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    CONTROL AND OPTIMIZATION OF WASTEWATER TREATMENT PLANTS

     

    This line of research has developed a variety of algorithms and control systems for WWTP processes. CalAgua has focused on validating control algorithms at the pilot scale in order to improve and facilitate WWTP operations.

    Control systems for primary sludge fermentation in fermenters and primary settlers have been developed to optimize the production of the volatile fatty acids needed for the biological removal of phosphorus. Sludge line management is also being studied to prevent the uncontrolled precipitation of struvite in anaerobic digestors.

    Particular mention must be made of the development of aeration control – which consumes most of the energy in a WWTP – and nitrogen removal control, both based on fuzzy logic and on-line available and industrially feasible low-cost sensors (v.g. pH and ORP sensors). So far this system has been implemented in 8 WWTPs in the Region of Valencia and has significantly improved the stability of their biological processes, including nitrogen removal and energy consumption reduction. This control system regulates oxygen levels and the flows circulating between aerobic and anoxic zones. It can also adapt to fluctuating nitrogen and organic levels in the water intake.




     

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    RELATED TO THIS LINE OF RESEARCH CAN SEE:

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