Characterization and evaluation of factors influencing microcystin-LR removal by granular activated carbon produced from different raw materials

Detalhes bibliográficos
Autor(a) principal: Araujo, Larissa Sene
Data de Publicação: 2018
Outros Autores: Coutinho, Aparecido dos Reis, Alvarez-Mendez, Manoel Orlando, Moruzzi, Rodrigo Braga [UNESP], Calijuri, Maria do Carmo, Fernandes Cunha, Davi Gasparini
Tipo de documento: Artigo
Idioma: por
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://dx.doi.org/10.1590/S1413-41522018177756
http://hdl.handle.net/11449/186527
Resumo: Microcystins (MC), which are among the cyanotoxins more commonly found in cyanobacterial blooms, are not efficiently removed by full-cycle water treatment technologies. As an additional barrier, there is the adsorption process with granular activated carbon (GAC). This research compared the efficiency of MC-LR removal by seven GACs produced from different raw materials, analyzing these samples properties: moisture, ash content, pH and textural characteristics. Initially, the results indicated that the GAC properties were influenced by the source material, as well as by the production method. In the adsorption assays, the Langmuir model indicated that in 4h, with 100 mg.L-1 dosage, the granular activated carbon of lignite (CGLIN) had the highest MC-LR (C-o:115.1 mu g.L-1) removal capacity (972%), with q(e,max) of 10.6 mg.g(-1). The volume of mesopores significantly influenced the adsorption capacity of microcystin by the evaluated GACs (r=0.98, Pearson). These results can support the application of the MC-LR adsorption process in water treatment plants to minimize intoxication with contaminated water.
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spelling Characterization and evaluation of factors influencing microcystin-LR removal by granular activated carbon produced from different raw materialsactivated carbonadsorptionmicrocystin-LRadvanced water treatmentMicrocystins (MC), which are among the cyanotoxins more commonly found in cyanobacterial blooms, are not efficiently removed by full-cycle water treatment technologies. As an additional barrier, there is the adsorption process with granular activated carbon (GAC). This research compared the efficiency of MC-LR removal by seven GACs produced from different raw materials, analyzing these samples properties: moisture, ash content, pH and textural characteristics. Initially, the results indicated that the GAC properties were influenced by the source material, as well as by the production method. In the adsorption assays, the Langmuir model indicated that in 4h, with 100 mg.L-1 dosage, the granular activated carbon of lignite (CGLIN) had the highest MC-LR (C-o:115.1 mu g.L-1) removal capacity (972%), with q(e,max) of 10.6 mg.g(-1). The volume of mesopores significantly influenced the adsorption capacity of microcystin by the evaluated GACs (r=0.98, Pearson). These results can support the application of the MC-LR adsorption process in water treatment plants to minimize intoxication with contaminated water.Univ Sao Paulo, Sao Carlos, SP, BrazilUniv Metodista Piracicaba, Santa Barbara Doeste, SP, BrazilUniv Estadual Paulista, Rio Claro, SP, BrazilUniv Estadual Paulista, Rio Claro, SP, BrazilAssoc Brasileira Engenharia Sanitaria AmbientalUniversidade de São Paulo (USP)Univ Metodista PiracicabaUniversidade Estadual Paulista (Unesp)Araujo, Larissa SeneCoutinho, Aparecido dos ReisAlvarez-Mendez, Manoel OrlandoMoruzzi, Rodrigo Braga [UNESP]Calijuri, Maria do CarmoFernandes Cunha, Davi Gasparini2019-10-05T04:50:50Z2019-10-05T04:50:50Z2018-11-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article1131-1142application/pdfhttp://dx.doi.org/10.1590/S1413-41522018177756Engenharia Sanitaria E Ambiental. Rio De Janeiro: Assoc Brasileira Engenharia Sanitaria Ambiental, v. 23, n. 6, p. 1131-1142, 2018.1413-4152http://hdl.handle.net/11449/18652710.1590/S1413-41522018177756S1413-41522018000601131WOS:000453417400012S1413-41522018000601131.pdfWeb of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPporEngenharia Sanitaria E Ambientalinfo:eu-repo/semantics/openAccess2023-12-28T06:14:43Zoai:repositorio.unesp.br:11449/186527Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T21:29:31.052046Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Characterization and evaluation of factors influencing microcystin-LR removal by granular activated carbon produced from different raw materials
title Characterization and evaluation of factors influencing microcystin-LR removal by granular activated carbon produced from different raw materials
spellingShingle Characterization and evaluation of factors influencing microcystin-LR removal by granular activated carbon produced from different raw materials
Araujo, Larissa Sene
activated carbon
adsorption
microcystin-LR
advanced water treatment
title_short Characterization and evaluation of factors influencing microcystin-LR removal by granular activated carbon produced from different raw materials
title_full Characterization and evaluation of factors influencing microcystin-LR removal by granular activated carbon produced from different raw materials
title_fullStr Characterization and evaluation of factors influencing microcystin-LR removal by granular activated carbon produced from different raw materials
title_full_unstemmed Characterization and evaluation of factors influencing microcystin-LR removal by granular activated carbon produced from different raw materials
title_sort Characterization and evaluation of factors influencing microcystin-LR removal by granular activated carbon produced from different raw materials
author Araujo, Larissa Sene
author_facet Araujo, Larissa Sene
Coutinho, Aparecido dos Reis
Alvarez-Mendez, Manoel Orlando
Moruzzi, Rodrigo Braga [UNESP]
Calijuri, Maria do Carmo
Fernandes Cunha, Davi Gasparini
author_role author
author2 Coutinho, Aparecido dos Reis
Alvarez-Mendez, Manoel Orlando
Moruzzi, Rodrigo Braga [UNESP]
Calijuri, Maria do Carmo
Fernandes Cunha, Davi Gasparini
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Universidade de São Paulo (USP)
Univ Metodista Piracicaba
Universidade Estadual Paulista (Unesp)
dc.contributor.author.fl_str_mv Araujo, Larissa Sene
Coutinho, Aparecido dos Reis
Alvarez-Mendez, Manoel Orlando
Moruzzi, Rodrigo Braga [UNESP]
Calijuri, Maria do Carmo
Fernandes Cunha, Davi Gasparini
dc.subject.por.fl_str_mv activated carbon
adsorption
microcystin-LR
advanced water treatment
topic activated carbon
adsorption
microcystin-LR
advanced water treatment
description Microcystins (MC), which are among the cyanotoxins more commonly found in cyanobacterial blooms, are not efficiently removed by full-cycle water treatment technologies. As an additional barrier, there is the adsorption process with granular activated carbon (GAC). This research compared the efficiency of MC-LR removal by seven GACs produced from different raw materials, analyzing these samples properties: moisture, ash content, pH and textural characteristics. Initially, the results indicated that the GAC properties were influenced by the source material, as well as by the production method. In the adsorption assays, the Langmuir model indicated that in 4h, with 100 mg.L-1 dosage, the granular activated carbon of lignite (CGLIN) had the highest MC-LR (C-o:115.1 mu g.L-1) removal capacity (972%), with q(e,max) of 10.6 mg.g(-1). The volume of mesopores significantly influenced the adsorption capacity of microcystin by the evaluated GACs (r=0.98, Pearson). These results can support the application of the MC-LR adsorption process in water treatment plants to minimize intoxication with contaminated water.
publishDate 2018
dc.date.none.fl_str_mv 2018-11-01
2019-10-05T04:50:50Z
2019-10-05T04:50:50Z
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://dx.doi.org/10.1590/S1413-41522018177756
Engenharia Sanitaria E Ambiental. Rio De Janeiro: Assoc Brasileira Engenharia Sanitaria Ambiental, v. 23, n. 6, p. 1131-1142, 2018.
1413-4152
http://hdl.handle.net/11449/186527
10.1590/S1413-41522018177756
S1413-41522018000601131
WOS:000453417400012
S1413-41522018000601131.pdf
url http://dx.doi.org/10.1590/S1413-41522018177756
http://hdl.handle.net/11449/186527
identifier_str_mv Engenharia Sanitaria E Ambiental. Rio De Janeiro: Assoc Brasileira Engenharia Sanitaria Ambiental, v. 23, n. 6, p. 1131-1142, 2018.
1413-4152
10.1590/S1413-41522018177756
S1413-41522018000601131
WOS:000453417400012
S1413-41522018000601131.pdf
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv Engenharia Sanitaria E Ambiental
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 1131-1142
application/pdf
dc.publisher.none.fl_str_mv Assoc Brasileira Engenharia Sanitaria Ambiental
publisher.none.fl_str_mv Assoc Brasileira Engenharia Sanitaria Ambiental
dc.source.none.fl_str_mv Web of Science
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
repository.mail.fl_str_mv
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