Adsorption of methyl orange dye onto activated carbon prepared from cupuaçu shell
Autor(a) principal: | |
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Data de Publicação: | 2023 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Research, Society and Development |
Texto Completo: | https://rsdjournal.org/index.php/rsd/article/view/44394 |
Resumo: | The contamination of water resources by synthetic chemical substances, such as textile dyes, represents a serious environmental problem, as many of these compounds are toxic and can cause damage to the environment and human health. This work aimed to evaluate the efficiency of activated carbon obtained from cupuaçu shell in the adsorption process of methyl orange dye. The adsorbent was prepared by chemical activation using 85% phosphoric acid followed by carbonization at 500 oC for 60 minutes. The batch adsorption tests were performed using activated carbon with different dosage diluted in a dye solution at 10 mg/L. The kinetic tests results showed that equilibrium was achieved after 10 minutes, with almost 100% removal, maximum adsorption capacity of 9.50 mg/g (mads = 50 mg) and 19.70 mg/g (mads = 25 mg). The experimental data were fitted to pseudo-first-order, pseudo-second-order and intraparticle diffusion kinetic models, with the pseudo-second-order being the one that best described the process, resulting in values closer to the maximum adsorbed capacity at equilibrium, experimental and calculated. In this way, activated carbon from cupuaçu shell showed excellent potential in methyl orange adsorption studies, becoming a promising alternative in the remediation of organic pollutants. |
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Adsorption of methyl orange dye onto activated carbon prepared from cupuaçu shellAdsorción de colorante de naranja de metilo sobre carbón activado preparado a partir de cáscara de cupuaçuAdsorção do corante alaranjado de metila em carvão ativado obtido da casca do cupuaçuBiomassa residualAdsorventeCorante têxtilModelos cinéticos.Biomasa residualAdsorbenteTinte textilModelos cinéticos.Residual biomassAdsorbentTextile dyeKinetic models.The contamination of water resources by synthetic chemical substances, such as textile dyes, represents a serious environmental problem, as many of these compounds are toxic and can cause damage to the environment and human health. This work aimed to evaluate the efficiency of activated carbon obtained from cupuaçu shell in the adsorption process of methyl orange dye. The adsorbent was prepared by chemical activation using 85% phosphoric acid followed by carbonization at 500 oC for 60 minutes. The batch adsorption tests were performed using activated carbon with different dosage diluted in a dye solution at 10 mg/L. The kinetic tests results showed that equilibrium was achieved after 10 minutes, with almost 100% removal, maximum adsorption capacity of 9.50 mg/g (mads = 50 mg) and 19.70 mg/g (mads = 25 mg). The experimental data were fitted to pseudo-first-order, pseudo-second-order and intraparticle diffusion kinetic models, with the pseudo-second-order being the one that best described the process, resulting in values closer to the maximum adsorbed capacity at equilibrium, experimental and calculated. In this way, activated carbon from cupuaçu shell showed excellent potential in methyl orange adsorption studies, becoming a promising alternative in the remediation of organic pollutants.La contaminación de cuerpos de agua por sustancias químicas sintéticas, como tintes textiles, representa un grave problema ambiental, ya que muchos de estos compuestos son tóxicos y pueden causar daños al medio ambiente y a la salud humana. Este trabajo tuvo como objetivo evaluar la eficiencia del carbón activado obtenido de la corteza de cupuaçu en el proceso de adsorción del colorante naranja de metilo. El adsorbente se preparó mediante activación química utilizando ácido fosfórico al 85% seguido de carbonización a 500 oC durante 60 minutos. Las pruebas de adsorción se realizaron por lotes utilizando diferentes masas de carbón activado diluidas en una solución colorante a 10 mg/L. Los resultados de las pruebas cinéticas mostraron que el equilibrio se alcanzó después de 10 minutos, con casi el 100% de eliminación, capacidad máxima de adsorción de 9,50 mg/g (mads = 50 mg) y 19,70 mg/g (mads = 25 mg). Los datos experimentales se ajustaron a modelos cinéticos de pseudo-primer orden, pseudo-segundo orden y difusión intrapartícula, siendo el pseudo-segundo orden el que mejor describió el proceso, resultando en valores más cercanos al máximo adsorbido capacidad en equilibrio, experimental y calculada. De esta manera, el carbón activado de cáscara de cupuaçu mostró un excelente potencial en estudios de adsorción de naranja de metilo, convirtiendo se en una alternativa prometedora en la remediación de contaminantes orgánicos.A contaminação dos corpos hídricos por substâncias químicas sintéticas, como os corantes têxteis, representa um grave problema ambiental, pois muitos desses compostos são tóxicos e podem causar danos ao meio ambiente e à saúde humana. Este trabalho teve como objetivo avaliar a eficiência do carvão ativado obtido da casca do cupuaçu no processo de adsorção do corante alaranjado de metila. O adsorvente foi preparado por ativação química utilizando ácido fosfórico 85% seguido de carbonização à 500 oC por 60 minutos. Os ensaios de adsorção foram realizados em batelada utilizando diferentes massas do carvão diluídas em solução do corante a 10 mg/L. Os resultados dos testes cinéticos mostraram que o equilíbrio foi alcançado após 10 minutos, com remoção de quase 100%, capacidade máxima de adsorção de 9,50 mg/g (mads = 50 mg) e 19,70 mg/g (mads = 25 mg). Os dados experimentais foram ajustados aos modelos cinéticos de pseudo-primeira ordem, pseudo-segunda ordem e difusão intrapartícula, sendo o de pseudo-segunda ordem o que melhor descreveu o processo, resultando em valores mais aproximados entre a capacidade máxima adsorvida no equilíbrio, experimental e calculado. Desta forma, o carvão ativado da casca do cupuaçu mostrou excelente potencial nos estudos de adsorção do alaranjado de metila tornando-se uma alternativa promissora na remediação de poluentes orgânicos.Research, Society and Development2023-12-17info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://rsdjournal.org/index.php/rsd/article/view/4439410.33448/rsd-v12i14.44394Research, Society and Development; Vol. 12 No. 14; e17121444394Research, Society and Development; Vol. 12 Núm. 14; e17121444394Research, Society and Development; v. 12 n. 14; e171214443942525-3409reponame:Research, Society and Developmentinstname:Universidade Federal de Itajubá (UNIFEI)instacron:UNIFEIporhttps://rsdjournal.org/index.php/rsd/article/view/44394/35617Copyright (c) 2023 Mayra Paula de Souza e Sousa; Cristiane Daliassi Ramos de Souza; Lucas Orleam Nunes do Nascimento; Mikelle Silva de Oliveirahttps://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessSousa, Mayra Paula de Souza e Souza, Cristiane Daliassi Ramos de Nascimento, Lucas Orleam Nunes do Oliveira, Mikelle Silva de 2024-01-01T11:23:38Zoai:ojs.pkp.sfu.ca:article/44394Revistahttps://rsdjournal.org/index.php/rsd/indexPUBhttps://rsdjournal.org/index.php/rsd/oairsd.articles@gmail.com2525-34092525-3409opendoar:2024-01-01T11:23:38Research, Society and Development - Universidade Federal de Itajubá (UNIFEI)false |
dc.title.none.fl_str_mv |
Adsorption of methyl orange dye onto activated carbon prepared from cupuaçu shell Adsorción de colorante de naranja de metilo sobre carbón activado preparado a partir de cáscara de cupuaçu Adsorção do corante alaranjado de metila em carvão ativado obtido da casca do cupuaçu |
title |
Adsorption of methyl orange dye onto activated carbon prepared from cupuaçu shell |
spellingShingle |
Adsorption of methyl orange dye onto activated carbon prepared from cupuaçu shell Sousa, Mayra Paula de Souza e Biomassa residual Adsorvente Corante têxtil Modelos cinéticos. Biomasa residual Adsorbente Tinte textil Modelos cinéticos. Residual biomass Adsorbent Textile dye Kinetic models. |
title_short |
Adsorption of methyl orange dye onto activated carbon prepared from cupuaçu shell |
title_full |
Adsorption of methyl orange dye onto activated carbon prepared from cupuaçu shell |
title_fullStr |
Adsorption of methyl orange dye onto activated carbon prepared from cupuaçu shell |
title_full_unstemmed |
Adsorption of methyl orange dye onto activated carbon prepared from cupuaçu shell |
title_sort |
Adsorption of methyl orange dye onto activated carbon prepared from cupuaçu shell |
author |
Sousa, Mayra Paula de Souza e |
author_facet |
Sousa, Mayra Paula de Souza e Souza, Cristiane Daliassi Ramos de Nascimento, Lucas Orleam Nunes do Oliveira, Mikelle Silva de |
author_role |
author |
author2 |
Souza, Cristiane Daliassi Ramos de Nascimento, Lucas Orleam Nunes do Oliveira, Mikelle Silva de |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Sousa, Mayra Paula de Souza e Souza, Cristiane Daliassi Ramos de Nascimento, Lucas Orleam Nunes do Oliveira, Mikelle Silva de |
dc.subject.por.fl_str_mv |
Biomassa residual Adsorvente Corante têxtil Modelos cinéticos. Biomasa residual Adsorbente Tinte textil Modelos cinéticos. Residual biomass Adsorbent Textile dye Kinetic models. |
topic |
Biomassa residual Adsorvente Corante têxtil Modelos cinéticos. Biomasa residual Adsorbente Tinte textil Modelos cinéticos. Residual biomass Adsorbent Textile dye Kinetic models. |
description |
The contamination of water resources by synthetic chemical substances, such as textile dyes, represents a serious environmental problem, as many of these compounds are toxic and can cause damage to the environment and human health. This work aimed to evaluate the efficiency of activated carbon obtained from cupuaçu shell in the adsorption process of methyl orange dye. The adsorbent was prepared by chemical activation using 85% phosphoric acid followed by carbonization at 500 oC for 60 minutes. The batch adsorption tests were performed using activated carbon with different dosage diluted in a dye solution at 10 mg/L. The kinetic tests results showed that equilibrium was achieved after 10 minutes, with almost 100% removal, maximum adsorption capacity of 9.50 mg/g (mads = 50 mg) and 19.70 mg/g (mads = 25 mg). The experimental data were fitted to pseudo-first-order, pseudo-second-order and intraparticle diffusion kinetic models, with the pseudo-second-order being the one that best described the process, resulting in values closer to the maximum adsorbed capacity at equilibrium, experimental and calculated. In this way, activated carbon from cupuaçu shell showed excellent potential in methyl orange adsorption studies, becoming a promising alternative in the remediation of organic pollutants. |
publishDate |
2023 |
dc.date.none.fl_str_mv |
2023-12-17 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://rsdjournal.org/index.php/rsd/article/view/44394 10.33448/rsd-v12i14.44394 |
url |
https://rsdjournal.org/index.php/rsd/article/view/44394 |
identifier_str_mv |
10.33448/rsd-v12i14.44394 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://rsdjournal.org/index.php/rsd/article/view/44394/35617 |
dc.rights.driver.fl_str_mv |
https://creativecommons.org/licenses/by/4.0 info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by/4.0 |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Research, Society and Development |
publisher.none.fl_str_mv |
Research, Society and Development |
dc.source.none.fl_str_mv |
Research, Society and Development; Vol. 12 No. 14; e17121444394 Research, Society and Development; Vol. 12 Núm. 14; e17121444394 Research, Society and Development; v. 12 n. 14; e17121444394 2525-3409 reponame:Research, Society and Development instname:Universidade Federal de Itajubá (UNIFEI) instacron:UNIFEI |
instname_str |
Universidade Federal de Itajubá (UNIFEI) |
instacron_str |
UNIFEI |
institution |
UNIFEI |
reponame_str |
Research, Society and Development |
collection |
Research, Society and Development |
repository.name.fl_str_mv |
Research, Society and Development - Universidade Federal de Itajubá (UNIFEI) |
repository.mail.fl_str_mv |
rsd.articles@gmail.com |
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1797052635344273408 |