Adsorption of Ni(II), Pb(II) and Zn(II) on Ca(NO3)2-Neutralised Red Mud
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Outros Autores: | , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1007/s11270-016-3208-1 http://hdl.handle.net/11449/173930 |
Resumo: | This study aimed to investigate a novel method of red mud neutralisation by Ca(NO3)2 (NRM), keeping its adsorption capacity in relation to natural red mud (RM) for Ni(II), Pb(II) and Zn(II). Results pointed out that the neutralisation process decreases the pH and electrical conductivity values on NRM due to reaction between the carbonate and bicarbonate alkalinity of red mud and calcium from calcium nitrate to form calcite (CaCO3). The maximum adsorption capacity values of RM and NRM, respectively, were 1.78 and 1.79 mmol g−1 for Ni(II), 2.13 and 2.23 mmol g−1 for Pb(II) and 1.14 and 1.06 mmol g−1 for Zn(II). Pseudo-second-order model is the main responsible for the adsorption of these metals on RM and NRM. The adsorption reaction is endothermic and these metals have affinity to RM and NRM. Thus, it is possible to neutralise the red mud with Ca(NO3)2 without adsorption capacity losses of Ni(II), Pb(II) and Zn(II). |
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Adsorption of Ni(II), Pb(II) and Zn(II) on Ca(NO3)2-Neutralised Red MudAdsorptionCa(NO3)2-neutralised red mudEnvironmental managementTrace metalsThis study aimed to investigate a novel method of red mud neutralisation by Ca(NO3)2 (NRM), keeping its adsorption capacity in relation to natural red mud (RM) for Ni(II), Pb(II) and Zn(II). Results pointed out that the neutralisation process decreases the pH and electrical conductivity values on NRM due to reaction between the carbonate and bicarbonate alkalinity of red mud and calcium from calcium nitrate to form calcite (CaCO3). The maximum adsorption capacity values of RM and NRM, respectively, were 1.78 and 1.79 mmol g−1 for Ni(II), 2.13 and 2.23 mmol g−1 for Pb(II) and 1.14 and 1.06 mmol g−1 for Zn(II). Pseudo-second-order model is the main responsible for the adsorption of these metals on RM and NRM. The adsorption reaction is endothermic and these metals have affinity to RM and NRM. Thus, it is possible to neutralise the red mud with Ca(NO3)2 without adsorption capacity losses of Ni(II), Pb(II) and Zn(II).Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)UNESP—Universidade Estadual Paulista Faculdade de Engenharia de BauruUNESP—Universidade Estadual Paulista Instituto de Geociências e Ciências Exatas, Avenida 24-A, n° 1515, C. P. 178, CEP 13506-900, Bela VistaUNESP—Universidade Estadual Paulista Centro de Estudos AmbientaisUNESP—Universidade Estadual Paulista Instituto de Ciência e TecnologiaUNESP—Universidade Estadual Paulista Faculdade de Engenharia de BauruUNESP—Universidade Estadual Paulista Instituto de Geociências e Ciências Exatas, Avenida 24-A, n° 1515, C. P. 178, CEP 13506-900, Bela VistaUNESP—Universidade Estadual Paulista Centro de Estudos AmbientaisUNESP—Universidade Estadual Paulista Instituto de Ciência e TecnologiaUniversidade Estadual Paulista (Unesp)Pichinelli, Beatriz Cestaro [UNESP]da Silva, Mariana Scicia Gabriel [UNESP]da Conceição, Fabiano Tomazini [UNESP]Menegário, Amauri Antonio [UNESP]Antunes, Maria Lucia Pereira [UNESP]Navarro, Guillermo Rafael Beltran [UNESP]Moruzzi, Rodrigo Braga [UNESP]2018-12-11T17:08:23Z2018-12-11T17:08:23Z2017-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://dx.doi.org/10.1007/s11270-016-3208-1Water, Air, and Soil Pollution, v. 228, n. 1, 2017.1573-29320049-6979http://hdl.handle.net/11449/17393010.1007/s11270-016-3208-12-s2.0-850061586712-s2.0-85006158671.pdfScopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengWater, Air, and Soil Pollution0,5890,589info:eu-repo/semantics/openAccess2024-04-10T19:22:25Zoai:repositorio.unesp.br:11449/173930Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T17:26:01.954625Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Adsorption of Ni(II), Pb(II) and Zn(II) on Ca(NO3)2-Neutralised Red Mud |
title |
Adsorption of Ni(II), Pb(II) and Zn(II) on Ca(NO3)2-Neutralised Red Mud |
spellingShingle |
Adsorption of Ni(II), Pb(II) and Zn(II) on Ca(NO3)2-Neutralised Red Mud Pichinelli, Beatriz Cestaro [UNESP] Adsorption Ca(NO3)2-neutralised red mud Environmental management Trace metals |
title_short |
Adsorption of Ni(II), Pb(II) and Zn(II) on Ca(NO3)2-Neutralised Red Mud |
title_full |
Adsorption of Ni(II), Pb(II) and Zn(II) on Ca(NO3)2-Neutralised Red Mud |
title_fullStr |
Adsorption of Ni(II), Pb(II) and Zn(II) on Ca(NO3)2-Neutralised Red Mud |
title_full_unstemmed |
Adsorption of Ni(II), Pb(II) and Zn(II) on Ca(NO3)2-Neutralised Red Mud |
title_sort |
Adsorption of Ni(II), Pb(II) and Zn(II) on Ca(NO3)2-Neutralised Red Mud |
author |
Pichinelli, Beatriz Cestaro [UNESP] |
author_facet |
Pichinelli, Beatriz Cestaro [UNESP] da Silva, Mariana Scicia Gabriel [UNESP] da Conceição, Fabiano Tomazini [UNESP] Menegário, Amauri Antonio [UNESP] Antunes, Maria Lucia Pereira [UNESP] Navarro, Guillermo Rafael Beltran [UNESP] Moruzzi, Rodrigo Braga [UNESP] |
author_role |
author |
author2 |
da Silva, Mariana Scicia Gabriel [UNESP] da Conceição, Fabiano Tomazini [UNESP] Menegário, Amauri Antonio [UNESP] Antunes, Maria Lucia Pereira [UNESP] Navarro, Guillermo Rafael Beltran [UNESP] Moruzzi, Rodrigo Braga [UNESP] |
author2_role |
author author author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Pichinelli, Beatriz Cestaro [UNESP] da Silva, Mariana Scicia Gabriel [UNESP] da Conceição, Fabiano Tomazini [UNESP] Menegário, Amauri Antonio [UNESP] Antunes, Maria Lucia Pereira [UNESP] Navarro, Guillermo Rafael Beltran [UNESP] Moruzzi, Rodrigo Braga [UNESP] |
dc.subject.por.fl_str_mv |
Adsorption Ca(NO3)2-neutralised red mud Environmental management Trace metals |
topic |
Adsorption Ca(NO3)2-neutralised red mud Environmental management Trace metals |
description |
This study aimed to investigate a novel method of red mud neutralisation by Ca(NO3)2 (NRM), keeping its adsorption capacity in relation to natural red mud (RM) for Ni(II), Pb(II) and Zn(II). Results pointed out that the neutralisation process decreases the pH and electrical conductivity values on NRM due to reaction between the carbonate and bicarbonate alkalinity of red mud and calcium from calcium nitrate to form calcite (CaCO3). The maximum adsorption capacity values of RM and NRM, respectively, were 1.78 and 1.79 mmol g−1 for Ni(II), 2.13 and 2.23 mmol g−1 for Pb(II) and 1.14 and 1.06 mmol g−1 for Zn(II). Pseudo-second-order model is the main responsible for the adsorption of these metals on RM and NRM. The adsorption reaction is endothermic and these metals have affinity to RM and NRM. Thus, it is possible to neutralise the red mud with Ca(NO3)2 without adsorption capacity losses of Ni(II), Pb(II) and Zn(II). |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017-01-01 2018-12-11T17:08:23Z 2018-12-11T17:08:23Z |
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/10.1007/s11270-016-3208-1 Water, Air, and Soil Pollution, v. 228, n. 1, 2017. 1573-2932 0049-6979 http://hdl.handle.net/11449/173930 10.1007/s11270-016-3208-1 2-s2.0-85006158671 2-s2.0-85006158671.pdf |
url |
http://dx.doi.org/10.1007/s11270-016-3208-1 http://hdl.handle.net/11449/173930 |
identifier_str_mv |
Water, Air, and Soil Pollution, v. 228, n. 1, 2017. 1573-2932 0049-6979 10.1007/s11270-016-3208-1 2-s2.0-85006158671 2-s2.0-85006158671.pdf |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Water, Air, and Soil Pollution 0,589 0,589 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.source.none.fl_str_mv |
Scopus 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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1808128810963435520 |