Transient multi gas-solid reactions in a bubbling fluidized bed

被引：8
|
作者：
Hastaoglu, MA [1 ]
Hilal, N [1 ]
Abdulkarim, M [1 ]
El-Naas, M [1 ]
机构：
[1] United Arab Emirates Univ, Dept Chem & Petr Engn, Al Ain, U Arab Emirates
来源：
CANADIAN JOURNAL OF CHEMICAL ENGINEERING | 2000年 / 78卷 / 03期
关键词：
multi gas-solid reactions; bubbling fluidized bed; particle tracking;
D O I：
10.1002/cjce.5450780301
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A "multimodel" for gas-solid reactions in a reacting particle has been applied to a bubbling fluidized bed reactor. The particle is tracked and bed and particle variables are determined continuously. The conservation equations of mass and heat with auxiliary relations are solved in an accelerating particle, which may rise or fall. The effects of bulk pressure, velocity and temperature, and particle diameter are studied. Heat and mass transfer coefficients may fluctuate up to 75% and 148% respectively. Doubling the pressure changes h(c) by 75% and k(c) by -45%. Increase in pellet diameter reduces both h(c) and k(c).
引用
收藏
页码：433 / 441
页数：9
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