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Carbon Dioxide Filtration

The Fresh Choice

Carbon Dioxide Filtration for Soft Drinks Production

Soft drink bottlers use carbon dioxide (CO2) to maintain carbonation in the filling operation and to blanket the pre-mix tank prior to the filling operation. Microorganisms can be present in the CO2 piping and can lead to contamination of the product. Sterile filtration can be employed in these applications to prevent the introduction of microbial contaminants, such as molds and bacteria, via the CO2.

 

Emflon® PFRW filters, featuring two layers of Pall 0.2 micron polytetrafluoroethylene (PTFE) membrane, are designed to remove bacteria, yeasts, molds, and particles from gas (CO2) streams, even in the presence of humidity and moisture. All other filter components are made of oxidation-resistant polypropylene. Fully manufactured assemblies are validated by stringent liquid challenge with Brevundimonas diminuta at 107/cm2 filter area and are 100% integrity tested. Emflon PFRW filters are integrity testable by Water Intrusion and Forward Flow tests.

 

If required, the Emflon PFRW filter can be protected by a Pall prefilter to ensure long life of the final filter.