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Presentation to WERF

Timeswitch Background

  • Large (3 MGD) industrial wastewater treatment facility with complex wastewater.

  • Following pre-treatment, the wastewater contained 100 mg NH3-N and 100 mg NO3-N/L

  • The existing aerobic biological treatment system was effective in removing ammonia, resulting in approximately 200 mg NO3-N/L

  • Numerous alternatives were considered to reduce the nitrate discharge

BASF WWTP Single Completely Mixed Aeration Tank

Influent

Effluent

Aerobic Reactor

Clarifier

Sludge Recycle

3

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