A large loss of yeast species and even biomass washout is
often observed during the transformation from batch culture
to a continuous culture , which influences treatment
performance in some cases
For example, of the five isolated
yeast species Rhodotorula rubra, C. tropicalis, C. utilis, C.
boidinii and Trichosporon cutaneum, only C. tropicalis ultimately
remained in the aeration tank, possibly due to its optimal
settle-ability