Method for improving conditions in closed circuit fish farming

A - Human Necessities – 01 – K

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A01K 63/04 (2006.01)

Patent

CA 2375116

The invention relates to a method for improving conditions in closed circuit seafood and fish farming, comprising the following steps: a) at least part of the water from at least one of the rearing ponds (1) is recycled, whereby said water is treated one or more times and purified (3, 4, 5) before it is re-injected into said pond; b) the water recycled during the recycling path indicated in step a) is mixed with a new supply of water (10); c) all or part of the recycled water (21, 22) undergoes ozonization and, wherever applicable, the new supply of water (20) also undergoes ozonization either partially or in full before it is mixed with the re-circulated water.

La présente invention concerne un procédé d'amélioration des conditions d'élevage de produits de la mer et de poissons en circuit fermé, selon lequel: a) on recycle au moins une partie de l'eau d'au moins un bassin (1) d'élevage, eau recyclée qui subit un ou plusieurs traitements d'épuration (3, 4, 5), avant d'être réinjectée danse le bassin condidéré; b) sur le parcours de recyclage de l'étape a), l'eau recyclée est mélangée à un apport d'eau neuve (10); c) on procède à une ozonation de tout ou partie de l'eau recyclée (21, 22), et le cas échéant de plus, à une ozonation de tout ou partie de l'apport d'eau neuve (20) avant son mélange avec l'eau recirculée.

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