SENTRY leverages bio-electrochemical sensor technology to relay bio-activity (metabolic activity) of the microbiology to the wastewater system operator. This data allows operators to continually monitor the microbial stability (health) of their wastewater treatment process. Furthermore, this data can be leveraged with other water quality and operational data to improve/optimize system performance. Data produced from the sensor can be used to:

  • Predict process upset via instability in microbial metabolism
  • Correlate fluctuating bio-electrode output to system input, process and operational events
  • Aggregate data to determine daily, weekly, and monthly performance patterns
Bio-electrochemical systems (BES) are a novel technology that rely on bacteria that use insoluble metal deposits as electrons sink during the anaerobic consumption of organic substrates. By substituting an electrode for the metal deposits, electrical current can be recorded. The generated bioelectric current is the product of microbial metabolic activity of exoelectrogenic bacteria involved in the wastewater treatment process. The obtained biological data is instrumental in understanding the impact of water quality (pH, nutrient content) and operational parameters (temperature, flow rate, organic load) on the biological process’s efficiency, and resulting system performance.
Wessex Water - Using real-time data for aeration optimization. United Utilities - Optimising loading capacity and energy efficiency of the Activated Sludge Process
WWTP Test Points