Modeling of the Precipitation Process in a Rotating Packed Bed and Its Experimental Validation

向阳; 文利雄; 初广文; 邵磊; 肖光庭; 陈建峰

doi:10.1016/S1004-9541(08)60350-X

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Modeling of the Precipitation Process in a Rotating Packed Bed and Its Experimental Validation

Updated：2026-01-06

- Modeling of the Precipitation Process in a Rotating Packed Bed and Its Experimental Validation
- Chinese Journal of Chemical Engineering Vol. 18, Issue 2, Pages: 249-257(2010)
- Affiliations：
  
  1. Research Center of the Ministry of Education for High Gravity Engineering and Technology, Beijing University of Chemical Technology,Beijing,China,100029
  2. Key Laboratory for Nanomaterials, Ministry of Education, Beijing University of Chemical Technology,Beijing,China,100029
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(08)60350-X
  CLC：
- Published：2010
- Accepted：
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XIANG Yang, WEN Lixiong, CHU Guangwen, SHAO Lei, XIAO Guangting, CHEN Jianfeng. Modeling of the Precipitation Process in a Rotating Packed Bed and Its Experimental Validation[J]. , 2010, 18(2): 249-257.
DOI：

XIANG Yang, WEN Lixiong, CHU Guangwen, SHAO Lei, XIAO Guangting, CHEN Jianfeng. Modeling of the Precipitation Process in a Rotating Packed Bed and Its Experimental Validation[J]. , 2010, 18(2): 249-257. DOI： 10.1016/S1004-9541(08)60350-X.

摘要

Abstract

A mixing-precipitation model based on the modified coalescence-redispersion model was presented to describe the flow

mixing

nucleation and growth in a rotating packed bed(RPB).The model was coupled with population balance

mass balance and crystallization kinetics.It predicted well the influence of coalescence prob-ability

which represents the mixing intensity among droplets

on the particle number density

supersaturation and mean particle size of the produced precipitates.The effects of the radial thickness of packing

liquid flow rate and rotating speed on the product particle size were also investigated.The results indicate that the needed radial length of packing is short for sparingly soluble substance precipitation(about 40-50 mm in this work)

and the mean parti-cle size of precipitates decreases with the increase of rotating speed and liquid flow rate

respectively.The validity of this model was verified by experiment on BaSO

precipitation in RPB.

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