Oxygenating apparatus, method for oxygenating a liquid therewith, and applications thereof

An apparatus for oxygenating a liquid, comprising:

• a liquid pump;
• supply piping having an inlet connected to said pump and an outlet;
• a first injector having a liquid inlet forming a nozzle, a liquid outlet and an oxygen inlet, said first injector oxygen inlet intermediate said first injector liquid inlet and outlet, said supply piping outlet connected to said first injector liquid inlet;
• a second injector having a liquid inlet forming a nozzle, a liquid outlet and an oxygen inlet, said second injector oxygen inlet intermediate said second injector liquid inlet and outlet, said first injector liquid outlet in communication with said second injector liquid inlet, whereby liquid flows through said first and second injectors in series, each of said first and second injector oxygen inlets provided with a source of oxygen gas;
• a chamber having a liquid inlet and a liquid outlet, said second injector liquid outlet in communication with said chamber liquid inlet, whereby liquid flows through said second injector and said chamber in series, said chamber containing a quantity of oxygen gas, at least a portion of said quantity of oxygen gas from said chamber being provided to said oxygen inlet of one of said first and second injectors;
• and
• an outlet conduit, said outlet conduit having an inlet connected to said chamber liquid outlet and an outlet from which oxygenated liquid exits said apparatus.