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|Title:||Effect of pH and temperature on Hg2+ water decontamination using ETS-4 titanosilicate|
|Author:||Lopes, Cláudia B.|
Silva, Carlos Manuel
Duarte, Armando C.
Mercury (II) removal
|Abstract:||Batch stirred tank experiments were carried out to study the effect of pH (range 2-10, at 294 K) and temperature (277, 294 and 313 K, at pH 5) on the uptake of Hg(2+) ions by ETS-4 microporous titanosilicate. Changes in the pH have a significant effect on the ETS-4 uptake efficiency, the optimal range being 4-6. Due to competition effects, the chemical used to adjust the pH of the Hg(2+) solution also influences the uptake efficiency. Thermodynamic parameters for the uptake of Hg(2+) ions were calculated. For the temperature range studied, the Hg(2+) sorption increased with decreasing temperature.|
|Appears in Collections:||CESAM - Artigos|
CICECO - Artigos
DQ - Artigos
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|Lopes et al. - 2010 - Effect of pH and temperature on Hg2+ water deconta.pdf||719.33 kB||Adobe PDF|
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