Fluidization behaviors for coating cohesive particles

被引：8
|
作者：
Guo, QJ [1 ]
Li, Y [1 ]
Wang, MH [1 ]
Shen, WZ [1 ]
机构：
[1] Univ Petr, State Key Lab Heavy Petr Proc, Coll Chem & Chem Engn, Dongying 257061, Shandong, Peoples R China
来源：
CHEMICAL ENGINEERING & TECHNOLOGY | 2005年 / 28卷 / 07期
关键词：
D O I：
10.1002/ceat.200500054
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A magnetic fluidized bed is employed for cornstarch particles coating using 2.5 mu m SiO2 fine powder. Such dry coating method can improve the fluidization quality for cornstarch particles, belonging to Geldart C group. The better coating effect is observed by scanning electron microscope (SEM) image when the coating is performed in a magnetic fluidized bed (MFB). Investigations indicate that particles with a surface modification achieve larger bed expansion in comparison to those without surface modification. Coated cornstarch particles have longer collapse times than cornstarch particles.
引用
收藏
页码：752 / 756
页数：5
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