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Adsorption was measured and compared for the uptake of zinc, iron, lead, copper and ammonium onto clinoptilolite- and mordenite-rich tuffs of Slovakian and Chinese origin for both the natural and near homoionic Na form as well, using the radioanalytical and spectrometric determination. The higher quality of Slovakian clinoptilolite-rich tuff has been proven to be effective for a potential lead and...
Batch adsorption experiments were carried out to study the kinetics and thermodynamics of phosphate removal from model solutions on the surfaces of some selected adsorbents. The data obtained were analyzed using two reaction-based kinetic models and a diffusion-based model. In order to examine the extent to which diffusion participates in this adsorption process, the data were processed by the Weber-Morris...
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