Island Water Technologies Inc. (IWT)

SENTRY-AD: Real-time Monitoring of the Impact of Cleaning Agents on Performance of Anaerobic Digestion Systems Case Study

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SENTRY-AD bio-electrode sensor that allows for the monitoring of microbial metabolic activity in the anaerobic digestion (AD) wastewater treatment process. The data generated by the bio-electrode sensor allows operators to monitor the impact of toxic chemicals on microbial health in the AD system. Cleaning agents, biocides, are used for equipment and container sterilization in the food and beverage industry as well as to clean wastewater systems' plumbing. These chemicals will enter the anaerobic digester as part of a waste stream and interact with the sensitive microbial community. Cleaning agents entering the anaerobic digester are suspected to contribute to process instability and failure. Key findings from this study characterizing the impact of cleaning agents on SENTRY-AD output are itemized below:

Details

SENTRY-AD reacts rapidly (Tests with hypochlorite, SpeedConc (contains a Quaternary Ammonium Chloride (QUAT or QAC)) and Peracetic acid demonstrated that SENTRY-AD rapidly responds to cleaning agent insertion and captures the extended impact of those agents.

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