Ultraviolet in the professional use Ultraviolet radiation has an important place in our everyday life – even when it is often very much in the background and not always evident. For example, in many countries, drinking water has a strong taste of chlorine and has an unpleasant smell – but why is that not always the case? It is not always the case because sometimes the disinfection of communal drinking water is carried out by ultraviolet, a technology which is becoming increasingly popular. In the private sector, as well as in industry and medicine, ultraviolet technology is proving more and more successful and is being used as an acknowledged, cost-effective and reliable process. You will find the answers to the questions where, how and why on the following pages.