Electrodeionization device and methods of use

Details Electrodeionization device and methods of use Electrodeionization device and methods of use

C - Chemistry, Metallurgy

02

F

C02F 1/469 (2006.01)

Patent

CA 2566752

The present invention generally relates to purification systems, and to sanitization and/or sealing of the purification system. The purification system includes an electrodeionization device (10) which can comprise one or a plurality of stages. The electrodeionization device can be constructed with a resilient sealing member (26) forming a water-tight seal between rigid thermally and dimensionally stable compartment spacers (18,20). The construction of the electrodeionization device may allow cycling of hot water and/or other liquids, which, in some cases, can improve efficiency and performance of the electrodeionization device. Moreover, the cycling of hot water and/or other liquids may be used to sanitize the electrodeionization device to at least a pharmaceutically acceptable condition and, preferably, in certain instances, to meet at least minimum requirements according to U.S. Pharmacopoeia guidelines by inactivating any microorganisms present within the electrodeionization device.

Cette invention concerne généralement les systèmes de purification, et l~assainissement et/ou la fermeture hermétique du système de purification. Le système de purification comprend un appareil d~électrodéionisation (10) qui peut comporter une ou plusieurs étapes. L~appareil d~électrodéionisation peut être construit avec une pièce étanche et souple (26) formant un joint étanche entre les entretoises de compartiment rigides et stables aussi bien dimensionnellement que thermiquement (18, 20). La construction de l~appareil d~électrodéionisation peut s~accompagner de la circulation d~eau chaude et/ou d~autres liquides, qui, dans certains cas, peut augmenter l~efficacité et améliorer les performances de l~appareil d~électrodéionisation. De plus, la circulation d~eau chaude et/ou d~autres liquides peut être utilisée pour assainir l~appareil d~électrodéionisation à un niveau répondant aux exigences pharmaceutiques et, préférablement, dans certains cas, répondant aux exigences minimales définies par les directives de la Pharmacopée Américaine en inactivant les microorganismes présents au sein de l~appareil d~électrodéionisation.

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