A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 2/02 (2006.01) A61L 2/00 (2006.01) A61L 2/10 (2006.01) C02F 1/32 (2006.01)
Patent
CA 2345423
The present invention relates to a method and apparatus for effective inactivation of micro-organisms in fluids with relatively high absorbance so as to limit damage. The apparatus has a large diameter passage (2) flow-through UV radiation system with a static mixer system (11) providing an intensive fluid flow mixing within an irradiation area in which the fluid flow is controlled to provide a flow rate not less than a minimum flow rate corresponding to a maximum fluid residence time within said irradiation area required for efficient mixing, and a maximum flow rate providing a minimum residence time for effective inactivation.
La présente invention concerne une méthode et un dispositif qui permettent d'inactiver efficacement des micro-organismes présent dans des liquides à absorbance relativement élevée et donc de limiter les dégâts. Le dispositif comporte un système à rayonnement UV dans un passage de grand diamètre (2) avec un système de mélangeur statique (11) qui assure un brassage intense du flux dans la zone d'irradiation. On règle le débit du liquide entre une valeur minimum pour le temps de résidence maximum du liquide dans la zone d'irradiation en vue d'un brassage efficace et un débit maximum pour un temps de résidence minimum en vue d'une inactivation efficace.
Cameron Ian David
Gunn Andrew
Li Qiangyi
Macdonald Shirley Lynn
Pepper Duncan Stephen
Common Services Agency
Gowling Lafleur Henderson Llp
Iatros Limited
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