In order to investigate effect of the SOFTRON
CUBE on organic removal under the condition of
low MLSS, mixed liquor of 50 liters of each reactor
was withedrawn and reolaced withe 50 liters of
the synthetic wastewater in both reactor at every
24 hours, which is similar to the activated sludge
system without return sludge. Ten SOFTRON CUBEs
were sampled in order to measure the biomass change
inside by measuring the dry weight.