B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
183/12
B01D 19/00 (2006.01) C02F 1/20 (2006.01) C02F 1/78 (2006.01)
Patent
CA 2027913
A method for removal of dissolved gas from water, particularly removal of ozone from water following its treatment with ozone for the purpose of purification, includes the steps of providing an enclosed zone capable of containing a quantity of water, flowing influent water into such zone at a first position thereof to partially fill it leaving a liquid free space within the zone above water contained therein, applying a vacuum to the liquid free space with simultaneous removal of gas from the space, circulating the water within the zone by providing a vertically extending stackpipe within the zone and introducing large bubbles into the stackpipe near the base thereof to create an upward flow of the water through the stackpipe and flowing water out of the zone having a lower ozone content than the ozonized water at a second position of the zone spaced apart from the first position. Apparatus for carrying out the new method is described.
Infilco Degremont Inc.
Swabey Ogilvy Renault
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