B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 24/46 (2006.01) A61L 2/18 (2006.01) C01B 11/02 (2006.01) C01B 11/14 (2006.01)
Patent
CA 2402074
The invention relates to a method for flushing particle-bearing filter beds which are located in circuit or linear water- treatment plants, to sterilise and decontaminate said beds. The method is characterised in that an aqueous solution containing chlorine oxide and/or halogen and/or peroxide is left to act on the deposits of the particle-type filter bed and said bed is subsequently flushed with water or an aqueous medium, to remove the reaction products caused by the aforementioned process and any residual chlorine oxides or halogens or peroxides.
L'invention concerne un procédé pour laver, en les nettoyant et en les désinfectant, des lits filtrants à particules utilisés dans des installations de traitement des eaux cyclique ou linéaire. L'invention est caractérisée en ce que l'on fait d'abord agir une solution aqueuse contenant de l'oxyde de chlore et/ou un halogène et/ou du peroxyde sur les dépôts du lit filtrant à particules, et on lave ensuite à l'eau ou avec un milieu aqueux pour enlever les produits de réaction résultant dudit procédé ainsi que l'oxyde de chlore, l'halogène et le peroxyde restants.
P. & W. Invest Vermogensverwaltungsgesellchaft Mbh
Sim & Mcburney
LandOfFree
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