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Welcome to the latest UV-Guard newsletter. This month we provide an insight into a more specialized UV water treatment application and present the results of a trial UV-Guard have recently been involved in.

UV water treatment - an extremely versatile water treatment process


We all know the powers of UV light in the UV-C wavelength spectrum to provide disinfection to water or any liquid, but UV light can be used in other useful applications.

Free and total chlorine in water can be reduced through a process called photo decay when exposed to UV light. The removal of chlorine from water is desired in many applications such as food and beverage production and medical processes. Additionally, the presence of chlorine in water being treated by reverse osmosis (RO) systems has diverse impacts on the condition of the membranes and can reduce operational life dramatically.

Chlorine is commonly removed from water using carbon filtration or with chemicals but the use of UV has some added benefits:
  • Smaller footprint - small UV reactor in comparison to large volumes of carbon required.
  • Less material to be disposed of - carbon needs to be replaced once reduction capability has been reached.
  • Nothing added to the water - no harsh chemicals to impact the environment.
  • Chemical free - no need to store dangerous chemicals.
Contact the team today for your water or liquid disinfection needs or specialized UV treatment requirement including the reduction of Chlorine.

UV-Guard collaborates with partner in a chlorine removal trial for renal dialysis water treatment


UV-Guard recently collaborated with a company specializing in providing renal dialysis machines in hospitals and at home treatment sites.

UV-Guard's partner were looking for a solution that would reduce total chlorine to below 0.1 mg/L prior to the reverse osmosis (RO) machine in an existing renal dialysis treatment process which included carbon filtration. The chlorine target is generally achieved in other areas in Australia by using a standardized carbon filter. However, this particular region had fluctuating town water chlorine levels so it was difficult to ensure that the target was consistently met. Alternatives to simply upsizing the carbon were desired.

Larger UV dose rates are required for chlorine reduction in comparison to disinfection UV treatment. Subsequently, after assessing the chlorine reduction requirements, UV-Guard proposed a compact but powerful UV system. UV-Guard's solution was able to reduce total chlorine by 85-90%.

The below is a graphical representation of the free and total chlorine reductions achieved.
For more information about this trial, including UV dose requirement calculations, contact our water treatment engineers today.

Largest and most comprehensive range of UV spares


UV-Guard have the largest and most comprehensive range of UV spare parts within Australia. We can support your Davey Steriflo*, Wedeco*, Sterilight*, Trojan*, UViFLO*, Hanovia*, Berson*, SITA*, LIT* or many other brands with replacement UV lamps, quartz sleeves or thimbles, electronic ballasts or lamp drivers and many other miscellaneous parts.

Contact us today by phone on (02) 9631 4900 or by email on sales@uvguard.com

*The Davey Steriflo, Wedeco, Sterilight, Trojan, UViFLO, Hanovia, Berson, SITA, and LIT brand names, trademarks and logos belong to their respective owners and while we make reference to the them, we are in no way endorsed by or associated with these companies.
Copyright © 2016 UV-Guard, All rights reserved.

Our mailing address is:
3/44 Carrington Rd, Castle Hill NSW 2154

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UV-Guard · 18/7 Packard Avenue · Castle Hill · Castle Hill, New South Wales 2154 · Australia

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