A PROCESS AND DEVICE FOR ON-LINE DETECTION OF CHEMICAL OXYGEN DEMAND (COD) AND BIOLOGICAL OXYGEN DEMAND (BOD) IN WATER

摘要

#$%^&*AU2020101377A420200820.pdf#####ABSTRACT A method for use in quantifying chemical oxygen demand (COD) and biological oxygen demand (BOD), the method being performed using one or more electronic processing devices, the method including: receiving, from at least one Ph sensor, one turbidity senros, Dissolved Oxygen (DO) sensor, one of the nitrate sensor, nitrite sensor and ammonium sensors with at least one maximum solar irradiance value; determining COD based on one set of the Ph, turbidity, DO, nitrate, nitrite and ammonium based at least in part on the maximum solar irradiance value obtaining, from a meteorological data source, meteorological data for a geographical region corresponding to the area of waterbody for a prior time period; determining at least one evapotranspiration value for the prior time period based on at least some of the meteorological data; and calculating the COD and then taking the COD as input alogn with Ph, turbidity, DO, nitrate, nitrite and ammonium based at least in part on the maximum solar irradiance value to calculate the BOD value.6/6 INPUTS Processing unit Ph, turbidity, Dissolved Oxygen, nitrate, nitrite and ammonium I solar irradiance OUTPUT COD PUTS BOD Fig. 5C: Neural network flow chart of on-line COD and BOD