Disposable filters and manufacturing process

Details Disposable filters and manufacturing process Disposable filters and manufacturing process

B - Operations, Transporting

01

D

B01D 39/18 (2006.01) B01J 20/28 (2006.01) C02F 1/28 (2006.01) D21H 17/67 (2006.01) D21H 17/68 (2006.01) D21H 27/08 (2006.01)

Patent

CA 2180015

Disposable paper filters suitable for removal of contaminants from fluids such as water or air are disclosed. Specific embodiments include single-ply and multi-ply filters in which metal removal additives and/or halogen and organic contaminant removal additives have been distributed during the manufacturing process. Special manufacturing methods for producing such composite filters are also described.

L'invention concerne des filtres jetables en papier pouvant être utilisés pour enlever des contaminants de fluides tels que l'eau ou l'air. Des modes de réalisation spécifiques comprennent des filtres à un pli ou à plusieurs plis dans lesquels des additifs de retrait des métaux et/ou des additifs de retrait des halogènes et des contaminants organiques ont été répartis pendant le processus de fabrication. L'invention concerne également des procédés spéciaux permettant la production de tels filtres composites.

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