-6 |
Idioma: |
Português |
Conteúdo: |
Efficiency of metabisulfite and a commercial steel wool as reducing agents in the removal of Cr(VI) from wastewaters was evaluated. Chromium( VI) was converted to Cr(III), precipitated with NaOH, and removed by filtration. A reduction of more than 1.0 x 10(5) and 4.0 x 10(5) fold in total Cr and the Cr(VI) concentrations, respectively, was observed by employing steel wool masses as low as 0.4420 g to 30-mL solutions of wastewater. Chromium(III) hydroxide obtained after the treatment was recycled and used as marker in cattle nutrition studies. The liquid residue obtained after the treatment was reused as precipitation agent replacing NaOH. |
Palavras-Chave: |
Metabisulfite; Steel wood. |
Thesaurus NAL: |
wastewater treatment. |
Categoria do assunto: |
W Química e Física |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/28784/1/ana2010.pdf
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Marc: |
LEADER 01345naa a2200229 a 4500 001 1863457 005 2023-06-30 008 2010 bl uuuu u00u1 u #d 024 7 $a11110.1007/s0311-008-0194-6$2DOI 100 1 $aGROMBONI, C. F. 245 $aEvaluatin of metabisulfite and a commercial stee wool for removing chromium (VI) from wastewater.$h[electronic resource] 260 $c2010 520 $aEfficiency of metabisulfite and a commercial steel wool as reducing agents in the removal of Cr(VI) from wastewaters was evaluated. Chromium( VI) was converted to Cr(III), precipitated with NaOH, and removed by filtration. A reduction of more than 1.0 x 10(5) and 4.0 x 10(5) fold in total Cr and the Cr(VI) concentrations, respectively, was observed by employing steel wool masses as low as 0.4420 g to 30-mL solutions of wastewater. Chromium(III) hydroxide obtained after the treatment was recycled and used as marker in cattle nutrition studies. The liquid residue obtained after the treatment was reused as precipitation agent replacing NaOH. 650 $awastewater treatment 653 $aMetabisulfite 653 $aSteel wood 700 1 $aDONATI, G. L 700 1 $aMATOS, W. O. 700 1 $aNEVES, E. F. A. 700 1 $aNOGUEIRA, A. R. de A. 700 1 $aNOBREGA, J. A. 773 $tEnviromental Chemistry Letter$gv. 8, p.73-77, 2010.
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