Case study - Oxygen removal
Initial situation
For the new construction of a brewery, a system for the removal of oxygen should be installed as part of the overall water treatment. General selection criteria were:
- Residual oxygen content <10 ppb
- Low cost of ownership
- Low investment costs
- Robust and reliable system
The EUWA solution
The brewery decided to use an EROX® membrane system whose characteristic benefits completely meet the selection criteria:
- O2 content <10 ppb reliably achievable
- Low stripping gas consumption
- No heating of the water necessary
- Approx. 20% lower investment costs than comparabl e systems
- Simple operation
- Suitable for CIP
Practical experience
In practical use, the following key performance figures are reproducibly achieved:
- Performance: 500 hL/h O2 content in the feed: about 8000 ppb
- O2 content in the outlet: <10 ppb
- Stripping gas consumption (CO 2 ): 20 g/hL
- Vacuum: 50 mm Hg
Water Chemical background
Every natural water contains oxygen, usually up to the saturation limit between 8-10 ppm. However, various process steps of the beverage production require water with minimal oxygen content. Qualitative disadvantages such as a lower shelf life or the oxidation of sensitive ingredients are avoided in this way.
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Representation of the oxygen removal in this case example
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