title: An investigation into the possible use of hydrocyclones for the removal of yeast from beer.
abstract: This investigation has focused on the importance of hydrocyclone design and running conditions for the removal of yeast from suspensions. Experiments have been carried out using both a model system of yeast grown in suspension cultures and rough beer. It appeared that the most important factor was the design of the hydrocyclone with a positive correlation between higher residence times and acceleration with the efficiency of separation. The other factor that affected the separation efficiency was the concentration of the yeast suspension and a new phenomenon of a lower efficiency of hydrocyclones at very low feed concentrations has been observed. The separation efficiency was also affected by temperature with lower temperatures giving poorer separations.
authors.affiliation: Department of Mechanical Engineering, University of Southamptom, Highfield, UK.
authors.forename: H
authors.initials: H
authors.lastname: Yuan
authors.forename: D
authors.initials: D
authors.lastname: Rickwood
authors.forename: I C
authors.initials: IC
authors.lastname: Smyth
authors.forename: M T
authors.initials: MT
authors.lastname: Thew
mesh_terms: D001515:Beer / Q000382:microbiology*; D005516:Food Microbiology; D005524:Food Technology / Q000295:instrumentation*; D012441:Saccharomyces cerevisiae / Q000302:isolation & purification*