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Chlorine & Chloramines Reduction

Trojan Technologies™ pioneered the technology of chloramine reduction utilizing UV light in the pre-membrane filtration or RO make-up water stream.

UV Technology for Monochloramine in Water

Ultraviolet (UV) technology is a highly effective method of reducing chloramines in water. UV is a versatile, reliable approach to address numerous requirements in industrial water applications, including chloramine reduction. Studies have demonstrated conclusively that free chlorine residuals or chloramine residuals up to 2.0 ppm can be successfully reduced by the application of UV light.

UV technology for chlorine and monochloramine reduction

Reducing Chlorine & Chloramines in Industrial Water

While the addition of chloramine to municipal water may help control microorganism levels, it has undesirable effects, including generating by-products and causing changes in water chemistry.

Typical chlorine and chloramines treatment methods include carbon beds or chemical injections. However, carbon beds are excellent breeding grounds for bacteria to thrive and proliferate, and the addition of chemicals such as metabisulfite involve removing one chemical with another and isn't always a viable or desirable solution.

Issues Caused by Monochloramine in Water

  • Chloramines have corrosive properties that can damage metal pipes.
  • Exposure to chloramines will degrade rubber over time. O-rings, gaskets, and seals will all be broken down by the chloramines.
  • Chloramines still leave water with an undesirable metallic or chemical tang. From brewing beer to brewing coffee, chloramines will offset the flavor profile of any beverage into which it is introduced.

Let our experts help determine which form of monochloromine reduction is right for you.

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Aquafine™ Monochloramine Reduction Solutions

Aquafine, Trojan Technologies’ brand of industrial UV water treatment systems, offers a portfolio of robust and flexible UV systems with advanced technology designed to meet the stringent requirements of Pharmaceutical, Food & Beverage, Microelectronics, and other industrial markets.

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Aquafine OptiVenn Series

OptiVenn Series

State-of-the-art UV series for industrial water treatment. Optimized chamber design and multiple lamp arrays enable cost-effective installation in extremely compact spaces.

Aquafine Avant Series

Avant Series

Avant’s innovation and best in-class components reduce the total cost of ownership and drastically simplify operation and maintenance. Avant is the ideal solution for ultrapure water (UPW) plants in need of revolutionary UV technology.

Frequently Asked Questions

Chloramination is the process of adding chloramines – a group of chemical compounds that contain chlorine and ammonia – to drinking water for microbial inactivation.

Download the monochloramine application note

Download the Monochloramine Reduction Application Note

Learn more about using UV technology to reduce chlorine and chloramines in water.


UV for pharmaceuticals and life sciences

Pharmaceuticals & Life Sciences

Aquafine has the largest installed base of applications in the Life Sciences industry, meeting the demands of USP and WFI applications.

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UV for food and beverage manufacturing

Food & Beverage

UV is a fast, efficient, effective, and economical way to treat water in the food and beverage market.

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UV for recreational water

Recreational Water

For both public and private pools and splash water parks, UV treatment plays a key role.

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