SWAN

AMI Trides – Monitoring of Residual Disinfection After UV Treatment

In water treatment systems using UV disinfection, it is important to verify that the process delivers sufficient microbial inactivation while maintaining a controlled residual disinfectant level.

The SWAN AMI Trides analyzer provides continuous monitoring of residual disinfectants such as chlorine or chlorine dioxide after UV treatment. This ensures that disinfection remains effective throughout the distribution system.

With reliable monitoring, you can maintain safe water quality and stable disinfection control.

Want to know more about our solutions from SWAN?

Monitoring residual disinfectants after UV disinfection

UV systems are widely used for primary disinfection, but they do not provide a lasting residual effect in the water.

The AMI Trides is designed to measure residual disinfectants downstream of UV systems, ensuring that:

  • a sufficient disinfectant residual is maintained
  • microbial regrowth is prevented
  • water quality remains stable in the distribution system

The analyzer typically uses colorimetric photometric measurement, providing accurate and reliable monitoring of disinfectant levels.

Technical overview

Feature Value
Measured parameters Residual chlorine, chlorine dioxide, or similar disinfectants
Measurement principle Colorimetric photometric analysis
Typical application Post-UV disinfection monitoring
Installation Online analyzer for continuous monitoring

Why residual monitoring after UV matters

While UV effectively inactivates microorganisms, it does not leave a residual disinfectant in the water.

Without proper monitoring and control, this can lead to:

  • microbial regrowth in distribution systems
  • unstable water quality
  • insufficient disinfection in downstream processes

By monitoring residual disinfectants, you can ensure continuous protection and maintain safe water conditions.

Key features supporting stable disinfection control

  • Continuous online measurement of residual disinfectants after UV treatment
  • Suitable for chlorine, chlorine dioxide, or similar oxidants
  • Accurate colorimetric photometric measurement technology
  • Automatic reagent dosing and measurement cycles
  • Stable and repeatable measurement results
  • Adjustable measurement intervals for optimized operation
  • Integrated diagnostics and alarm functions
  • Industrial communication interfaces for process control

These features help ensure consistent disinfection performance and reliable water quality monitoring.

Typical applications in water treatment systems

The AMI Trides analyzer is used in systems where UV disinfection is combined with chemical disinfection.

Typical applications include:

  • Drinking water treatment plants
  • Municipal water distribution systems
  • Swimming pools and public water facilities
  • Industrial water treatment systems
  • Process water systems requiring controlled disinfection

Monitoring residual disinfectant levels ensures that water remains safe after UV treatment and throughout the system.

Benefits for your operation

With reliable residual disinfectant monitoring you gain:

  • Continuous verification of disinfection performance
  • Improved control of chemical dosing
  • Stable water quality throughout the system
  • Reduced risk of microbial regrowth
  • Optimized use of disinfectants

These benefits support safe, efficient, and compliant water treatment operations.

These products are used within these applications

By clicking 'Accept All' you consent that we may collect information about you for various purposes, including: Statistics and Marketing