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The food & drink industry

The quality of drinks is measured by the standard of the untreated water, and brewers, alcohol-free drinks manufacturers and mineral water bottlers have completely different requirements regarding the composition of the raw water.


However, all sectors share the need for hygienic, uncontaminated water for production or filling, which must not:

  • Contain aroma- or taste-inhibiting substances

  • Cause cloudiness

  • Impact the production process

  • Leave corrosion or deposits in system components or bottles.


As every source or spring water has a different composition, each will require a designated method of treatment to ensure that the water supplied satisfies all the quality standards and customer demands, so that the delivered water meets all quality requirements and customer needs.



The taste, appearance, shelf life, etc. of each type of beer all depend on the specific composition of the brewing water used. In many cases, water treatment is unavoidable, owing to the additional technical or legal requirements regarding compliance with the maximum specified nitrate content. Various treatment processes are available, depending on the composition of the untreated water, the type of beer and the legal requirements.


The fruit juice sector

Dilution water for fruit juice production must be substantially desalinated to avoid secondary reactions with the concentrate, resulting cloudiness or the presence of taste-inhibiting substances.


The soft drinks sector

Treatment of the filling water is frequently required to create soft drinks that are both visually appealing and suitable for storage. Part of the process may involve compliance with the detailed requirements of the licensor. BWT can offer appropriate solutions, both in the process water sector (e.g. for cooling water or steam boiler feed water), and for bottle-washing and bottle-filling systems.


The mineral water sector

Mineral water is subject to strict legal stipulations and must also be kept as ‘natural’ as possible; the number of treatment processes permitted under legislation is therefore very limited. This primarily involves the removal of iron and manganese while, in some cases, hydrogen sulphide or other elements can present problems. BWT has a wide spectrum of proven, partially-patented processes to reduce the volume of extraneous substances in the water.

We can also offer suitable solutions (e.g. rinsing water treatment) in the areas of process water (i.e. for steam boiler power) for bottling and bottle-washing plants.


BWT technology for the drinks industry:

  • Membrane technology

  • Ion exchange

  • Ozone technology

  • UV technology

  • Filtration technology

  • MDA processes

  • Membrane electrolysis