Disinfection

SUEZ provides systems for the disinfection of water in all industries and applications including recreational, ornamental and life support. The technologies most commonly used involve ozone, ultraviolet light and the advanced oxidation process.

Ultraviolet

Ultraviolet light (UV) is highly effective at combatting bacteria and viruses – and also for oxidising organic species in water, when utilising medium-pressure polychromatic lamp technology.

 

Ultraviolet disinfection is a physical, chemical-free process that directly attacks the DNA of the bacteria, including parasites such as Cryptosporidium or Giardia, which are extremely resistant to chemical disinfectants. In addition, it reduces chloramines by a variety of mechanisms.

 

UV technology has advanced to the point where it can easily enhance the disinfection and oxidation of all sorts of pools.

Ozone

Ozone gas is a highly active form of oxygen, hundreds of times more powerful and effective than chemical treatments such as chlorine. Ozone oxidises the urea/ammonia responsible for chloramine production as well as the chloramines formed. This precursor reduction also lowers the levels of THM (trihalomethane) disinfection by-products.

 

Generated on-site, ozone gas dissolved in water kills all bacteria and viruses leaving water with the highest level of clarity and brightness, free from odour and taste. All SUEZ triogen® O3 ozone systems operate under full vacuum, thus eliminating the risk of ozone gas leakage.

Advanced oxidation processes

The SUEZ triogen® Advanced Oxidation Process (AOP) is an advanced, chemical-free technology that helps destroy organic pollutants and chlorine-resistant organisms.

 

AOP combines ozone gas and UV light to form highly reactive hydroxyl-free radicals, which accelerate the decomposition of organic pollutants, and offers excellent pathogen control. The UV light also photo-chemically destroys any residual ozone in the water, thus removing the need for de-ozonation equipment.

 

The triogen® AOP process, which operates under full vacuum, is the culmination of 30 years’ research and expertise in water treatment.

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