Application Note

Selecting Vent Filters For Ozonated Water Tanks

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Selecting Vent Filters For Ozonated Water Tanks

With many pharmaceutical processes needing large water volumes, it’s vital to protect the water against contamination. Storage of purified water at a minimum temperature of 80oC​ to discourage microbial growth in storage systems is an option, or adding ozone as an antimicrobial and oxidizing agent. Water stored in tanks is often fitted with a sterilizing-grade vent filter to ensure proper ventilation without contamination. This paper discusses key considerations for selecting vent filters for hot/ambient water tanks exposed to ozonation and helps filter users determine their usage strategy.

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