Photodegradation study of TiO2 and ZnO in suspension using miniaturized tests
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Matéria (Rio de Janeiro. Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1517-70762019000400302 |
Resumo: | ABSTRACT Miniaturization has been a trend in the instrumentation of chemical analyzes. The interest in miniaturization stems from the perceived benefits of faster, easier, less expensive and less wasteful analyzes than the tradition analyses. Thus, this work proposes a miniaturization of photocatalytic tests using a microplate reader for the analysis of several results, using only microliters of solution. The present work investigates the heterogeneous photocatalysis of the eosin yellow, acid yellow 73 and basic yellow 2 dyes, in the presence of zinc oxide (ZnO) and titanium dioxide (TiO2) catalysts, under irradiation in the visible light and ultraviolet light. Dye degradation was evaluated using a microplate reader (Elisa Polaris®), a photometric device that performs colorimetric readings in the 0-3 absorbance (ABS) range at wavelengths of 405, 450, 492 and 630 nm. The kinetic study was performed using the Langmuir-Hinshelwood law. It was verified that the degradation rates were higher than 90% over a period of 120 minutes for all the studied systems, especially the system composed of acid yellow dye 73 and the ZnO catalyst, which reached a degradation of 96.23% in 120 minutes. |
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Photodegradation study of TiO2 and ZnO in suspension using miniaturized testsheterogeneous photocatalysiskinetic studyminiaturized assaysGrindingInconel 718MQL techniqueDimensional DeviationIT Tolerance GradeABSTRACT Miniaturization has been a trend in the instrumentation of chemical analyzes. The interest in miniaturization stems from the perceived benefits of faster, easier, less expensive and less wasteful analyzes than the tradition analyses. Thus, this work proposes a miniaturization of photocatalytic tests using a microplate reader for the analysis of several results, using only microliters of solution. The present work investigates the heterogeneous photocatalysis of the eosin yellow, acid yellow 73 and basic yellow 2 dyes, in the presence of zinc oxide (ZnO) and titanium dioxide (TiO2) catalysts, under irradiation in the visible light and ultraviolet light. Dye degradation was evaluated using a microplate reader (Elisa Polaris®), a photometric device that performs colorimetric readings in the 0-3 absorbance (ABS) range at wavelengths of 405, 450, 492 and 630 nm. The kinetic study was performed using the Langmuir-Hinshelwood law. It was verified that the degradation rates were higher than 90% over a period of 120 minutes for all the studied systems, especially the system composed of acid yellow dye 73 and the ZnO catalyst, which reached a degradation of 96.23% in 120 minutes.Laboratório de Hidrogênio, Coppe - Universidade Federal do Rio de Janeiroem cooperação com a Associação Brasileira do Hidrogênio, ABH22019-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1517-70762019000400302Matéria (Rio de Janeiro) v.24 n.4 2019reponame:Matéria (Rio de Janeiro. Online)instname:Matéria (Rio de Janeiro. Online)instacron:RLAM10.1590/s1517-707620190004.0807info:eu-repo/semantics/openAccessCambrussi,Anallyne Nayara Carvalho OliveiraMorais,Alan Ícaro SousaNeris,Alex de MeirelesOsajima,Josy AnteveliSilva Filho,Edson Cavalcanti daRibeiro,Alessandra Bragaeng2019-11-21T00:00:00Zoai:scielo:S1517-70762019000400302Revistahttp://www.materia.coppe.ufrj.br/https://old.scielo.br/oai/scielo-oai.php||materia@labh2.coppe.ufrj.br1517-70761517-7076opendoar:2019-11-21T00:00Matéria (Rio de Janeiro. Online) - Matéria (Rio de Janeiro. Online)false |
dc.title.none.fl_str_mv |
Photodegradation study of TiO2 and ZnO in suspension using miniaturized tests |
title |
Photodegradation study of TiO2 and ZnO in suspension using miniaturized tests |
spellingShingle |
Photodegradation study of TiO2 and ZnO in suspension using miniaturized tests Cambrussi,Anallyne Nayara Carvalho Oliveira heterogeneous photocatalysis kinetic study miniaturized assays Grinding Inconel 718 MQL technique Dimensional Deviation IT Tolerance Grade |
title_short |
Photodegradation study of TiO2 and ZnO in suspension using miniaturized tests |
title_full |
Photodegradation study of TiO2 and ZnO in suspension using miniaturized tests |
title_fullStr |
Photodegradation study of TiO2 and ZnO in suspension using miniaturized tests |
title_full_unstemmed |
Photodegradation study of TiO2 and ZnO in suspension using miniaturized tests |
title_sort |
Photodegradation study of TiO2 and ZnO in suspension using miniaturized tests |
author |
Cambrussi,Anallyne Nayara Carvalho Oliveira |
author_facet |
Cambrussi,Anallyne Nayara Carvalho Oliveira Morais,Alan Ícaro Sousa Neris,Alex de Meireles Osajima,Josy Anteveli Silva Filho,Edson Cavalcanti da Ribeiro,Alessandra Braga |
author_role |
author |
author2 |
Morais,Alan Ícaro Sousa Neris,Alex de Meireles Osajima,Josy Anteveli Silva Filho,Edson Cavalcanti da Ribeiro,Alessandra Braga |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Cambrussi,Anallyne Nayara Carvalho Oliveira Morais,Alan Ícaro Sousa Neris,Alex de Meireles Osajima,Josy Anteveli Silva Filho,Edson Cavalcanti da Ribeiro,Alessandra Braga |
dc.subject.por.fl_str_mv |
heterogeneous photocatalysis kinetic study miniaturized assays Grinding Inconel 718 MQL technique Dimensional Deviation IT Tolerance Grade |
topic |
heterogeneous photocatalysis kinetic study miniaturized assays Grinding Inconel 718 MQL technique Dimensional Deviation IT Tolerance Grade |
description |
ABSTRACT Miniaturization has been a trend in the instrumentation of chemical analyzes. The interest in miniaturization stems from the perceived benefits of faster, easier, less expensive and less wasteful analyzes than the tradition analyses. Thus, this work proposes a miniaturization of photocatalytic tests using a microplate reader for the analysis of several results, using only microliters of solution. The present work investigates the heterogeneous photocatalysis of the eosin yellow, acid yellow 73 and basic yellow 2 dyes, in the presence of zinc oxide (ZnO) and titanium dioxide (TiO2) catalysts, under irradiation in the visible light and ultraviolet light. Dye degradation was evaluated using a microplate reader (Elisa Polaris®), a photometric device that performs colorimetric readings in the 0-3 absorbance (ABS) range at wavelengths of 405, 450, 492 and 630 nm. The kinetic study was performed using the Langmuir-Hinshelwood law. It was verified that the degradation rates were higher than 90% over a period of 120 minutes for all the studied systems, especially the system composed of acid yellow dye 73 and the ZnO catalyst, which reached a degradation of 96.23% in 120 minutes. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-01-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1517-70762019000400302 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1517-70762019000400302 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/s1517-707620190004.0807 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Laboratório de Hidrogênio, Coppe - Universidade Federal do Rio de Janeiro em cooperação com a Associação Brasileira do Hidrogênio, ABH2 |
publisher.none.fl_str_mv |
Laboratório de Hidrogênio, Coppe - Universidade Federal do Rio de Janeiro em cooperação com a Associação Brasileira do Hidrogênio, ABH2 |
dc.source.none.fl_str_mv |
Matéria (Rio de Janeiro) v.24 n.4 2019 reponame:Matéria (Rio de Janeiro. Online) instname:Matéria (Rio de Janeiro. Online) instacron:RLAM |
instname_str |
Matéria (Rio de Janeiro. Online) |
instacron_str |
RLAM |
institution |
RLAM |
reponame_str |
Matéria (Rio de Janeiro. Online) |
collection |
Matéria (Rio de Janeiro. Online) |
repository.name.fl_str_mv |
Matéria (Rio de Janeiro. Online) - Matéria (Rio de Janeiro. Online) |
repository.mail.fl_str_mv |
||materia@labh2.coppe.ufrj.br |
_version_ |
1752126692467408896 |