A gas/liquid contact method and apparatus, for example, for oxygenating blood using O.sub.2 and O.sub.3. A low pressure stream of oxygen is introduced into a chamber through a spray orifice while inducing blood into the oxygen stream in a first blood/oxygen contact zone. The blood is caused to issue...http://www.google.ca/patents/US5612226?utm_source=gb-gplus-sharePatent US5612226 - Gas/liquid contact apparatus
