ENVIRONMENTAL CONTROL FOR BIOLOGICAL NUTRIENT REMOVAL IN WATER/WASTEWATER TREATMENT

摘要

Control of a water/wastewater treatment system is effectedby sensing the oxidation reduction potential (ORP) atvarious parts of the system and using neuro-adaptive processcontrol techniques to make adjustments when necessary basedon the ORP values. Internal nitrate recycling, sludgereturn, organic substrate addition and/or aeration can beadjusted to achieve the desired environmental conditions.In the event that phosphorus removal is necessary, thesystem can be used to assure proper detention time neededfor biological phosphorus uptake.