Remoção de íons metálicos de soluções aquosas, por apatitas sintéticas, usando o método de troca iônica em coluna
PDF

Keywords

Hidróxiapatota
Carboapatita
Troca catiônica
Metal pesado

How to Cite

de Freitas, J. S., Salomão, G. C., & Gomes, M. de F. T. (2000). Remoção de íons metálicos de soluções aquosas, por apatitas sintéticas, usando o método de troca iônica em coluna. Eclética Química, 25(1), 19–29. https://doi.org/10.26850/1678-4618eqj.v25.1.2000.p19-29

Abstract

Foi investigada a remoção dos íons Al3+, Mn2+, Cu2+, Zn2+, Cd2+ and Pb2 +, em solução aquosa, por apatitas sintéticas usando o método de coluna. Sob as mesmas condições, hidroxiapatitas foram mais seletivas para a remoção de cátions que carboapatitas. Usando hidroxiapatita, a capacidades de troca aumentaram na seguinte ordem: Mn2+ < Zn2+ < Cu2+ < Cd2+ < Al3+ < Pb2+. A seqüência acima é similar a obtida em trabalhos prévios, usando o método de batelada. Análises de DRX e IV indicaram a formação de uma fase única atribuída a uma Pb-apatita.

https://doi.org/10.26850/1678-4618eqj.v25.1.2000.p19-29
PDF

References

ALLRED, A. L. Electronegativity values from thermochemical data. J. Inorg. Nucl. Chem., v.17, p. 215-21, 1961. [ Links ]

AOBA, T; MORENO, E. C. Preparation of Hydroxyapatite Crystals and their Behavior as Seeds for Crystal Growth. J. Dent. Res., v.63, p.874-80, 1984. [ Links ]

ASADA, M.; MIURA, Y.; OSAKA, A. et al. Hydroxyapatite Cristal Growth on Calcium Hydroxyapatite Ceramics". J. Mater. Sci., v. 23, p. 3202-3205, 1988. [ Links ]

BARROUG, A.; REY, C.; TROMBE, J. C. et al. Sur la Préparation en Milie Aqueux d’une Apatite Carbonatée de Type AB Comparable à l’Émail Dentaire. C. R. Acad. Sc.Paris, v. 292, 303-306, 1981. [ Links ]

BIGI, A.; RIPAMONTI, A.; BRÜCKNER, S. et al. Structure Refinements of Lead-Substituted Calcium Hydroxyapatite by X-ray Powder Fitting. Acta Cryst., v. B45, p. 247-251, 1989. [ Links ]

BONEL, G. Contribution a L’Étude de la Carbonatation des Apatites - I. Ann. Chim. v. 7, 65-88, 1972. [ Links ]

BONEL, G. Contribution a L’Étude de la Carbonatation des Apatites - II e III. Ann. Chim. v. 7, 127-144, 1972. [ Links ]

CARVALHOSA, V. M.; GOMES, M. F. T. Removal of Heavy-metal Ions by Hidroxyapatite. In: IXa Brazilian Meeting on Inorganic Chemistry, Angra dos Reis, RJ, Abstracts, p. 163-64, 1998. [ Links ]

CHEN, X.; WRIGHT, J. V.; CONCA, J. L. et al. Effects of pH on Heavy Metal Sorption on Mineral Apatite. Environ. Sci. Technol., v. 31, 624-31, 1997. [ Links ]

CHEN, X.; WRIGHT, J. V.; CONCA, J. L. et al. Evaluation of Heavy Metal Remediation Using Mineral Apatite. Water, Air and Soil Polluttion, v. 98, p. 57-78, 1997. [ Links ]

ELLIOT, J. C. In Structure and Chemistry the Apatites and Other Calcium Ortophosphates (Studies in Inorganic Chemistry 18): London, Ed. Elsevier; 1994. [ Links ]

Index (Inorganic) to the Power Diffraction File; J. Smith, Ed.; ASTM, 1966. [ Links ]

JARCHO, M.; BOLEN, C. H.; THOMAS, M. B. et al. Hydroxylapatite Synthesis and Characterization in Dense Polycrystalline Form. J. Mater. Sci., v. 11, p. 2027-35, 1976. [ Links ]

JEANJEAN, J.; VINCENT, U.; FEDEROF, M. Structural Modification of Calcium Hydroxyapatit Inducd by Sorption of Cadmiun Ions. J. Solid State Chem., v.108, p. 68-72, 1994. [ Links ]

LUECK, C. H.; BOLTZ, D. F. "Spectrophotpmetric Study of Modified Heteropoly Blue Method for Phosphorus" Anal. Chem., .28, p. 1168-71, 1956. [ Links ]

MIYAKE, M.; WANATABE, K.; NAGAYAMA, et al. Synthetic Hydroxyapatites as Inorganic Cation Exchangers. J. Am. Soc. Faraday Trans. I, v. 86, p. 2303-6, 1990. [ Links ]

PADILHA, P. F; FREITAS, J. S. de; GOMES, M. F. T. Remoção de Metais Pesados Usando Carboapatita Sintética. Anais Assoc. Bras. Quím., v. 48, p. 98-101, 1999. [ Links ]

PADILHA, P. F; FREITAS, J. S. de; GOMES, M. F. T. Remoção de Zinco, Cádmio e Chumbo Utilizando Carboapatita do Tipo B. In: 22a Reunião Anual da Sociedade Brasileira de Química, Poços de Caldas, MG, Anais da Soc. Bras. Quím., p. A-087, 1999. [ Links ]

REICHERT, J.; BINNER, J. G. P. Evaluation of Hydroxyapatite-based filters for Removal of heavy Metal Ions from Aqueous Solutions. J. Mater. Sci., v. 31, p. 1231- 41, 1996. [ Links ]

SHIMODA, S.; AOBA, T.; MORENO, E.C. et al Effect of Solution Composition on Morphological and Structural Features of Carbonated Calcium Apatites. J. Dent. Res., v. 69, p. 1731-40, 1990. [ Links ]

SUZUKI, T.; HATSUSHIKA, T.; MIYAKE, M. Synthetic Hydroxyapatites as Inorganic Cation Exchangers, Part 1. J. Am. Soc. Faraday Trans. I, v. 78, 3605-11, 1982. [ Links ]

SUZUKI, T.; ISHIGAKI, K.; MIYAKE, M. Synthetic Hydroxyapatites as Inorganic Cation Exchangers Part 3. J. Am. Soc. Faraday Trans. I, v. 80, p. 3157-65, 1984. [ Links ]

TAKEUCHI, Y.; SUZUKI, T.; ARAI, H. A Study of Equilibrium and Mass Transfer in Processes for Removal of Heavy Metal Ions by Hydroxyapatite. J. Chem. Eng. Japan, v. 21, 98-100, 1988. [ Links ]

TANIZAWA, Y.; SAWAMURA, K.; Y.; SUZUKI, T. Reaction Characteristics of Dental and Synthetic Apatites with Al3+ and La3+ Ions in Acidic Solutions. J. Am. Soc. Faraday Trans. I, v. 86, p. 4025-9, 1990. [ Links ]

XU, Y.; SCHWARTZ, F. W.; TRAINA, S. J. Sorption of Zn2+ and Cd2+ on Hydroxyapatite Surfaces. Environ. Sci. Technol., v. 28, p. 1472-80, 1994. [ Links ]

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

Copyright (c) 2018 Eclética Química Journal

Metrics

PDF views
107
Jan 2001Jul 2001Jan 2002Jul 2002Jan 2003Jul 2003Jan 2004Jul 2004Jan 2005Jul 2005Jan 2006Jul 2006Jan 2007Jul 2007Jan 2008Jul 2008Jan 2009Jul 2009Jan 2010Jul 2010Jan 2011Jul 2011Jan 2012Jul 2012Jan 2013Jul 2013Jan 2014Jul 2014Jan 2015Jul 2015Jan 2016Jul 2016Jan 2017Jul 2017Jan 2018Jul 2018Jan 2019Jul 2019Jan 2020Jul 2020Jan 2021Jul 2021Jan 2022Jul 2022Jan 2023Jul 2023Jan 2024Jul 2024Jan 2025Jul 2025Jan 20265.0
|