:you must identify your ...
Published by Basha Ibra, Environmental complaince sp. at National Water Company (NWC)
:you must identify your problem by
must know the SOUR concentration if it's Low your plant in toxic shock if high the plant straggling under high concentration of NH3 and BOD and you must, in that case, do the soluble BOD and NH3 to confirm this issue...the solutions are decreasing wasting and RAS to the system