Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/5270
Title: Effect of ultrasound on the kinetics of cation exchange in NaX zeolite
Authors: Erten Kaya, Yasemin
Çakıcıoğlu Özkan, Fehime
Keywords: Ion exchange
Kinetics
NaX zeolite
Ultrasound
Publisher: Elsevier Ltd.
Source: Erten Kaya, Y. and Çakıcıoğlu Özkan, F. (2012). Effect of ultrasound on the kinetics of cation exchange in NaX zeolite. Ultrasonics Sonochemistry, 19(3), 701-706. doi:10.1016/j.ultsonch.2011.10.010
Abstract: In this study, we focused on the effect of ultrasound on ion exchange kinetics to obtain the Li-, Ca- and Ce-rich NaX zeolite. The results were compared to those obtained from the traditional batch exchange method under similar conditions. Contact time and initial cation concentration (fold equivalent excess) were studied. Ultrasound enhanced the replacement of Na + ion with Li +, Ca 2+ and Ce 3+ ions in the extra-framework of zeolite up to 76%, 72% and 66%, respectively. The intraparticle diffusion is the rate limiting step in the ion exchange for both exchange methods. As compared to the traditional exchange method, the ultrasonic method applied in this study was found to be very effective on the exchange amount at equilibrium.
URI: http://dx.doi.org/10.1016/j.ultsonch.2011.10.010
http://hdl.handle.net/11147/5270
ISSN: 1350-4177
Appears in Collections:Chemical Engineering / Kimya Mühendisliği
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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