8. Conclusion

Washing refillable containers is a thermal and chemical polluting operation, the effects of which must be minimized. To this end, it's important not only to extend the life of detergent solutions by using filtration and chemical pollutant treatment systems, but also to minimize the number of treatment operations required.

In particular, it is no longer necessary to work in fixed times, applying a blind treatment, but to be able to carry out washing in a reduced time, determined by the fact that the container being clean, there is no longer any need to continue cleaning, and thus to achieve flexible washing over time during the process.