understand that slime formation is often the most difficult microbiological problem in a papermaking process.
understand that bacteria living in biofilms on surfaces are more difficult to control than free-swimming bacteria.
understand that only some bacteria make biofilms in process conditions and a low microbe count in the water phase does not guarantee surface cleanliness.
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Authors & references
Authors:
Jaakko Ekman and Marko Kolari, Kemira Oyj
References:
Flemming H-C, Meier M and T Schild (2013). Mini-review: microbial problems in paper production. Biofouling: The Journal of Bioadhesion and Biofilm Research, DOI:10.1080/08927014.2013.798865
Hall-Stoodley L, Costerton JW, Stoodley P (2004). Bacterial biofilms: from the natural environment to infectious diseases. Nat. Rev. Microbiol 2 95–108
Kolari, M., Paper machine microbiology (Chapter 6) In Alén, R. (Ed.), Papermaking Chemistry, Book 4). Papermaking Science and Technology. 2nd ed. Finnish Paper Engineers’ Association /Paperi ja Puu Oy. Jyväskylä, 2007.ISBN 978-952-5216-24-0
Ekman J, Kosonen M, Jokela S, Kolari M, Korhonen P, Salkinoja Salonen M (2007). Detection and quantitation of colored deposit-forming Meiothermus spp. in paper industry processes and end products. J Ind Microbiol Biotechnol 34:203–211
Kolari M, Nelson M, Keegan K, Ekman J. Effective Biofilm Control for Maximized Runnability with Minimized Corrosion Concerns Monitored On-line. Proceedings of Tappi PaperCon 2017.