In its earliest days, UV water treatment was something of a black art, where the predicted performance was based on some fairly large assumptions. Today, as the industry has matured, that has changed. Regulatory authorities have adopted methods for analysing the performance of a particular UV system to answer the critical question – how effectively does it prevent dangerous pathogens from affecting humans?
As the world strives to develop more sustainable technologies, a way of analysing their performance is necessary to avoid swapping one environmental problem for another. Life cycle assessment (LCA) offers a means of achieving this, and is being used by Eco-UV to analyse systems containing the new lamp and ballast technology. However, as with all simulations, the results are only as good as the data used to generate them.
UV treatment is one of a range of methods for disinfecting and decontaminating water supplies, together with other long-established approaches such as ozonation, chlorination and reverse osmosis. But is it necessarily a case of ‘either/or’ when deciding on a new water treatment system? Or can the different technologies complement each other?