Optimum Kinetic Parameters of Mefenamic Acid Crystallization by PBM


Mefenamic acid (MA) is a high-dose, anti-inflammatory, analgesic agent that is widely prescribed for pain related to menstrual disorders. It has some negative properties, such as a high hydrophobicity with a propensity to stick to surfaces, and possess great problems during granulation and tableting. Crystallization kinetics was investigated for mefenamic acid. Availability of data on the kinetics of crystal growth is very important for the development and operation of industrial crystallisation processes. The experiments for the measurement of crystal growth kinetics were carried out using the desupersaturation curve technique based on the measurement of the solution concentration versus time in a seeded isothermal batch experiment. To predict the optimum parameters (b, kb, g, kg) for the nucleation and growth kinetics from the desupersaturation curve obtained, the Population Balance Modelling was used and solved by the method of moments. The initial values for the optimisation problem were estimated by using the approach developed by Garside et al. (1982) [1].

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S. Cesur and C. Yaylaci, "Optimum Kinetic Parameters of Mefenamic Acid Crystallization by PBM," Journal of Crystallization Process and Technology, Vol. 2 No. 3, 2012, pp. 81-95. doi: 10.4236/jcpt.2012.23011.

Conflicts of Interest

The authors declare no conflicts of interest.


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