Journal
ADVANCED POWDER TECHNOLOGY
Volume 25, Issue 1, Pages 236-243Publisher
ELSEVIER
DOI: 10.1016/j.apt.2013.04.005
Keywords
Fluidization; Binary mixtures; Nanoparticles; Vibro-fluidized bed
Categories
Funding
- National Natural Science Foundation of China [21176266]
- Engineering Research Center of Nuclear Technology Application (East China Institute of Technology), Ministry of Education [HJSJYB2011-15]
- Fundamental Science on Radioactive Geology and Exploration Technology Laboratory, East China Institute of Technology [REGT1213]
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The fluidization behavior of different mixed SiO2, TiO2 and/or ZnO nanoparticles under the application of vibrated fields of constant vibrated frequencies (40 Hz) and amplitude (3.0 mm) is studied. The single nanoparticles experiments show that SiO2 nanoparticles have a better fluidization quality than TiO2 and ZnO nanoparticles. For binary mixtures of the nanoparticles, the amount of SiO2 nanoparticles generally has a beneficial effect on the fluidization quality of the binary mixtures. Using the linear regression, the Richardson-Zaki exponents of three kinds single and their binary mixture of nanoparticles are calculated. The Richardson-Zaki analyses indicate that the particulate fluidization degree of mixed nanoparticles can be greatly improved in agglomerate particulate fluidization (APF) behavior. (C) 2013 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved.
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