Please use this identifier to cite or link to this item: http://repositorio.unifesp.br/handle/11600/4843
Title: Remoção de Pb2+ e Cr3+ em solução por zeólitas naturais associadas a rochas eruptivas da formação serra geral, bacia sedimentar do Paraná
Other Titles: Removal of Pb2+ and Cr3+ from aqueous solution by natural zeolites associated with eruptive rocks from the serra geral formation, Paraná sedimentary basin
Authors: Shinzato, Mirian Chieko [UNIFESP]
Montanheiro, Tarcísio José
Janasi, Valdecir de Assis
Andrade, Sandra
Yamamoto, Jorge Kazuo
Universidade Federal de São Paulo (UNIFESP)
Secretaria do Meio Ambiente do Estado de São Paulo Instituto Geológico
Universidade de São Paulo (USP)
Keywords: natural zeolites
adsorption
heavy metals
Issue Date: 1-Jan-2009
Publisher: Sociedade Brasileira de Química
Citation: SHINZATO, Mirian Chieko et al . Remoção de Pb2+ e Cr3+ em solução por zeólitas naturais associadas a rochas eruptivas da formação serra geral, bacia sedimentar do Paraná. Quím. Nova, São Paulo , v. 32, n. 8, p. 1989-1994, 2009
Abstract: The capacity of natural zeolites and its host rock (dacite) to remove Pb2+ and Cr3+ from aqueous solutions has been investigated. Results showed that both samples prefer to remove Pb2+ instead of Cr3+. Almost 100% of Pb2+ was removed from solutions with concentration until 50 mg L-1 and 100 mg L-1 of this metal, respectively by dacite and zeolite. The equilibrium of metals adsorption process was reached during the first 30 min by both materials. Na+ can be used to recover Pb2+, but not to remove Cr3+ from the treated samples. The Sips model showed a good fit for experimental data of this study.
URI: http://repositorio.unifesp.br/handle/11600/4843
ISSN: 0100-4042
Other Identifiers: http://dx.doi.org/10.1590/S0100-40422009000800002
Appears in Collections:Em verificação - Geral

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