Treatment Plant was used; and, ammonium sulfate and mono-
potassium phosphate from the standard recipe were excluded as
the wastewater contained adequate N and P for biomass growth.
Initial conditions in Test I (after filter-sterilization) are summarized
in
Table 1
. Daily samples drawn over a period of 6 days were cen-
trifuged and the filtered (0.2 micron) supernatant was analyzed
for ammoniacal-nitrogen, phosphates, and BOD
5