Abstract
The mercury uptake from aqueous solutions by a mordenite rich tuff from Samos island, Greece, was studied as a function of ionic strength at an initial pH of 5.0±0.2, using 203Hg as a radiotracer. The total mercury concentration was varied from 5.0×10-4 to 5.0×l0-7 mol L-1. The adsorption was described quantitatively by fitting the data to a Langmuir isotherm, while the estimated K d values ranged from 950 to 1600 mL g-1. The dependence of mercury adsorption on the solution ionic strength, suggested a predominantly electrostatic interaction of the adsorbate with the mineral surface.
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© 1999 Springer Science+Business Media Dordrecht
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Soupioni, M., Symeopoulos, B., Athanasiou, J., Gioulis, A., Koutsoukos, P., Tsolis-Katagas, P. (1999). A Preliminary Study of Mercury Uptake by a Greek Zeoliferous Rock. In: Misaelides, P., Macášek, F., Pinnavaia, T.J., Colella, C. (eds) Natural Microporous Materials in Environmental Technology. NATO Science Series, vol 362. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-4499-5_26
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DOI: https://doi.org/10.1007/978-94-011-4499-5_26
Publisher Name: Springer, Dordrecht
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