Influence of surface ionization on the adsorption of aqueous mercury chlorocomplexes by activated carbons

Detalhes bibliográficos
Autor(a) principal: Nabais, Joao
Data de Publicação: 1998
Outros Autores: Carrott, Peter, Ribeiro Carrott, Manuela
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10174/2631
Resumo: The adsorption of aqueous mercury species from chloride solutions on a number of activated carbons has been studied. It was found that whereas the adsorption of neutral HgCl, or positive Hg’+ was very low, significant quantities of the tetrachloromercury(I1) complex, HgCI$-, were adsorbed. Adsorption isotherms of this complex were measured at different pH values, and the results analysed by the Langmuir equation and by a simple surface ionization and specific adsorption model in order to obtain estimates of the adsorption stoichiometry and the mean free energy of adsorption.
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spelling Influence of surface ionization on the adsorption of aqueous mercury chlorocomplexes by activated carbonsMercury adsorptionActivated carbonThe adsorption of aqueous mercury species from chloride solutions on a number of activated carbons has been studied. It was found that whereas the adsorption of neutral HgCl, or positive Hg’+ was very low, significant quantities of the tetrachloromercury(I1) complex, HgCI$-, were adsorbed. Adsorption isotherms of this complex were measured at different pH values, and the results analysed by the Langmuir equation and by a simple surface ionization and specific adsorption model in order to obtain estimates of the adsorption stoichiometry and the mean free energy of adsorption.2011-03-16T10:20:26Z2011-03-161998-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article62228 bytesapplication/pdfhttp://hdl.handle.net/10174/2631http://hdl.handle.net/10174/2631eng11-17Carbon36livreCQEjvn@uevora.ptpeter@uevora.ptmanrc@uevora.pt252Nabais, JoaoCarrott, PeterRibeiro Carrott, Manuelainfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2024-01-03T18:36:47Zoai:dspace.uevora.pt:10174/2631Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T00:57:10.955282Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Influence of surface ionization on the adsorption of aqueous mercury chlorocomplexes by activated carbons
title Influence of surface ionization on the adsorption of aqueous mercury chlorocomplexes by activated carbons
spellingShingle Influence of surface ionization on the adsorption of aqueous mercury chlorocomplexes by activated carbons
Nabais, Joao
Mercury adsorption
Activated carbon
title_short Influence of surface ionization on the adsorption of aqueous mercury chlorocomplexes by activated carbons
title_full Influence of surface ionization on the adsorption of aqueous mercury chlorocomplexes by activated carbons
title_fullStr Influence of surface ionization on the adsorption of aqueous mercury chlorocomplexes by activated carbons
title_full_unstemmed Influence of surface ionization on the adsorption of aqueous mercury chlorocomplexes by activated carbons
title_sort Influence of surface ionization on the adsorption of aqueous mercury chlorocomplexes by activated carbons
author Nabais, Joao
author_facet Nabais, Joao
Carrott, Peter
Ribeiro Carrott, Manuela
author_role author
author2 Carrott, Peter
Ribeiro Carrott, Manuela
author2_role author
author
dc.contributor.author.fl_str_mv Nabais, Joao
Carrott, Peter
Ribeiro Carrott, Manuela
dc.subject.por.fl_str_mv Mercury adsorption
Activated carbon
topic Mercury adsorption
Activated carbon
description The adsorption of aqueous mercury species from chloride solutions on a number of activated carbons has been studied. It was found that whereas the adsorption of neutral HgCl, or positive Hg’+ was very low, significant quantities of the tetrachloromercury(I1) complex, HgCI$-, were adsorbed. Adsorption isotherms of this complex were measured at different pH values, and the results analysed by the Langmuir equation and by a simple surface ionization and specific adsorption model in order to obtain estimates of the adsorption stoichiometry and the mean free energy of adsorption.
publishDate 1998
dc.date.none.fl_str_mv 1998-01-01T00:00:00Z
2011-03-16T10:20:26Z
2011-03-16
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dc.identifier.uri.fl_str_mv http://hdl.handle.net/10174/2631
http://hdl.handle.net/10174/2631
url http://hdl.handle.net/10174/2631
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 11-17
Carbon
36
livre
CQE
jvn@uevora.pt
peter@uevora.pt
manrc@uevora.pt
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