Optimization of Evaporation Pond Cost

by Subhash C. Mehrotra, Sr. Engr.; Bechtel Inc., Gaithersburg, Md.,

Serial Information: Journal of the Environmental Engineering Division, 1976, Vol. 102, Issue 1, Pg. 165-173

Document Type: Journal Paper


Transient and equilibrium behavior of a prismatic evaporation pond is studied for a given relationship between the evaporation rate and the concentration of the dissolved solids in the blowdown. By studying the equilibrium pond behavior, a cost function is developed, and the optimum equilibrium concentration for its minimization is found. The optimum area and volume of the pond can be calculated once the optimum equilibrium concentration has been found. An outline of the mathematical formulation for the general optimization problem involving a series of ponds is also presented.

Subject Headings: Equilibrium | Evaporation | Ponds | Dissolved solids | Transient response | Mathematics | Optimization models

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