Abstract
A new method of drying aqueous solutions at low temperatures is presented. The new method is based on water vapour compression and is operating in vacuum. The energy savings compared to traditional spray drying systems are up to 90%.
A test plant with a capacity of 100 kg solution per hour has been operating since the autumn of 1991 at DTI. Test results are presented and a cycloid water vapour compressor is described.
The test plant shows satisfactory results. The drying tests have shown that with the use of mechanical water vapour compression it is possible to dry substances that until now has not been possible to dry.
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References
Baumann R., Leistung von Walzentrocknern, Chemie-Ing.Techn. 10/1952, page 607–617 (in German).
Frank Elefsen and Karsten Pedersen, Energiøkonomisk Metode til Inddampning af Koncentrerede Vandige Opløsninger af Temperaturfølsomme produkter. EFP87 in Danish with English summary.
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© 1993 ECSC, EEC, EAEC, Brussels and Luxembourg
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Minds, G., Nyvad, J. (1993). New Drying Methods for Aqueous Solutions at Low Temperatures. In: Pilavachi, P.A. (eds) Energy Efficiency in Process Technology. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-1454-7_17
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DOI: https://doi.org/10.1007/978-94-011-1454-7_17
Publisher Name: Springer, Dordrecht
Print ISBN: 978-1-85861-019-1
Online ISBN: 978-94-011-1454-7
eBook Packages: Springer Book Archive