Bulletin of the Society of Sea Water Science, Japan
Online ISSN : 2185-9213
Print ISSN : 0369-4550
ISSN-L : 0369-4550
Studies on Super Large Particle Size Salt Production by Internal Cooling-type Crystal Classifying Crystallizer
Akihiko KAMISAKAKoichi NISHIOKAMinoru ISHIIHiroshi TAKEMOTO
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1996 Volume 50 Issue 2 Pages 89-97

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Abstract

At present, 3-5mm particle size salt is produced by an evaporator crystal classifying crystallizer (OSLO type) or a conical crystal classifying crystallizer. Only a few technical reports or documents are available on salt production systems yielding particle sizes larger than 3-5 mm, such as an old test report by the HOUFU Salt Manufacturing Laboratory. The reasons for the lack of research and development by companies in this field are: 1) technical difficulties; 2) production costs; and 3) low demand. Furthermore, problems exist in product quality (shape, purity), which is the most important aim of the crystallization process generally. Satisfactory results on the test production of super large particle size salt were obtained, and 15mm diameter salt was obtained which was larger than the 10 mm size targeted initially.

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