Removal Of Cadmium From Dilute Solutions By Hydroxyapatite. I. Sorption Studies
The removal of toxic metals (such as cadmium) was investigated by using hydroxyapatite, an effective inorganic sorbent, at the ultrafine particle size range. In bench-scale experiments performed batchwise, the influence of the main sorption parameters were examined (i.e., solution pH, sorbent and cadmium concentrations, and temperature) and comparison was attempted between demineralized and tap water. Typical adsorption isotherms of the Langmuir type were calculated;Z-potential measurements of the hydroxyapatite particles and the release of calcium(during the process) were also examined and related to possible mechanisms occurring during the cadmium removal process.
Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης, Σχολή Θετικών Επιστημών, Τμήμα Χημείας
Separation Science and Technology, vol.30 no.15  p.2963-2978 [Published Version]
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