Difference between revisions of "Spray drying"
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'''Spray drying''' is a method of producing a dry powder from a liquid or slurry by rapidly drying it with a hot gas. This is the preferred method of drying of many thermally-sensitive materials such as foods and pharmaceuticals. A consistent particle size distribution is a reason for spray drying some industrial products such as catalysts. Air is the heated drying media; however, if the liquid is a flammable solvent such as ethanol or the product is oxygen-sensitive, then nitrogen is used.<ref>{{cite book|url=http://books.google.com/?id=uKOGg1vk61MC&pg=PA710|page=710|title=Handbook of industrial drying|author=A. S. Mujumdar|publisher=CRC Press|year=2007|isbn=1574446681}}</ref> | '''Spray drying''' is a method of producing a dry powder from a liquid or slurry by rapidly drying it with a hot gas. This is the preferred method of drying of many thermally-sensitive materials such as foods and pharmaceuticals. A consistent particle size distribution is a reason for spray drying some industrial products such as catalysts. Air is the heated drying media; however, if the liquid is a flammable solvent such as ethanol or the product is oxygen-sensitive, then nitrogen is used.<ref>{{cite book|url=http://books.google.com/?id=uKOGg1vk61MC&pg=PA710|page=710|title=Handbook of industrial drying|author=A. S. Mujumdar|publisher=CRC Press|year=2007|isbn=1574446681}}</ref> | ||
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Revision as of 23:01, 22 November 2011
Spray drying is a method of producing a dry powder from a liquid or slurry by rapidly drying it with a hot gas. This is the preferred method of drying of many thermally-sensitive materials such as foods and pharmaceuticals. A consistent particle size distribution is a reason for spray drying some industrial products such as catalysts. Air is the heated drying media; however, if the liquid is a flammable solvent such as ethanol or the product is oxygen-sensitive, then nitrogen is used.[1]
References
- ↑ A. S. Mujumdar (2007). Handbook of industrial drying. CRC Press. p. 710. ISBN 1574446681. http://books.google.com/?id=uKOGg1vk61MC&pg=PA710.
