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- Water: 6,201 m3 = CHF 16’618
- Lye concentrate 50 %: 37,168 kg = CHF 18’584
- Acid concentrate 62 %: 27,663 kg = CHF 8’299
These optimised valve cleaning times not only benefit the environment, they also pay off financially: savings already amounted to at least CHF 40,000 in the first year. In addition, the project team developed an adaptable procedure for implementing further projects of this kind.