Paper Title:
Manufacture of Fine AL2O3 Granules as Catalyst Carrier by an Extrusion/Spheronization Method
  Abstract

The effect of formulation (filler’s kind and amount, liquid’s kind and concentration required for granulation) and spheronization time on characterization of alumina based pellets parameters (pellets size distribution, roundness and aspect ratio) were investigated. Two schemes were successfully proofed by extrusion/spheronization. The mean volume particle diameter was found to have a profound effect on the formulation and processing parameters. Alumina powder with large mean volume particle diameter showed different mechanism of action with coupling agent. With the surface modification, the water required for granulation had decreased. The existing formal and kinematic velocity of the water had a direct effect on the processing parameter of the extrusion and spheronization. Spheronization time from 2 to 10 min had a pronounced effect on roundness and aspect ratio. No changes in roundness and aspect ratio were observed from 10 to 20 min of spheronization time.

  Info
Periodical
Advanced Materials Research (Volumes 44-46)
Edited by
Z.Y. Shen, M.N. James, W.D. Li, and Y.X. Zhao
Pages
361-366
DOI
10.4028/www.scientific.net/AMR.44-46.361
Citation
R. S. Zhang, J.Z. Pan, L.W. Wang, "Manufacture of Fine AL2O3 Granules as Catalyst Carrier by an Extrusion/Spheronization Method", Advanced Materials Research, Vols. 44-46, pp. 361-366, 2008
Online since
June 2008
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Price
$32.00
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