Abstract
Studies of the particle porosity as a function of residence time associated with the crystallization of high surface area burkeite (Na2C03(Na2SO4)2) agglomerates revealed no evidence for Ostwald ripening. However, a significant increase in particle porosity was observed following milling, reflecting particle breakdown and the consequent exposure of more particle surface to the liquid phase. The action of spray drying was found to reverse this trend with the particulates so formed exhibiting a much lower porosity, reflecting the blocking of surface pores by recrystallized material.
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Meenan, P., Roberts, K.J., Yuregir, K.R. et al. The influence of batch processing on the particulate properties of burkeite (Na2CO3(Na2So4)2). J Mater Sci 30, 3115–3122 (1995). https://doi.org/10.1007/BF01209225
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DOI: https://doi.org/10.1007/BF01209225