Geração sonoquímica de oxidantes em solução aquosa saturada de tetracloreto de carbono
Autor(a) principal: | |
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Data de Publicação: | 2002 |
Outros Autores: | |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Repositório Institucional da UFBA |
Texto Completo: | http://www.repositorio.ufba.br/ri/handle/ri/4843 |
Resumo: | p. 558-562. |
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Borges, Sivanildo da SilvaKorn, MauroBorges, Sivanildo da SilvaKorn, Mauro2011-12-14T10:57:17Z2011-12-14T10:57:17Z2002-070100-4042http://www.repositorio.ufba.br/ri/handle/ri/4843v. 25, n. 4.p. 558-562.SONOCHEMICAL PRODUCTION OF OXIDIZING SPECIES IN WATER SOLUTION SATURATED WITH CARBON TETRACHLORIDE. In this work the CCl4 degradation in aqueous solution by sonication with 40 kHz commercial ultrasonic bath was investigated. Sonochemical degradation of CCl4 occur by the cleavage of C-Cl bond into the cavitation bubbles. Oxidation reactions and the pH decreasing in the bulk solution during sonication were attributed to chlorine radicals produced by CCl4 sonolysis, leading to increase the chloride concentration. The formation of oxidizing agents was evaluated employing I- and Fe2+ ion solutions, converted to I2 and HIO, and Fe3+, respectively. The amount of chloride and hydronium ions produced after 3 min of irradiation was 11.52 and 12.19 mmol, respectively, suggesting that the same reaction was involved to produce these ions. Fe2+ oxidation and the pH variation were monitored to estimate chlorine radical formation rate in the presence (0.107 mmol s-1) and absence (0.092 mmol s-1) of metallic ion during the first minute of sonication.Submitted by JURANDI DE SOUZA SILVA (jssufba@hotmail.com) on 2011-12-14T10:57:17Z No. of bitstreams: 1 10529.pdf: 153003 bytes, checksum: 89717f3673377df100760ddf3db87a9f (MD5)Made available in DSpace on 2011-12-14T10:57:17Z (GMT). No. of bitstreams: 1 10529.pdf: 153003 bytes, checksum: 89717f3673377df100760ddf3db87a9f (MD5) Previous issue date: 2002-07São Paulohttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422002000400009&lng=en&nrm=isoreponame:Repositório Institucional da UFBAinstname:Universidade Federal da Bahia (UFBA)instacron:UFBASonochemical reactionsOxidizing species generationCarbon tetrachloride sonolysisGeração sonoquímica de oxidantes em solução aquosa saturada de tetracloreto de carbonoQuímica Novainfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleporinfo:eu-repo/semantics/openAccessORIGINAL10529.pdf10529.pdfapplication/pdf153003https://repositorio.ufba.br/bitstream/ri/4843/1/10529.pdf89717f3673377df100760ddf3db87a9fMD51LICENSElicense.txtlicense.txttext/plain1809https://repositorio.ufba.br/bitstream/ri/4843/2/license.txt8bb3e3eb871f5854a9ec419f68651b60MD52TEXT10529.pdf.txt10529.pdf.txtExtracted texttext/plain26934https://repositorio.ufba.br/bitstream/ri/4843/3/10529.pdf.txt0ce8ee7218017df9be2ef5538121d031MD53ri/48432022-08-08 13:17:39.197oai:repositorio.ufba.br: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ório InstitucionalPUBhttp://192.188.11.11:8080/oai/requestopendoar:19322022-08-08T16:17:39Repositório Institucional da UFBA - Universidade Federal da Bahia (UFBA)false |
dc.title.pt_BR.fl_str_mv |
Geração sonoquímica de oxidantes em solução aquosa saturada de tetracloreto de carbono |
dc.title.alternative.pt_BR.fl_str_mv |
Química Nova |
title |
Geração sonoquímica de oxidantes em solução aquosa saturada de tetracloreto de carbono |
spellingShingle |
Geração sonoquímica de oxidantes em solução aquosa saturada de tetracloreto de carbono Borges, Sivanildo da Silva Sonochemical reactions Oxidizing species generation Carbon tetrachloride sonolysis |
title_short |
Geração sonoquímica de oxidantes em solução aquosa saturada de tetracloreto de carbono |
title_full |
Geração sonoquímica de oxidantes em solução aquosa saturada de tetracloreto de carbono |
title_fullStr |
Geração sonoquímica de oxidantes em solução aquosa saturada de tetracloreto de carbono |
title_full_unstemmed |
Geração sonoquímica de oxidantes em solução aquosa saturada de tetracloreto de carbono |
title_sort |
Geração sonoquímica de oxidantes em solução aquosa saturada de tetracloreto de carbono |
author |
Borges, Sivanildo da Silva |
author_facet |
Borges, Sivanildo da Silva Korn, Mauro |
author_role |
author |
author2 |
Korn, Mauro |
author2_role |
author |
dc.contributor.author.fl_str_mv |
Borges, Sivanildo da Silva Korn, Mauro Borges, Sivanildo da Silva Korn, Mauro |
dc.subject.por.fl_str_mv |
Sonochemical reactions Oxidizing species generation Carbon tetrachloride sonolysis |
topic |
Sonochemical reactions Oxidizing species generation Carbon tetrachloride sonolysis |
description |
p. 558-562. |
publishDate |
2002 |
dc.date.issued.fl_str_mv |
2002-07 |
dc.date.accessioned.fl_str_mv |
2011-12-14T10:57:17Z |
dc.date.available.fl_str_mv |
2011-12-14T10:57:17Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://www.repositorio.ufba.br/ri/handle/ri/4843 |
dc.identifier.issn.none.fl_str_mv |
0100-4042 |
dc.identifier.number.pt_BR.fl_str_mv |
v. 25, n. 4. |
identifier_str_mv |
0100-4042 v. 25, n. 4. |
url |
http://www.repositorio.ufba.br/ri/handle/ri/4843 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
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openAccess |
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http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422002000400009&lng=en&nrm=iso |
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reponame:Repositório Institucional da UFBA instname:Universidade Federal da Bahia (UFBA) instacron:UFBA |
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Universidade Federal da Bahia (UFBA) |
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Repositório Institucional da UFBA |
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