A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 9/00 (2006.01) A61L 2/00 (2006.01) A62B 7/08 (2006.01) B01J 19/08 (2006.01) B41M 5/20 (2006.01) C25D 5/34 (2006.01)
Patent
CA 2621180
A method for reducing biological contamination of indoor air for providing a concentrated salt solution, which is either (i) a brine capable of responding to aeration thereof by a rapid increase of its Redox potential, wherein the rate of said increase is greater than the rate of increase observed for a 45% (w/w) calcium chloride solution subjected to identical aeration conditions; or (ii) a brine which is passed through an electrolytic cell (30) in order to raise its Redox potential; circualting said concentrated salt solution through a treatment zone (17); causing a stream of biologically contaminated air (15) to flow through said treatment zone (17), such that said contaminated air (15) is contacted with said salt solution in said treatment zone (17); and withdrawing purified air (14) from said treatment zone (17).
L'invention concerne un procédé destiné à réduire la contamination biologique de l'air intérieur, qui consiste à mettre en oeuvre une solution saline concentrée sous la forme: i) soit d'une saumure pouvant satisfaire aux exigences d'aération de l'air intérieur par une augmentation rapide de son potentiel d'oxydo-réduction, le taux de cette augmentation étant supérieur au taux d'augmentation observé pour une solution de chlorure de calcium à 45 % (w/w) exposée à des conditions d'aération identiques; ii) soit d'une saumure passée par une cellule électrolytique pour en augmenter le potentiel d'oxydo-réduction. Le procédé consiste ensuite à: faire circuler la solution saline concentrée dans une zone de traitement; amener un flux d'air biologiquement contaminé à circuler dans la zone de traitement et venir au contact de la solution saline; et extraire l'air purifié de ladite zone de traitement.
Itzhak David
Itzhak Ron
Kirby Eades Gale Baker
Megair Ltd.
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