Speedway WWTP UNOX and Biosolids Upgrade

Speedway, Indiana

American Structurepoint led the design to rehabilitate the town of Speedway's wastewater treatment facility. The $4.6 million improvements included upgrading the PSA oxygen generation system, improving efficiency of the oxygen transfer system in the biological process (UNOX), structural repairs to the biological tank, adding blanket level detectors for the final clarifiers as a secondary control strategy, replacement of 50-year-old pipes and pumps that vibrate too much in the anaerobic digestion system, addition of a cake pump for the belt filter press system, and addition of a storage nitrification denitrification reactor (SNDR) for the anaerobically digested sludge to reduce the ammonia concentration in the filtrate.

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