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Updated: May 4, 2026

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Removal of heavy metals from aqueous solution using platinum nanopartcles/Zeolite-4A
Sofia Mehdizadeh, Sodeh Sadjadi1, Seyed Javad Ahmadi
1Nuclear fuel cycle school, Nuclear Science and Technology Research Institute, Tehran, Iran. sadjadi.s.s@gmail.com.
Abstract:
The effects of varying operating conditions on metals removal from aqueous solution using a novel platinum nanopartcles/Zeolite-4A adsorbent are reported in this paper. Characterization of the adsorbent showed successful production of platinum nanopartcles on Zeolite-4A using 3 Wt% platinum. The effects of operation conditions on metals removal using this adsorbent were investigated. The optimal metals adsorption was observed at pH 7, 0.1 g/10 mL dosage and 30 min contact time. Sorption data have been interpreted in terms of Langmuir and Freundlich isotherms.
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