Effect of operational parameters on the breakage mechanism of silica in a jet mill.

Palaniandy, Samayamutthirian, Azizli, Khairun Azizi Mohd, Hussin, Hashim and Hashim, Syed Fuad Saiyid (2008) Effect of operational parameters on the breakage mechanism of silica in a jet mill.. Minerals Engineering., 21 5: 380-388.


Author Palaniandy, Samayamutthirian
Azizli, Khairun Azizi Mohd
Hussin, Hashim
Hashim, Syed Fuad Saiyid
Title Effect of operational parameters on the breakage mechanism of silica in a jet mill.
Journal name Minerals Engineering.  (ERA 2012 Listed)    (ERA 2010 Rank A*)   Check publisher's open access policy
Publication date 2008-04
Sub-type Article
DOI 10.1016/j.mineng.2007.10.011
Volume number 21
Issue number 5
ISSN 0892-6875; 1872-9444
Start page 380
End page 388
Total pages 9
Place of publication Oxford, England, U. K.
Publisher Pergamon
Language eng
Formatted abstract Fine grinding of silica was carried out in a jet mill, varying operational parameters such as feed rate, classifier rotational speed and grinding pressure. The size reduction of silica was intensive as the jet mill is energy intensive. Abrasive and destructive breakage mechanisms took place varying according to the operating conditions of the jet mill. The minimum particle size obtained was 3.15 μm with a span value of 1.30. The circularity value of the ground silica ranged from 1.29 to 2.02. Particles ground at lower grinding pressure exhibited more or less spherical shapes whilst at higher grinding pressure, elongated particles with sharp edges were produced. © 2007 Elsevier Ltd. All rights reserved.
Keyword Comminution
Fine particle processing
Grinding
Industrial minerals
Particle morphology
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article
Collections: Julius Kruttschnitt Mineral Research Centre Publications
ERA 2012 Admin Only
 
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Created: Tue, 22 Nov 2011, 11:16:10 EST by Karen Holtham on behalf of Julius Kruttschnitt Mineral Research Centre