Study on the dehydration kinetics of tunellite using non-isothermal methods

被引：6
|
作者：
Yilmaz, Muge Sari [1 ]
Figen, Aysel Kanturk [1 ]
Piskin, Sabriye [1 ]
机构：
[1] Yildiz Tech Univ, Dept Chem Engn, Istanbul, Turkey
来源：
RESEARCH ON CHEMICAL INTERMEDIATES | 2015年 / 41卷 / 04期
关键词：
Tunellite; Dehydration; Kinetic analysis; Isoconversional methods; Piloyan novikova; THERMAL-DECOMPOSITION; ULEXITE;
D O I：
10.1007/s11164-013-1318-6
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The thermal behavior of tunellite has been examined by using thermal analysis data at different heating rates. Coats-Redfern, Horowitz-Metzger, Piloyan-Novikova, Doyle, and isoconversional Ozawa kinetic models have been used for the non-isothermal dehydration kinetic investigation of the mineral. The kinetic parameters are computed using the above-mentioned models for all dehydration stages. In addition, structural characterizations of tunellite are analyzed by using an X-ray diffractometer, an inductive coupled plasma-optical emission spectroscopy, Fourier transform infrared spectroscopy, and a scanning electron microscope.
引用
收藏
页码：1893 / 1906
页数：14
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