Dynamic image analysis of differently milled talc particles and comparison by various methods
- 5 December 2016
- journal article
- research article
- Published by Taylor & Francis Ltd in Particulate Science and Technology
- Vol. 36 (3), 332-339
- https://doi.org/10.1080/02726351.2016.1248261
Abstract
In this study, particle shapes of talc mineral ground by various types of mills were determined using automated dynamic image analyzer by counting averagely 19,000 particles for each mill product. The results were expressed in terms of circularity (C) and bounding rectangle aspect ratio (BRAR). It was concluded that particles created by rod mill had the highest BRAR and the lowest C, while the particles having the highest C and the lowest BRAR were obtained by autogenous milling. The statistical significance of mean shape values of different milled particles was also tested by using one way analysis of variance (ANOVA) and post hoc Tukey test. The ANOVA results showed that there are significant differences among C and BRAR mean values of particles produced by autogenous, ball, and rod mill at 99% level of confidence. The results were in good agreement with the results obtained by other techniques employed previously. Thus, the result of dynamic image analysis (DIA) can be used for quality control of the products of talc mineral as the morphology decides whether specific talc is appropriate for a specific application or not.Keywords
This publication has 19 references indexed in Scilit:
- Effect of comminution on particle shape and surface roughness and their relation to flotation processInternational Journal of Mineral Processing, 2010
- Synthesis of cordierite powder from talc, diatomite and aluminaCeramics International, 2006
- Influence of shape characteristics of talc mineral on the column flotation behaviorInternational Journal of Mineral Processing, 2006
- Rheological study of a talc-based paste for extrusion-granulationJournal of the European Ceramic Society, 2004
- Effects of the shape properties of talc and quartz particles on the wettability based separation processesApplied Surface Science, 2004
- Pharmaceutical and Cosmetic Applications of ClaysPublished by Elsevier BV ,2004
- Particle Shape Modification in ComminutionKONA Powder and Particle Journal, 2002
- Influence of shape and a shape factor of pigment particles on the packing ability in coating layersNordic Pulp & Paper Research Journal, 2000
- Influence of a shape factor of pigment particles on the rheological properties of coating coloursNordic Pulp & Paper Research Journal, 2000
- Particle Size and Shape Effects in Materials Science: Examples from Polymer and Paper SystemsClay Minerals, 1993