The use of Photo-Catalytic Oxidation and Hydroxyl Radicals is a unique killing mechanism that kills all species of organism equally well. Furthermore by breaking down pollutants and organic matter it delivers purer water and has a European wide reputation as both a water purifier and disinfector.
The system design incorporates a unique fully patented control system that has an individual control monitor for each UV Lamp. Each lamp has a warning that operates as soon as an individual lamp has a low UV intensity. It will then go into a state of alarm when intensity reduces further. As a second safeguard there is an overall system monitor that continually reads the intensity of the UV lamps at the reactor surface. This monitor operates with an additional warning and alarm display. If any of these warnings or alarms are activated or if power is switched off a signal can be sent to a remote monitoring panel.
There are 7 units in the range that cover flow rates from 0.28 L/s up to 111 L/s. For higher flow rates units may be fitted in parallel.
Location is application specific. On commercial buildings the system is commonly fitted to the cold water mains to treat the entire water supply and thereby offering protection to the whole building’s water system particularly from Pseudomonas and Legionella bacteria.
Both systems disinfect the water in a safe and efficient way that is chemical free. The main differentiator is that the AOP gives a superior level of disinfection than either UV or chemical systems. The level of disinfection from using AOP results in organic matter and pollutants in the water being broken down to produce a much purer quality of water.
The first systems were installed in Eastern Europe in the 1990’s with now many units installed all over the world including Sweden, Germany, France, Poland, China, Australia, the Middle East, America and more recently in the UK.
The system is well suited to drinking water supplies where it is important that the water is both bacteria free and of good taste. The system is chemical free and therefore does not alter the taste in any way. The breaking down of organic matter, microbiological material, water pollutants and pesticides that are present in water will make the water safer, purer and taste better. The system has also been tested and approved by WRAS (The Water Regulatory Advisory Scheme).
Yes the AOP system has many applications for disinfecting water these include heating & chilled water system protection from Pseudomonas bacteria, cooling tower water treatment, humidifiers, bore hole water disinfection, rainwater harvesting, disinfection of process and manufacturing water supplies, food & beverage disinfection and hospital sterilisation.
Provided that good quality water is passing through the AOP system it will only require annual servicing. The UV lamps will need to be replaced annually and cost will therefore depend upon the size of the unit and hence the required number of UV lamps. If the water has high metallic content, contains high amounts of calcium carbonate or is at a high temperature the quartz tubes housing the UV lamps may need to be cleaned more frequently than just the annual service. Outside of the service cost power is also required to run the UV lamps.