City of Orlando Wastewater Treatment Plant Belt Filter Press Struvite Scale Control & Enhanced Flocculation case study

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Courtesy of HydroFLOW USA

Five month evaluation of Hydropath technology’s ability to treat magnesium ammonium phosphate hexahydrate (Struvite, NH₄MgPO₄•6H₂O) scale and to enhance flocculation resulting in reduced polymer usage

Location: City of Orlando Wastewater Treatment Plant. Address: 5100 LB McLeod Rd., Orlando, FL 32811
Application: Struvite accumulation in belt press #5.
Belt press make and model: AshBrook - Klam press.
Polymer dosing equipment: Custom made anionic polymer injection.
Installer: Allied Group - HydroFLOW distributor in Florida.
Device: HydroFLOW 12” custom water conditioner.
Installation date: November 23, 2013
Last inspection: April 30, 2014

Background: The belt presses at the City of Orlando Waste Water Treatment Plant suffer from severe Struvite scale accumulation which greatly impedes the equipment’s productivity and effectiveness. The plant’s management team decided to evaluate HydroFLOW’s ability to relieve the above mentioned problem on one of the belt presses.

Main success factor: Prevent new Struvite scale accumulation and gradually remove existing Struvite deposits.

Secondary success factor: Reduce polymer usage due to better belt press operating efficiency with Struvite scale removed and enhanced floc formation requiring lower polymer usage.

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