How can ozone be harmful and beneficial, it seems to be a Paradox?
Ozone is hazardous. It is harmful to man when formed in smog. Yet, the Ozone Layer in the upper atmosphere protects the earth from harmful ultraviolet rays which would cause skin cancer epidemics. Moreover, it can be used to disinfect drinking water and for a host of industrial uses. Who owns Praxair Trailigaz Ozone Company? Praxair Trailigaz Ozone Co. is a 50-50 joint venture between of two industry leaders: Praxair and Trailigaz. Praxair is the largest industrial gases company in North and South America and one of the largest worldwide. Trailigaz is the world’s premier supplier of ozone systems, with installations in chemical synthesis, drinking water, pulp bleaching and waste treatment in more than 60 countries, and more installed capacity in North America than any other supplier. Do Praxair and Trailigaz have any other relationship? Yes, they also have a worldwide alliance. Praxair supplies oxygen plants to Trailigaz for ozone systems for municipalities and Trailigaz supplies ozone