Aggregation and fragmentation of agglomerates in a fluidized bed of mixed nanoparticles by adding FCC coarse particles

Hongbing Mo; Bao Xu; Chuanbao Luo; Tao Zhou; Jiangrong Kong

doi:10.1016/j.cjche.2018.02.011

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Aggregation and fragmentation of agglomerates in a fluidized bed of mixed nanoparticles by adding FCC coarse particles

Catalysis, Kinetics and Reaction Engineering | Updated：2026-01-06

- Aggregation and fragmentation of agglomerates in a fluidized bed of mixed nanoparticles by adding FCC coarse particles
- Chinese Journal of Chemical Engineering Vol. 26, Issue 12, Pages: 2531-2536(2018)
- Affiliations：
  
  Hunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese Resources, College of Chemistry and Chemical Engineering, Central South University,Changsha,China,410083
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.02.011
  CLC：
- Published：2018
- Accepted：
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Hongbing Mo, Bao Xu, Chuanbao Luo, Tao Zhou, Jiangrong Kong. Aggregation and fragmentation of agglomerates in a fluidized bed of mixed nanoparticles by adding FCC coarse particles[J]. Chin.J.Chem.Eng., 2018, 26(12): 2531-2536.
DOI：

Hongbing Mo, Bao Xu, Chuanbao Luo, Tao Zhou, Jiangrong Kong. Aggregation and fragmentation of agglomerates in a fluidized bed of mixed nanoparticles by adding FCC coarse particles[J]. Chin.J.Chem.Eng., 2018, 26(12): 2531-2536. DOI： 10.1016/j.cjche.2018.02.011.

摘要

Abstract

In this study

the influence of fluid cracking catalyst (FCC) on the fluidization behavior of ZnO-CuO binary nanoparticles was systematically investigated by varying FCC size. High-speed camera was employed to analyze the collision and fragmentation process of agglomerates with adding FCC coarse particles. It can be found from photographs by the camera that fluidization performance improved by the agglomerate variation that is bound to be shaped a compact and spherical structure. Furthermore

the result of agglomeration composition analysis showed that uniform mixing of nanoparticles remarkably affected the fluidization behavior of ZnO-CuO binary system. Finally

the improvement of fluidization performance can be justified by the analysis of inter-cohesive force between the two agglomerates with sharp reduction of the newly-formed agglomerates.

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