Method for sterilizing liquid and liquid sterilization device

Details Method for sterilizing liquid and liquid sterilization device Method for sterilizing liquid and liquid sterilization device

C - Chemistry, Metallurgy

02

F

C02F 1/32 (2006.01)

Patent

CA 2745251

The invention relates to a method for sterilizing liquids, wherein quantities of liquid flowing through at least one reaction chamber are irradiated by at least one UV lamp and are removed after irradiation. The UV lamp continues to be operated for a period .DELTA.t1 after removal of the quantity of liquid. The invention further relates to a liquid sterilization device (1) comprising at least one UV lamp (2) and at least one reaction chamber (4) through which the liquid to be sterilized flows as well as a tap (10) for removing quantities of liquid. A control and/or regulation device (3) is connected to the tap (10) and to the UV lamp (2) and continues to operate the UV lamp (2) for a period .DELTA.t1 once the tap (10) is switched off.

L'invention concerne un procédé de désinfection de liquides selon lequel des portions de liquide traversant au moins une chambre de réaction sont exposées au rayonnement d'au moins une lampe UV, puis sont prélevées, après leur exposition audit rayonnement. La lampe UV continue à fonctionner après le prélèvement d'une portion de liquide pendant une durée ?t1. L'invention concerne également un dispositif de désinfection de liquides (1) présentant au moins une lampe UV (2) et au moins une chambre de réaction (4) traversée par le liquide, ainsi qu'un dispositif de prélèvement (10) servant à prélever des portions de liquides. Le dispositif de commutation et/ou de réglage (3), qui est relié au dispositif de prélèvement (10) et à la lampe UV (2), fait fonctionner la lampe UV pendant une durée ?t1 supplémentaire, après la mise hors tension du dispositif de prélèvement (10).

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