1995
DOI: 10.1016/0169-1317(94)00027-n
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Interaction between montmorillonite and pollutants from industrial waste-waters: exchange of Zn2+ and Pb2+ from aqueous solutions

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Cited by 64 publications
(35 citation statements)
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“…The d 001 values decrease progressively from ~14.9 A obtained for native samples with Ca 2+ as the prevailing cation to values in the 12.6-13.2 A range for smectites with heavy metal cations which are less hydrated than Ca 2+ . These numbers are in accord with the data of Auboiroux et al (1996) and Brigatti et al (1995) for Pb 2+ and Zn 2+ -saturated Wyoming and Cheto montomorillonites, respectively. The change in d 001 is a function ion exchange also depending on solution concentration or heavy metal cation content available for ion exchange.…”
Section: Adsorption Isothermssupporting
confidence: 80%
“…The d 001 values decrease progressively from ~14.9 A obtained for native samples with Ca 2+ as the prevailing cation to values in the 12.6-13.2 A range for smectites with heavy metal cations which are less hydrated than Ca 2+ . These numbers are in accord with the data of Auboiroux et al (1996) and Brigatti et al (1995) for Pb 2+ and Zn 2+ -saturated Wyoming and Cheto montomorillonites, respectively. The change in d 001 is a function ion exchange also depending on solution concentration or heavy metal cation content available for ion exchange.…”
Section: Adsorption Isothermssupporting
confidence: 80%
“…Zn z+ and Pb 2+ follow Langmuir-type exchange, with Zn preferred slightly to Pb (Brigatti et al, 1995). Adsorption of Zn 2+ and Cd 2+ by smectites might be improved by heat treatment (Pradas et al, 1994).…”
Section: Introductionmentioning
confidence: 99%
“…Trabalhos envolvendo o estudo da remoção de metais pesados pelos aluminossilicatos na presença de compostos iônicos ou eletrólitos, capazes de manter constante a força iônica do meio, foram muito desenvolvidos nos últimos anos [61][62][63][64][65][66][67] , apresentam carga positiva sendo, por isso, mais atraídas pela argila.…”
Section: Presença De Eletrólitosunclassified