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Zinc uptake by adsorption from zinc-spiked acid rock drainage (ARD) on natural clinoptilolite was investigated in a slurry bubble column. The effects of contact time, adsorbent particle size, initial aqueous zinc concentration, adsorbent dosage and initial solution pH on zinc immobilization were examined. Langmuir and Freundlich adsorption isotherm equations were fitted to the experimental data. Finer...
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