The invention relates to injecting ozone through at least one injecting means operating with a pressure drop of at least about 35 psi into a pressurized stream of aqueous solution, allowing the ozone injected stream to travel or flow at a velocity of at least about 7 feet per second for a distance sufficient...http://www.google.es/patents/US5186841?utm_source=gb-gplus-sharePatente US5186841 - Cooling water ozonation system
