Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/2339
Title: Thermal stability of Ag-exchanged clinoptilolite rich mineral
Authors: Akdeniz, Yelda
Ülkü, Semra
Akdeniz, Yelda
Ülkü, Semra
Izmir Institute of Technology. Chemical Engineering
Keywords: Minerals
Ag-clinoptilolite
Heating rate
Microwave
Particle size
Issue Date: Dec-2008
Publisher: Springer Verlag
Source: Akdeniz, Y., and Ülkü, S. (2008). Thermal stability of Ag-exchanged clinoptilolite rich mineral. Journal of Thermal Analysis and Calorimetry, 94(3), 703-710. doi:10.1007/s10973-008-9358-7
Abstract: Thermal stability of clinoptilolite rich mineral from Western Anatolia, Turkey and its Ag-exchange forms was investigated. Parent mineral of different sizes were heated up to 1000°C with heating rate of 2 and 10°C min -1 using differential thermal analyzer (DTA) and thermogravimetric analyzer (TG). Ag exchange was conducted both in conventional constant temperature waterbath and microwave at 40, 60 and 80°C. The exchanged minerals were then characteized by scanning electron microscopy (SEM), X-ray diffractometry (XRD), Fourier transform infrared spectroscopy (FTIR), DTA and TG. The particle size and heating rate do not have significant effect on the thermal behavior of the parent mineral and no structural changes were observed with Ag exchange, only decomposition temperature was lowered. It was finally concluded that, Ag-exchanged clinoptilolite rich minerals were less thermally stable compared to parent mineral that does not affect their use for possible applications.
URI: http://doi.org/10.1007/s10973-008-9358-7
http://hdl.handle.net/11147/2339
ISSN: 1388-6150
1388-6150
Appears in Collections:Chemical Engineering / Kimya Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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