Pós-tratamento de efluente do cozimento para laminação de toras de Pinus spp. por coagulação e filtração adsortiva
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações do UNICENTRO |
Texto Completo: | http://tede.unicentro.br:8080/jspui/handle/jspui/1386 |
Resumo: | Plywood industry occupies a large space in the national economy, however, one of the problems faced by manufacturing process is the large volume of waste generated, such as liquid effluents generated during the wood cooking process. This cooking effluent presents high organic load, high apparent color and a huge quantity of phenolic compounds, which is typically toxic and bio-recalcitrant to conventional treatment systems as the stabilization ponds. Therefore, the present study aims to evaluate the removal of color, turbidity and phenol of the wood cooking effluent using chemical coagulation followed by adsorptive filtration on granular activated charcoal and natural zeolite. The tests were carried out on bench scale using a Jar-test apparatus. Effluent samples were collected at the company's wastewater treatment plant. The effluent A was the final effluent of the aeration pond, and the effluent B was the final effluent of the sedimentation pond. The study was carried out in two phases: in the first one, it was performed the investigation of the optimal operational conditions for coagulation process. It was investigated the coagulant dosage and sedimentation time. In the second phase, it was evaluated the efficiency of the coagulation treatment under the optimal conditions (optimized in phase 1). Then, the coagulated effluent was filtered on granular activated charcoal and natural zeolite. The results obtained in phase one indicated that the optimal condition for effluent A was coagulant dosage of 125 mg.L-1 along with sedimentation time of 40 min, and for the effluent B it was 125 mg.L-1 along with sedimentation time of 20 min. In phase 2, after chemical coagulation, effluent A showed a removal of 100%, 97%, 99%, 79% and 84% for BOD, color, turbidity, COD and phenol, respectively, effluent B showed removal of 100%, 99%, 98%, 80% and 85% for the same parameters, respectively. After the filtration of effluent A on activated charcoal, it was obtained removal of 90% of absorbance in 254 nanometers and 89% of suspended solids, besides significant removals for the other parameters. Effluent A filtered on zeolite reached removal of 74%, 76% e 89% of color, turbidity and suspended solids, respectively. Coagulation process showed to be an efficient process to the wood cooking effluent treatment. Filtration with both, activated charcoal and zeolites, allowed to improve the final effluent quality and showed optimistic results for later studies seeking the reuse of the treated effluent. |
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Vidal, Carlos Magno de Sousahttp://lattes.cnpq.br/1554298849674091081.240.989-21http://lattes.cnpq.br/1375085072977946Claus, Luana Falbot2021-02-25T14:37:06Z2019-03-26Claus, Luana Falbot. Pós-tratamento de efluente do cozimento para laminação de toras de Pinus spp. por coagulação e filtração adsortiva. 2019. 65 f. Dissertação (Programa de Pós-Graduação em Ciências Florestais - Mestrado) - Universidade Estadual do Centro-Oeste, Irati-PR.http://tede.unicentro.br:8080/jspui/handle/jspui/1386Plywood industry occupies a large space in the national economy, however, one of the problems faced by manufacturing process is the large volume of waste generated, such as liquid effluents generated during the wood cooking process. This cooking effluent presents high organic load, high apparent color and a huge quantity of phenolic compounds, which is typically toxic and bio-recalcitrant to conventional treatment systems as the stabilization ponds. Therefore, the present study aims to evaluate the removal of color, turbidity and phenol of the wood cooking effluent using chemical coagulation followed by adsorptive filtration on granular activated charcoal and natural zeolite. The tests were carried out on bench scale using a Jar-test apparatus. Effluent samples were collected at the company's wastewater treatment plant. The effluent A was the final effluent of the aeration pond, and the effluent B was the final effluent of the sedimentation pond. The study was carried out in two phases: in the first one, it was performed the investigation of the optimal operational conditions for coagulation process. It was investigated the coagulant dosage and sedimentation time. In the second phase, it was evaluated the efficiency of the coagulation treatment under the optimal conditions (optimized in phase 1). Then, the coagulated effluent was filtered on granular activated charcoal and natural zeolite. The results obtained in phase one indicated that the optimal condition for effluent A was coagulant dosage of 125 mg.L-1 along with sedimentation time of 40 min, and for the effluent B it was 125 mg.L-1 along with sedimentation time of 20 min. In phase 2, after chemical coagulation, effluent A showed a removal of 100%, 97%, 99%, 79% and 84% for BOD, color, turbidity, COD and phenol, respectively, effluent B showed removal of 100%, 99%, 98%, 80% and 85% for the same parameters, respectively. After the filtration of effluent A on activated charcoal, it was obtained removal of 90% of absorbance in 254 nanometers and 89% of suspended solids, besides significant removals for the other parameters. Effluent A filtered on zeolite reached removal of 74%, 76% e 89% of color, turbidity and suspended solids, respectively. Coagulation process showed to be an efficient process to the wood cooking effluent treatment. Filtration with both, activated charcoal and zeolites, allowed to improve the final effluent quality and showed optimistic results for later studies seeking the reuse of the treated effluent.A indústria de compensados de madeira ocupa grande espaço na economia nacional e um dos problemas encontrados no processo de fabricação é o grande volume de resíduos gerados, entre eles, o efluente líquido proveniente do cozimento das toras. O referido efluente apresenta alta carga orgânica, elevada cor aparente e grande quantidade de compostos fenólicos derivados da lignina, sendo estes tipicamente tóxicos e biorecalcitrantes aos sistemas de tratamento convencionais como as lagoas de estabilização. Visando a remediação deste efluente o presente trabalho busca avaliar a remoção de cor, turbidez e fenol residual de efluente de uma indústria de compensados de madeira empregando a coagulação química e a filtração adsortiva em carvão ativado granular e zeólita natural. Os experimentos foram realizados em escala de bancada no equipamento Jartest. Os efluentes foram coletados na ETE da empresa, sendo o primeiro na saída da lagoa de aeração (efluente A) e o segundo na saída da lagoa de sedimentação (efluente B). O trabalho foi realizado em duas etapas: na primeira foi feita a investigação das condições operacionais ideais para o processo de coagulação, tendo sido testadas: dosagem de coagulante e tempo de sedimentação. Na segunda etapa foi realizada a avaliação da eficiência do tratamento de coagulação sob as condições ideais (otimizada) e posteriormente foram feitos os ensaios de filtração em carvão ativado granular e zeólita natural no efluente coagulado. Na Etapa um os resultados obtidos apontaram para a utilização da dosagem de coagulante de 125 mg.L-1 com tempo de sedimentação de 40 min para o efluente A, e 125 mg.L-1 com tempo de sedimentação de 20 min para o efluente B. Na segunda etapa, após a coagulação química, para o tratamento do efluente A foram obtidas remoções de DBO, cor, turbidez, DQO e fenol de 100%, 97%, 99%, 79% e 84% respectivamente, e para o efluente B, por sua vez, foram obtidas remoções de 100%, 99%, 98%, 80% e 85% para os mesmos parâmetros. Com o efluente A clarificado e posteriormente filtrado por carvão ativado ainda foram obtidas remoções de 90% para absorbância 254 nanômetros e remoção de 89% para sólidos suspensos e remoções significativas para os demais parâmetros. A filtração do efluente A coagulado em zeólitas alcançou remoções de 74% para cor, 76% para turbidez e também 89% para sólidos suspensos. O processo de coagulação se mostrou altamente eficiente no tratamento terciário do efluente do cozimento de toras, a filtração em ambos meios permitiu aprimorar a qualidade do efluente final e resultados atrativos para posterior estudo sobre reuso do efluente tratado.Submitted by Fabiano Jucá (fjuca@unicentro.br) on 2021-02-25T14:37:06Z No. of bitstreams: 1 Dissertação Luana Flabot Claus.pdf: 1186132 bytes, checksum: 88de63e94b1b906012a25b7c332d035a (MD5)Made available in DSpace on 2021-02-25T14:37:06Z (GMT). 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dc.title.por.fl_str_mv |
Pós-tratamento de efluente do cozimento para laminação de toras de Pinus spp. por coagulação e filtração adsortiva |
dc.title.alternative.eng.fl_str_mv |
Post-treatment of cooking effluent for lamination of Pinus spp. by coagulation and adsorptive filtration |
title |
Pós-tratamento de efluente do cozimento para laminação de toras de Pinus spp. por coagulação e filtração adsortiva |
spellingShingle |
Pós-tratamento de efluente do cozimento para laminação de toras de Pinus spp. por coagulação e filtração adsortiva Claus, Luana Falbot compensado de madeira coagulação filtração adsortiva carvão ativado zeólita plywood coagulation adsorptive filtration activated charcoal zeolite CIENCIAS AGRARIAS::RECURSOS FLORESTAIS E ENGENHARIA FLORESTAL RECURSOS FLORESTAIS E ENGENHARIA FLORESTAL::MANEJO FLORESTAL |
title_short |
Pós-tratamento de efluente do cozimento para laminação de toras de Pinus spp. por coagulação e filtração adsortiva |
title_full |
Pós-tratamento de efluente do cozimento para laminação de toras de Pinus spp. por coagulação e filtração adsortiva |
title_fullStr |
Pós-tratamento de efluente do cozimento para laminação de toras de Pinus spp. por coagulação e filtração adsortiva |
title_full_unstemmed |
Pós-tratamento de efluente do cozimento para laminação de toras de Pinus spp. por coagulação e filtração adsortiva |
title_sort |
Pós-tratamento de efluente do cozimento para laminação de toras de Pinus spp. por coagulação e filtração adsortiva |
author |
Claus, Luana Falbot |
author_facet |
Claus, Luana Falbot |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Vidal, Carlos Magno de Sousa |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/1554298849674091 |
dc.contributor.authorID.fl_str_mv |
081.240.989-21 |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/1375085072977946 |
dc.contributor.author.fl_str_mv |
Claus, Luana Falbot |
contributor_str_mv |
Vidal, Carlos Magno de Sousa |
dc.subject.por.fl_str_mv |
compensado de madeira coagulação filtração adsortiva carvão ativado zeólita |
topic |
compensado de madeira coagulação filtração adsortiva carvão ativado zeólita plywood coagulation adsorptive filtration activated charcoal zeolite CIENCIAS AGRARIAS::RECURSOS FLORESTAIS E ENGENHARIA FLORESTAL RECURSOS FLORESTAIS E ENGENHARIA FLORESTAL::MANEJO FLORESTAL |
dc.subject.eng.fl_str_mv |
plywood coagulation adsorptive filtration activated charcoal zeolite |
dc.subject.cnpq.fl_str_mv |
CIENCIAS AGRARIAS::RECURSOS FLORESTAIS E ENGENHARIA FLORESTAL RECURSOS FLORESTAIS E ENGENHARIA FLORESTAL::MANEJO FLORESTAL |
description |
Plywood industry occupies a large space in the national economy, however, one of the problems faced by manufacturing process is the large volume of waste generated, such as liquid effluents generated during the wood cooking process. This cooking effluent presents high organic load, high apparent color and a huge quantity of phenolic compounds, which is typically toxic and bio-recalcitrant to conventional treatment systems as the stabilization ponds. Therefore, the present study aims to evaluate the removal of color, turbidity and phenol of the wood cooking effluent using chemical coagulation followed by adsorptive filtration on granular activated charcoal and natural zeolite. The tests were carried out on bench scale using a Jar-test apparatus. Effluent samples were collected at the company's wastewater treatment plant. The effluent A was the final effluent of the aeration pond, and the effluent B was the final effluent of the sedimentation pond. The study was carried out in two phases: in the first one, it was performed the investigation of the optimal operational conditions for coagulation process. It was investigated the coagulant dosage and sedimentation time. In the second phase, it was evaluated the efficiency of the coagulation treatment under the optimal conditions (optimized in phase 1). Then, the coagulated effluent was filtered on granular activated charcoal and natural zeolite. The results obtained in phase one indicated that the optimal condition for effluent A was coagulant dosage of 125 mg.L-1 along with sedimentation time of 40 min, and for the effluent B it was 125 mg.L-1 along with sedimentation time of 20 min. In phase 2, after chemical coagulation, effluent A showed a removal of 100%, 97%, 99%, 79% and 84% for BOD, color, turbidity, COD and phenol, respectively, effluent B showed removal of 100%, 99%, 98%, 80% and 85% for the same parameters, respectively. After the filtration of effluent A on activated charcoal, it was obtained removal of 90% of absorbance in 254 nanometers and 89% of suspended solids, besides significant removals for the other parameters. Effluent A filtered on zeolite reached removal of 74%, 76% e 89% of color, turbidity and suspended solids, respectively. Coagulation process showed to be an efficient process to the wood cooking effluent treatment. Filtration with both, activated charcoal and zeolites, allowed to improve the final effluent quality and showed optimistic results for later studies seeking the reuse of the treated effluent. |
publishDate |
2019 |
dc.date.issued.fl_str_mv |
2019-03-26 |
dc.date.accessioned.fl_str_mv |
2021-02-25T14:37:06Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
format |
masterThesis |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
Claus, Luana Falbot. Pós-tratamento de efluente do cozimento para laminação de toras de Pinus spp. por coagulação e filtração adsortiva. 2019. 65 f. Dissertação (Programa de Pós-Graduação em Ciências Florestais - Mestrado) - Universidade Estadual do Centro-Oeste, Irati-PR. |
dc.identifier.uri.fl_str_mv |
http://tede.unicentro.br:8080/jspui/handle/jspui/1386 |
identifier_str_mv |
Claus, Luana Falbot. Pós-tratamento de efluente do cozimento para laminação de toras de Pinus spp. por coagulação e filtração adsortiva. 2019. 65 f. Dissertação (Programa de Pós-Graduação em Ciências Florestais - Mestrado) - Universidade Estadual do Centro-Oeste, Irati-PR. |
url |
http://tede.unicentro.br:8080/jspui/handle/jspui/1386 |
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por |
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info:eu-repo/semantics/openAccess |
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openAccess |
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Universidade Estadual do Centro-Oeste |
dc.publisher.program.fl_str_mv |
Programa de Pós-Graduação em Ciências Florestais (Mestrado) |
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UNICENTRO |
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Brasil |
dc.publisher.department.fl_str_mv |
Unicentro::Departamento de Ciências Florestais |
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Universidade Estadual do Centro-Oeste |
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Biblioteca Digital de Teses e Dissertações do UNICENTRO |
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Biblioteca Digital de Teses e Dissertações do UNICENTRO - Universidade Estadual do Centro-Oeste (UNICENTRO) |
repository.mail.fl_str_mv |
repositorio@unicentro.br||fabianoqueiroz@yahoo.com.br |
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1811733820309766144 |