Tao Su and Udit Kumar break down Chemical Oxygen Demand (COD), why it is an important measurement of water and wastewater, and introduce the sensors to most effectively monitor COD.

Introducing WTW Spectral Online Sensors, capable of continuously measuring key parameters in wastewater treatment plants, including BOD, COD, NO3, NO2, TSS, and color.

The Abbe Refractometer derives its name from the 19th Century physicist Ernst Abbe.

Controllers, Monitors and Transmitters.