Competitive removal of lead(II) and zinc(II) from a binary aqueous solution on a fixed bed of natural zeolite (CROSBI ID 37109)
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Podaci o odgovornosti
Trgo, Marina ; Perić, Jelena ; Vukojević-Medvidović, Nediljka ; Nuić, Ivona
engleski
Competitive removal of lead(II) and zinc(II) from a binary aqueous solution on a fixed bed of natural zeolite
The column method using a fixed bed of zeolite clinoptilolite was applied to remove lead and zinc ions from binary metal ions solutions. The raw zeolite sample used in this study was obtained from the Vranjska Banja deposit (Serbia) and contained more than 80% of clinoptilolite. The breakthrough curves have an S-shape for the total as well as for the single metal ions in binary solution. Lead and zinc ions bind simultaneously on the zeolite bed, and as the service cycle progresses lead ions displace a great portion of bound zinc. During the regeneration cycle, the quantity of lead desorbed is 15 times higher than the quantity of zinc, which means that mostly lead ions were bound on the zeolite. Breakthrough curves have been interpreted quantitatively by means of the Michaels method, and the results calculated have been compared with the results for single metal ions solutions.
zeolite, lead, zinc, column method, binary solution
Studies in surface science and catalysis. Vol. 174.
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Podaci o prilogu
509-512.
objavljeno
Podaci o knjizi
Zeolited and related materials-trend, targets and challenges
Gédéon, Antoine ; Massiani, Pascale ; Babonneau, Florence
Pariz: Elsevier
2008.
978-0-444-53296-1