Composition and method to remove asbestos

Details Composition and method to remove asbestos Composition and method to remove asbestos

C - Chemistry, Metallurgy

04

B

C04B 28/00 (2006.01) B09B 3/00 (2006.01) C04B 14/40 (2006.01) C04B 28/16 (2006.01) C04B 41/50 (2006.01) C09K 3/00 (2006.01) A62D 3/00 (2006.01)

Patent

CA 2266979

A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30 % by weight of phosphoric acid, and from about 0.1 to about 4 % by weight of a source of fluoride ions. A method of transforming the asbestos-containing material into a non-asbestos material using the present composition also is disclosed.

L'invention porte sur une composition permettant de transformer un matériau contenant de l'amiante chrysotile en un matériau exempt d'amiante. Ladite composition comprend de l'eau, au moins environ 30 % en poids d'acide phosphorique et d'environ 0,1 % à environ 4 % en poids d'une source d'ions fluorure. L'invention porte également sur un procédé de transformation d'un matériau contenant de l'amiante en un matériau exempt d'amiante à l'aide de la susdite composition.

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