Distribution of Phase Holdups in the Adsorption Process of Activated Carbon Fibers with Fluidization

Journal of South China University of Technology(Natural Science Edition) ›› 2004, Vol. 32 ›› Issue (7): 47-50.

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Distribution of Phase Holdups in the Adsorption Process of Activated Carbon Fibers with Fluidization

Zhang Xiao-ping¹ Chen Shui-xie²

1．Dept．of Environmental Science and EngineeringSouth China Univ．of Tech．Guangzhou5106410GuangdongChina；
2．Key Laboratory of Polymeric Composite＆Functional Materialsthe Ministry of EducationSun Yat -sen Univ．Guangzhou510275GuangdongChina

Received:2003-12-23 Online:2004-07-20 Published:2015-09-09
Contact: 张小平（1962－）男博士后副教授主要从事资源回收和综合利用的研究． E-mail:xpzhang＠scut.edu.cn
About author:张小平（1962－）男博士后副教授主要从事资源回收和综合利用的研究．

Abstract

Abstract: The axial distribution of phase holdups in the adsorption process of the sisa- l based activated carbon fibers in various operating conditions was determined by measuring the pressure drop and sampling．The experiments were car-ried out in a three-phase fluidized bed with the height of1200mm and the internal diameter of40mm．The results indi -cate thatat a certain gas velocity and a liquid velocitythe gas holdup increases with the increase of bed heightwhile the liquid and solid holdups decrease graduallyand thatat a certain liquid velocitythe mixing extent in the bed im-proves with the increase of gas velocitywhile at a certain gas velocitythe segregation extent in the bed increases with liquid velocity．The obtained results provide a basis for the scale-up and operation of the recovery of noble metals by activated carbon fibers in fluidized beds．

Key words: , three-phase fluidization；activated carbon fiber；hydrodynamics；axial distribution

Zhang Xiao-ping Chen Shui-xie. Distribution of Phase Holdups in the Adsorption Process of Activated Carbon Fibers with Fluidization[J]. Journal of South China University of Technology(Natural Science Edition), 2004, 32(7): 47-50.

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Distribution of Phase Holdups in the Adsorption Process of Activated Carbon Fibers with Fluidization

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