Very well explained by ...
Published by Nikhilesh Mukherjee, Independent - Consultant
Very well explained by everyone. What is your make up water consumption?
Makeup = Evaporation + Blowdown + Process Leaks + Windage + Drift
Evaporation loss is about 1% of circulation water. Windage + drift are about 0.2-0.3%. Rest all is your water lost via abnormal leaks in your system. That is your blow down water getting lost from the system in an unconventional manner without your doing physical blow down.