Remoção dos corantes azul de metileno e laranja reativo 64 por carvão produzido a partir de lodo de ETE
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Tipo de documento: | Trabalho de conclusão de curso |
Idioma: | por |
Título da fonte: | Repositório Institucional da UFRN |
Texto Completo: | https://repositorio.ufrn.br/handle/123456789/38820 |
Resumo: | The contamination of waterbodies by effluents containing dyes has been an object of attention to several scholars. The presence of dyes in the water reduces the transparency of the medium, hindering the penetration of solar rays and, consequently, affecting the execution of photosynthesis by the aquatic flora. In addition, the use of colored water is extremely limited, since its aesthetics is an indication of quality and, therefore, essential to the consumer. In this sense, several methods for treating colored effluents have been developed in the last decades. Among them, adsorption is certainly one of the most efficient, especially when performed with activated carbon, which undergoes physical-chemical treatments to ensure a high internal porosity. However, the cost of obtaining this adsorbent is usually very high. Therefore, as a less expensive alternative for the removal of dyes, the present work proposes the use of charcoal – whithout undergoing any activation processes – made from sewage sludge of a wastewater treatment plant. Starting from synthetic effluents based on methylene blue and reactive orange 64, the kinetics and the equilibrium of each dye were evaluated, concluding that methylene blue is adsorbed according to the kinetic model of pseudo-second order and is best described by the Langmuir isotherm, whereas the reactive orange 64 has its sorption kinetics responding to the pseudo-first order model and is best represented by the Freundlich isotherm. Using 0.040 g of charcoal, a 99.51% removal (absence of apparent color) was obtained for 10 mg/L methylene blue solutions. In the case of the reactive orange 64, using 0.25 g of charcoal, a 93.51% removal (absence of apparent color) was obtained in 10 mg/L solutions. |
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Medeiros, Válber Rodrigo Ribeiro deMoriyama, André Luís LopesCosta, Juliana Elionara BezerraSousa, Magna Angélica dos Santos Bezerra2017-06-26T18:50:10Z2021-09-27T12:22:11Z2017-06-26T18:50:10Z2021-09-27T12:22:11Z2017-06-142012941161MEDEIROS, Válber Rodrigo Ribeiro de. Remoção dos corantes azul de metileno e laranja reativo 64 por carvão produzido a partir de lodo de ETE. 2017. 60f. Trabalho de Conclusão de Curso (Graduação em Engenharias Química), Departamento de Engenharia Química, Universidade Federal do Rio Grande do Norte, Natal, 2017.https://repositorio.ufrn.br/handle/123456789/38820The contamination of waterbodies by effluents containing dyes has been an object of attention to several scholars. The presence of dyes in the water reduces the transparency of the medium, hindering the penetration of solar rays and, consequently, affecting the execution of photosynthesis by the aquatic flora. In addition, the use of colored water is extremely limited, since its aesthetics is an indication of quality and, therefore, essential to the consumer. In this sense, several methods for treating colored effluents have been developed in the last decades. Among them, adsorption is certainly one of the most efficient, especially when performed with activated carbon, which undergoes physical-chemical treatments to ensure a high internal porosity. However, the cost of obtaining this adsorbent is usually very high. Therefore, as a less expensive alternative for the removal of dyes, the present work proposes the use of charcoal – whithout undergoing any activation processes – made from sewage sludge of a wastewater treatment plant. Starting from synthetic effluents based on methylene blue and reactive orange 64, the kinetics and the equilibrium of each dye were evaluated, concluding that methylene blue is adsorbed according to the kinetic model of pseudo-second order and is best described by the Langmuir isotherm, whereas the reactive orange 64 has its sorption kinetics responding to the pseudo-first order model and is best represented by the Freundlich isotherm. Using 0.040 g of charcoal, a 99.51% removal (absence of apparent color) was obtained for 10 mg/L methylene blue solutions. In the case of the reactive orange 64, using 0.25 g of charcoal, a 93.51% removal (absence of apparent color) was obtained in 10 mg/L solutions.A contaminação de corpos d’água por efluentes contendo corantes tem sido objeto da atenção de diversos estudiosos. A presença de corantes na água reduz a transparência do meio, dificultando a penetração de raios solares e, consequentemente, afetando a realização de fotossíntese pela flora aquática. Além disso, a utilização de águas com cor é extremamente limitada, uma vez que o fator estético é um indicativo de qualidade e, portanto, imprescindível ao consumidor. Neste sentido, diversos métodos de tratamento de efluentes coloridos têm sido desenvolvidos nas últimas décadas. Dentre eles, a adsorção é certamente um dos mais eficientes, especialmente quando realizada com carvão ativado, o qual passa por tratamentos físico-químicos para garantir uma porosidade interna elevada. No entanto, o custo para se obter esse adsorvente é geralmente muito alto. Então, o presente trabalho propõe o uso de carvão produzido a partir de lodo de ETE sem ser submetido a qualquer processo de ativação como uma alternativa menos onerosa para a remoção de corantes. Partindo de efluentes sintéticos a base de azul de metileno e laranja reativo 64, avaliou-se a cinética e o equilíbrio de cada corante, chegando-se à conclusão de que o azul de metileno é adsorvido conforme o modelo cinético de pseudo-segunda ordem e é melhor descrito pela isoterma de Langmuir, ao passo que o laranja reativo 64 tem sua cinética de sorção respondendo ao modelo de pseudo-primeira ordem e é melhor representado pela isoterma de Freundlich. Usando-se 0,040 g de carvão, obteve-se uma remoção de 99,51% (ausência de cor aparente) para soluções de azul de metileno a 10 mg/L. No caso do laranja reativo 64, usando-se 0,25 g de carvão, obteve-se uma remoção de 93,51% (ausência de cor aparente) nas soluções a 10 mg/L.Universidade Federal do Rio Grande do NorteUFRNBrasilEngenharia QuímicaAn error occurred getting the license - uri.info:eu-repo/semantics/openAccessAzul de metilenoLaranja reativo 64Remoção de corantesAdsorçãoCarvão de lodo de ETEMethylene blueReactive orange 64Dye removalAdsorptionSewage sludgebased charcoalEngenharias.Remoção dos corantes azul de metileno e laranja reativo 64 por carvão produzido a partir de lodo de ETEinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/bachelorThesisporreponame:Repositório Institucional da UFRNinstname:Universidade Federal do Rio Grande do Norte (UFRN)instacron:UFRNTEXTRemocaodoscorantes_Monografia.pdf.txtExtracted texttext/plain94870https://repositorio.ufrn.br/bitstream/123456789/38820/1/Remocaodoscorantes_Monografia.pdf.txt7333cfc9ebe6ce82c543342ba81d1edaMD51CC-LICENSElicense_urlapplication/octet-stream49https://repositorio.ufrn.br/bitstream/123456789/38820/2/license_url4afdbb8c545fd630ea7db775da747b2fMD52license_textapplication/octet-stream0https://repositorio.ufrn.br/bitstream/123456789/38820/3/license_textd41d8cd98f00b204e9800998ecf8427eMD53license_rdfapplication/octet-stream0https://repositorio.ufrn.br/bitstream/123456789/38820/4/license_rdfd41d8cd98f00b204e9800998ecf8427eMD54LICENSElicense.txttext/plain756https://repositorio.ufrn.br/bitstream/123456789/38820/5/license.txta80a9cda2756d355b388cc443c3d8a43MD55ORIGINALRemocaodoscorantes_Monografia.pdfapplication/pdf952438https://repositorio.ufrn.br/bitstream/123456789/38820/6/Remocaodoscorantes_Monografia.pdf1faf5d94d3691f5eec02857b1b5f5d51MD56123456789/388202021-09-27 09:22:11.466oai:https://repositorio.ufrn.br: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ório de PublicaçõesPUBhttp://repositorio.ufrn.br/oai/opendoar:2021-09-27T12:22:11Repositório Institucional da UFRN - Universidade Federal do Rio Grande do Norte (UFRN)false |
dc.title.pr_BR.fl_str_mv |
Remoção dos corantes azul de metileno e laranja reativo 64 por carvão produzido a partir de lodo de ETE |
title |
Remoção dos corantes azul de metileno e laranja reativo 64 por carvão produzido a partir de lodo de ETE |
spellingShingle |
Remoção dos corantes azul de metileno e laranja reativo 64 por carvão produzido a partir de lodo de ETE Medeiros, Válber Rodrigo Ribeiro de Azul de metileno Laranja reativo 64 Remoção de corantes Adsorção Carvão de lodo de ETE Methylene blue Reactive orange 64 Dye removal Adsorption Sewage sludgebased charcoal Engenharias. |
title_short |
Remoção dos corantes azul de metileno e laranja reativo 64 por carvão produzido a partir de lodo de ETE |
title_full |
Remoção dos corantes azul de metileno e laranja reativo 64 por carvão produzido a partir de lodo de ETE |
title_fullStr |
Remoção dos corantes azul de metileno e laranja reativo 64 por carvão produzido a partir de lodo de ETE |
title_full_unstemmed |
Remoção dos corantes azul de metileno e laranja reativo 64 por carvão produzido a partir de lodo de ETE |
title_sort |
Remoção dos corantes azul de metileno e laranja reativo 64 por carvão produzido a partir de lodo de ETE |
author |
Medeiros, Válber Rodrigo Ribeiro de |
author_facet |
Medeiros, Válber Rodrigo Ribeiro de |
author_role |
author |
dc.contributor.referees1.none.fl_str_mv |
Moriyama, André Luís Lopes |
dc.contributor.referees2.none.fl_str_mv |
Costa, Juliana Elionara Bezerra |
dc.contributor.author.fl_str_mv |
Medeiros, Válber Rodrigo Ribeiro de |
dc.contributor.advisor1.fl_str_mv |
Sousa, Magna Angélica dos Santos Bezerra |
contributor_str_mv |
Sousa, Magna Angélica dos Santos Bezerra |
dc.subject.pr_BR.fl_str_mv |
Azul de metileno Laranja reativo 64 Remoção de corantes Adsorção Carvão de lodo de ETE Methylene blue Reactive orange 64 Dye removal Adsorption Sewage sludgebased charcoal |
topic |
Azul de metileno Laranja reativo 64 Remoção de corantes Adsorção Carvão de lodo de ETE Methylene blue Reactive orange 64 Dye removal Adsorption Sewage sludgebased charcoal Engenharias. |
dc.subject.cnpq.fl_str_mv |
Engenharias. |
description |
The contamination of waterbodies by effluents containing dyes has been an object of attention to several scholars. The presence of dyes in the water reduces the transparency of the medium, hindering the penetration of solar rays and, consequently, affecting the execution of photosynthesis by the aquatic flora. In addition, the use of colored water is extremely limited, since its aesthetics is an indication of quality and, therefore, essential to the consumer. In this sense, several methods for treating colored effluents have been developed in the last decades. Among them, adsorption is certainly one of the most efficient, especially when performed with activated carbon, which undergoes physical-chemical treatments to ensure a high internal porosity. However, the cost of obtaining this adsorbent is usually very high. Therefore, as a less expensive alternative for the removal of dyes, the present work proposes the use of charcoal – whithout undergoing any activation processes – made from sewage sludge of a wastewater treatment plant. Starting from synthetic effluents based on methylene blue and reactive orange 64, the kinetics and the equilibrium of each dye were evaluated, concluding that methylene blue is adsorbed according to the kinetic model of pseudo-second order and is best described by the Langmuir isotherm, whereas the reactive orange 64 has its sorption kinetics responding to the pseudo-first order model and is best represented by the Freundlich isotherm. Using 0.040 g of charcoal, a 99.51% removal (absence of apparent color) was obtained for 10 mg/L methylene blue solutions. In the case of the reactive orange 64, using 0.25 g of charcoal, a 93.51% removal (absence of apparent color) was obtained in 10 mg/L solutions. |
publishDate |
2017 |
dc.date.accessioned.fl_str_mv |
2017-06-26T18:50:10Z 2021-09-27T12:22:11Z |
dc.date.available.fl_str_mv |
2017-06-26T18:50:10Z 2021-09-27T12:22:11Z |
dc.date.issued.fl_str_mv |
2017-06-14 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/bachelorThesis |
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bachelorThesis |
status_str |
publishedVersion |
dc.identifier.pr_BR.fl_str_mv |
2012941161 |
dc.identifier.citation.fl_str_mv |
MEDEIROS, Válber Rodrigo Ribeiro de. Remoção dos corantes azul de metileno e laranja reativo 64 por carvão produzido a partir de lodo de ETE. 2017. 60f. Trabalho de Conclusão de Curso (Graduação em Engenharias Química), Departamento de Engenharia Química, Universidade Federal do Rio Grande do Norte, Natal, 2017. |
dc.identifier.uri.fl_str_mv |
https://repositorio.ufrn.br/handle/123456789/38820 |
identifier_str_mv |
2012941161 MEDEIROS, Válber Rodrigo Ribeiro de. Remoção dos corantes azul de metileno e laranja reativo 64 por carvão produzido a partir de lodo de ETE. 2017. 60f. Trabalho de Conclusão de Curso (Graduação em Engenharias Química), Departamento de Engenharia Química, Universidade Federal do Rio Grande do Norte, Natal, 2017. |
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https://repositorio.ufrn.br/handle/123456789/38820 |
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An error occurred getting the license - uri. |
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openAccess |
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Universidade Federal do Rio Grande do Norte |
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Brasil |
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Engenharia Química |
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Universidade Federal do Rio Grande do Norte |
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