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Article | REF: BM6201 V1

Designing water fluid circuits

Author: Olivier COSTE

Publication date: January 10, 2010 | Lire en français

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    5. Chemistry

    5.1 Some useful quantities in water chemistry

    • Notion of biofilm in water

      Biofilm is made up of microscopic organisms attached to the walls of tanks, pipes and heat exchange surfaces. In the event of shock, vibration or a sudden change in hydraulic regime (sudden increase in flow rate, water hammer), the biofilm can detach and disperse these micro-organisms. A biofilm is defined as a microbial community immobilized on a surface and often embedded in a fibrous matrix of extracellular polymers.

    • Corrosive and aggressive water

      Water is said to be corrosive when it is capable of attacking metals and their alloys (copper, steel). This notion should not be confused...

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