A method and apparatus for using a combination of sonication and ozone to decontaminate pressurized water. The process includes pumping water from a source, such as a creek, river, pond or the like. The water is strained and filtered, and then transferred to a treatment container where it is pressurized...http://www.google.fr/patents/US7052613?utm_source=gb-gplus-shareBrevet US7052613 - Method and device for purifying water