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Abstract
Spray drying is the most commonly used method in industry to produce powders on a large scale. One of the major problems in spray drying is control of the product particle size distribution since it is very important for most industries; e.g., catalyst, chemicals, foods, pharmaceuticals, ceramics, etc. The objective of this work is to study the effect of the atomizer rotational speed on the product size distribution. In order to obtain the typical particle size distribution of the required product, a specially designed atomizer disk is used in the study. The particle size distributions under atomizer rotating speeds in the 9,000–10,000 rpm range were measured and discussed.
ACKNOWLEDGEMENTS
This project was sponsored by the Scientific Research Foundation for the Returned Overseas Chinese Scholars, Ministry of Personnel of P.R. China and Ministry of Education of P.R. China as well as 948 Program Fund (Project No.: 2006-4-114) and the project from State Scientific and Technical Ministry, P.R. China (Project No.: 2006JG001900).