Two-fluid spray atomisation and pneumatic nozzles for fluid bed coating/agglomeration purposes: A review

Peter Dybdahl Hede, Poul Bach, Anker Degn Jensen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

In fluid bed processing in the chemical, food or pharmaceutical industries, pneumatic nozzles are typically used to convert binder or coating liquids into droplets. Producing fine droplets from liquids in a gas phase is termed atomisation, and it involves complex phenomena which are not yet fully understood. This paper provides a systematic and up-to-date review of two-fluid nozzle designs and principles together with a presentation of nozzle fundamentals introducing basic nozzle theory and thermodynamics. Correlations for the prediction of mean droplet diameters are reviewed, compared and accompanied by a discussion of their use.
Original languageEnglish
JournalChemical Engineering Science
Volume63
Issue number14
Pages (from-to)3821-3842
ISSN0009-2509
DOIs
Publication statusPublished - 2008

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