| Effect of Grinding on De-Hydroxylation
Behaviour of Diaspore |
S. Sakthivelu, P. Manohar, V. Ramamurthi and M. Balasubramaniam
Pages : 211-214
DOI :10.1080/0371750X.2006.11012303 |
| Abstract |
| The natural diaspore from Jhansi, India was ground in a pot mill in different conditions (dry and wet). The wet grinding was carried out in different media (acidic, basic and neutral) and with deflocculated aqueous diaspore suspension (60 wt%). The sodium polymethacrylate salt (mol. wt. 1200 g.mol–1) was used as the dispersant. The range of particle size of diaspore at which a limit of the grindability exists was also investigated. The effect of grinding on the thermal behaviour of dehydration and a-transformation was examined by means of differential thermal analysis (DTA), thermogravimetry (TG) techniques. |
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