Evaluation of the chemical stability of a landfilled primary lead smelting slag

Detalhes bibliográficos
Autor(a) principal: Lima, Luiz Rogério Pinho de Andrade
Data de Publicação: 2013
Outros Autores: Bernardez, L. A.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://repositorio.ufba.br/ri/handle/ri/17175
Resumo: Texto completo: acesso restrito. p.1033-1040
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spelling Lima, Luiz Rogério Pinho de AndradeBernardez, L. A.Lima, Luiz Rogério Pinho de AndradeBernardez, L. A.2015-03-18T13:42:29Z20131866-6280http://repositorio.ufba.br/ri/handle/ri/17175v. 26, n. 68Texto completo: acesso restrito. p.1033-1040A primary lead smelter operating in Santo Amaro, Bahia, Brazil, from 1960 to 1993 generated a large amount of slag that was landfilled close to the former smelter and used in roads and houses as a construction material. To evaluate the stability of the slag classical leaching procedures (TCLP, SWEP and SPLP) were applied. In addition, samples of the slag were placed in contact with HCl, HNO3, HOAc and NaOH solutions for about 24 h at room temperature to simulate acidic and alkaline environments over a wide pH range. In the acidic environment Ca, Fe and Si are strongly solubilized, and Pb and Zn solubilization was significant only below pH 3. The lead slag was also in contact with purified water for a period of 30 days. The results show that Ca and Si were solubilized and Pb, Fe, and Zn were not detected in the solution. The solubilization kinetics are second order processes for both Ca and Si. The initial solubilization rate for Ca and Si are 4.6 and 0.6 mg/L/day, respectively. The main implication of these results is that the major potentially toxic elements of the lead slag landfilled at Santo Amaro were stabilized for a short contact time with pure water and for alkaline and acidic solutions to a pH of about 3 and the groundwater and the surface water contamination found at Santo Amaro smelter region cannot be directly attributed to the landfilled lead slag.Submitted by Edileide Reis (leyde-landy@hotmail.com) on 2015-03-18T12:27:05Z No. of bitstreams: 1 L. R. P. de Andrade Lima.pdf: 448265 bytes, checksum: 384efdbe5f14e44a32c2848c57da1193 (MD5)Approved for entry into archive by LIVIA FREITAS (livia.freitas@ufba.br) on 2015-03-18T13:42:29Z (GMT) No. of bitstreams: 1 L. R. P. de Andrade Lima.pdf: 448265 bytes, checksum: 384efdbe5f14e44a32c2848c57da1193 (MD5)Made available in DSpace on 2015-03-18T13:42:29Z (GMT). No. of bitstreams: 1 L. R. P. de Andrade Lima.pdf: 448265 bytes, checksum: 384efdbe5f14e44a32c2848c57da1193 (MD5) Previous issue date: 2013http://dx.doi.org/10.1007/s12665-012-1805-xreponame:Repositório Institucional da UFBAinstname:Universidade Federal da Bahia (UFBA)instacron:UFBAMetallurgical slagLeadZincBrazilMineralogyPb-metallurgyEvaluation of the chemical stability of a landfilled primary lead smelting slagEnvironmental Earth Sciencesinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article10000-01-01info:eu-repo/semantics/openAccessengORIGINALL. R. P. de Andrade Lima.pdfL. R. 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dc.title.pt_BR.fl_str_mv Evaluation of the chemical stability of a landfilled primary lead smelting slag
dc.title.alternative.pt_BR.fl_str_mv Environmental Earth Sciences
title Evaluation of the chemical stability of a landfilled primary lead smelting slag
spellingShingle Evaluation of the chemical stability of a landfilled primary lead smelting slag
Lima, Luiz Rogério Pinho de Andrade
Metallurgical slag
Lead
Zinc
Brazil
Mineralogy
Pb-metallurgy
title_short Evaluation of the chemical stability of a landfilled primary lead smelting slag
title_full Evaluation of the chemical stability of a landfilled primary lead smelting slag
title_fullStr Evaluation of the chemical stability of a landfilled primary lead smelting slag
title_full_unstemmed Evaluation of the chemical stability of a landfilled primary lead smelting slag
title_sort Evaluation of the chemical stability of a landfilled primary lead smelting slag
author Lima, Luiz Rogério Pinho de Andrade
author_facet Lima, Luiz Rogério Pinho de Andrade
Bernardez, L. A.
author_role author
author2 Bernardez, L. A.
author2_role author
dc.contributor.author.fl_str_mv Lima, Luiz Rogério Pinho de Andrade
Bernardez, L. A.
Lima, Luiz Rogério Pinho de Andrade
Bernardez, L. A.
dc.subject.por.fl_str_mv Metallurgical slag
Lead
Zinc
Brazil
Mineralogy
Pb-metallurgy
topic Metallurgical slag
Lead
Zinc
Brazil
Mineralogy
Pb-metallurgy
description Texto completo: acesso restrito. p.1033-1040
publishDate 2013
dc.date.issued.fl_str_mv 2013
dc.date.accessioned.fl_str_mv 2015-03-18T13:42:29Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
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dc.identifier.uri.fl_str_mv http://repositorio.ufba.br/ri/handle/ri/17175
dc.identifier.issn.none.fl_str_mv 1866-6280
dc.identifier.number.pt_BR.fl_str_mv v. 26, n. 68
identifier_str_mv 1866-6280
v. 26, n. 68
url http://repositorio.ufba.br/ri/handle/ri/17175
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
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dc.source.pt_BR.fl_str_mv http://dx.doi.org/10.1007/s12665-012-1805-x
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reponame_str Repositório Institucional da UFBA
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