Fig. 6: (a) COD and BOD of each reaction tank (24 hr mixed
sample).
(b) SS, oil and grease and NO2
-
-N concentrations of
each reaction tank (24 hr mixed sample).
(c) True color, NO3
-
-N and NH4
+
-N concentrations of
each reaction tank (24 hr mixed sample)
Fig. 2(c) shows the decrement of COD, and that most
COD are treated in the first reaction tank. These results suggest
that the combined AS/CA system’s microbes are very active and
can rapidly consume the substrates.