Patent ID: 6361699
Filing Date: 2002-03-26
Classification: A01N,C02F,G03C

Abstract:
An apparatus for putting into contact a defined quantity of treatment material with an aqueous solution to be treated without suffering load losses, the apparatus comprising:at least a first treatment unit wherein a first medium having a filter function and being permeable to the aqueous solution is placed into the first treatment unit, the first medium being made of polyester foam and having a form of a closed envelope which can be reopened, and wherein a first treatment material is placed in said first medium for treating aqueous solution which is liable to develop microorganisms; a least a second treatment unit wherein a second medium having a filter function and being permeable to the aqueous solution is placed into the second treatment unit, the second medium being made of polyester foam and having a form of a closed envelope which can be reopened, and wherein a second treatment material is placed in said second medium for trapping a compound to be eliminated from the solution.