Cleaning Validation of Fermentation Tanks

Satu Salo, Alan Friis, Gun Wirtanen

Research output: Contribution to journalJournal articleResearchpeer-review


Reliable test methods for checking cleanliness are needed to evaluate and validate the cleaning process of fermentation tanks. Pilot scale tanks were used to test the applicability of various methods for this purpose. The methods found to be suitable for validation of the clenlinees were visula observtion of a flourorescent indicator using UV light, a contact agar method and culturing based on swabbing and swiping with non-woven cloths. This can be supported by use of Computation Fluid Dynamics CFD.
Original languageEnglish
JournalFood and Bioproducts Processing
Issue numberC3
Pages (from-to)1-7
Publication statusPublished - 2008


  • cleaning
  • tank cleaning
  • microbial test methods


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