Plant managers and operators usually know their own plant very well. However, since they normally do not care much about other plants they cannot profit from others experiences. Many plants therefore are operated far away from their optimum. Ciba® Environmental Services has not only designed dozens of treatment plants, but can profit also from practical operating experience in the many plants Ciba has been operating all over the world.

• Changes of waste quality over the years may cause original operating parameters to be way out of an optimum.

• Typically high energy consuming devices like blowers, aerators, pumps etc. carry a big energy minimization potential.

• Enforcement of regulatory activities often led to the addition of new equipment. The overall technical and cost optimum of the plant often gets lost by such activities.

• Correct cost allocation needs knowledge of the relevant processes. Ciba® Environmental Services have develop simple, but efficient cost models and as an outside consultant can provide independent advice. (A customer of Ciba® Environmental Services in Germany saves 2 Mill. € investment participation due to propre cost allocation)

• Improvements in production processes often lead to reduced waste loads. So the plants become oversized - specific costs go up. Intelligent downsizing can improve cost efficiency. (Chemical formulation plant in Germany: Savings in annual operating costs > 20 %

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