Drying kinetics of thorium oxalate: Experimental investigation and modeling

被引：4
|
作者：
Beigi, Sadegh [1 ]
Sobati, Mohammad Amin [1 ]
Charkhi, Amir [2 ]
机构：
[1] IUST, Sch Chem Engn, Tehran, Iran
[2] Nucl Sci & Technol Res Inst, Nucl Fuel Cycle Res Sch, POB 11365-8486, Tehran, Iran
来源：
PROGRESS IN NUCLEAR ENERGY | 2016年 / 88卷
关键词：
Drying kinetics; Thorium oxalate; Modeling; Moisture diffusivity; FLUIDIZED-BED DRYER; MICROWAVE; AIR; VEGETABLES; PARAMETERS; RICE;
D O I：
10.1016/j.pnucene.2016.01.007
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
In the present study, the drying behavior of thorium oxalate in the temperatures range of 353-393 K was studied to determine drying kinetics and effective moisture diffusivity. Thirteen widely used semi theoretical thin-layer drying models with temperature-dependent constants were selected to describe the drying kinetics. The results revealed that all examined models were acceptable, but Balbay and Sahin model was the best for describing drying kinetics of thorium oxalate. Moreover, the effective moisture diffusivity in the temperature range of 353-393 K varied from 3.68 x 10(-9) to 5.47 x 10(-9) m(2)/s. In addition, the drying activation energy was found to be 11.21 kJ/mol. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：240 / 244
页数：5
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