On the appropriate architecture of the water/wastewater allocation problem in process plants

Abstract We discuss the definition of the water/wastewater allocation problem as it was originally defined by Takama et al (1980), how this concept was modified and simplified through time, as well as additional issues that are still not properly addressed. We review a few attempts where parts of our view were pointed out and we further investigate the impact that proper modeling has on predictions of freshwater consumption and total annual cost.

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