Municipal Peracetic Acid Applications

Peracetic acid (PAA) is a strong oxidant and disinfectant. It has proven to be a successful chlorine replacement, with oxidation potential higher than that of chlorine or chlorine dioxide.

PAA Applications for Muncipal Wastewater Treatment and Water Disinfection:

  • Replaces chlorine, sodium hypochlorite and is a low-capital alternative to UV, chlorine dioxide and ozone.
  • PAA treatment decomposes into biodegradable components and does not create chlorinated compounds or harmful disinfection by-products.
  • Disinfection performance not impacted by variability in nitrite or ammonia concentrations.
  • Can pass fish toxicity tests, showing no harm to aquatic life.
  • With the proper dose, PAA applications do not alter the water quality that affects the discharge limits.
  • Most applications do not require quenching of PAA residual.

Computational Fluid Dynamics (CFD) Modelling Capabilities

USP has unrivaled in-house CFD modeling expertise that can be used to optimize the injection, mixing and feed rates of PAA to meet the disinfection requirements of a facility.


Municipal PAA Turn-Key Programs & Services

Storage & Dosing Module: USP can provide bulk storage tanks and skid-mounted dosing modules that are custom pre-wired, pre-piped, passivated and shop tested. Power and communications panels are included.

Peracetic Acid (PAA): Available in drums, totes and bulk, depending on product grade and customer’s location, in concentrations including 5%, 12%, 15% and 22%.

Chemical Management: USP’s ChemWatch™ advanced controller provides real time remote monitoring including dose rate verification, variance alarming, tank levels, leak detection and internet accessibility.

Safety: Safety shower, eyewash stations and training for PAA and equipment orientation.

Technical and Applications Services:

  • Maintenance of storage and dosing systems
  • Preventative maintenance service visits
  • Laboratory and field testing to optimize PAA dose rates and performance
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