Some fluidization characteristics of biological beds

descriptionPublicationkeyboard_double_arrow_right Article 01 May 1983 English Publisher:WileyJournal:Biotechnology and Bioengineering, volume 25, pages 1,321-1,330 (issn: 0006-3592, eissn: 1097-0290,

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Authors: S W, Hermanowicz; J J, Ganczarczyk;

doi: 10.1002/bit.260250512

pmid: 18548762

Some fluidization characteristics of biological beds

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Abstract

AbstractThe free‐fall terminal velocity of particles coated with a nitrifying biofilm was investigated. The drag force exerted by the liquid on a biocoated particle was found larger than that for an uncoated particle. A new formula for the drag coefficient was proposed. The wet density of biofilm was estimated as 1.14 g/cm3. A proposed modification of the Zaki‐Richardson method was successfully used for calculations of the porosity of a fluidized bed.

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