C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/28 (2006.01) C02F 1/58 (2006.01) C02F 1/62 (2006.01)
Patent
CA 2327087
A water treatment product which is a particulate material having a specific surface area of at least 1.0 m2/g, or an artefact formed by bonding together such particulate material, and having an insoluble ferric iron coating. Preferably, the particulate material is an alumina-based material. The product is useful in the treatment of water to remove organic materials, cations or anions, and more particularly heavy metals, As, Se or F. Methods of making the water product are also provided.
La présente invention concerne un produit de traitement des eaux, en l'occurrence un matériau particulaire d'une superficie spécifique d'au moins 1,0 m?2¿/g ou un artefact obtenu en liant un tel matériau particulaire et pourvu d'un enrobage insoluble de fer ferrique. Le matériau particulaire est de préférence à base d'alumine. Ce produit convient aux traitements des eaux impliquant une élimination des matières organiques, des cations ou anions, et plus particulièrement des métaux lourds tels que l'arsenic, le sélénium ou le fluor. L'invention concerne également un procédé permettant de confectionner un tel produit de traitement des eaux.
Alcan International Limited
Kirby Eades Gale Baker
LandOfFree
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