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Grinding of Coriander Seeds: Modeling of Particle Size Distribution and Energy Studies.

Shashidhar, M. G. and Krishna Murthy, T. P. and Girish, K. G. and Manohar, B. (2013) Grinding of Coriander Seeds: Modeling of Particle Size Distribution and Energy Studies. Particulate Science and Technology, 31. pp. 449-457.

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Coriander seeds were ground in an impact type hammer mill and a pin mill to study the pattern of particle size distribution and their relationship with energy consumption. The particle size distribution for all samples was best described by the Rosin-Rammler- Bennett (RRB) and model with high degree of correlation coefficient compared to the Gaudin-Shumann (GS) model and Log-normal function. Particle size distribution was also characterized by various size parameters such as: uniformity index, size range variation coefficient, mass relative span, skewness, kurtosis, size guide number, coefficient of uniformity, and the coefficient of gradation and geometric standard deviation. Energy consumption for grinding was studied based on classical grinding laws, namely, Bond’s, Rittenger’s and Kick’s law. Bond’s Work index varied from 0.5 to 4.3 kJ kg�1 depending on the size reduction ratio. Energy consumption followed a linear relationship with size reduction ratio.

Item Type: Article
Uncontrolled Keywords: Bond’s law, coriander, grinding, Kick’s law, particle size distribution, Rittinger’s law, Rosin-Rammler-Bennett, work index
Subjects: 600 Technology > 08 Food technology > 30 Spices/Condiments
600 Technology > 08 Food technology > 04 Milling
600 Technology > 08 Food technology > 05 Processing and Engineering
Divisions: Food Engineering
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 29 Jul 2013 10:34
Last Modified: 01 Jul 2015 11:47
URI: http://ir.cftri.res.in/id/eprint/11254

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