Mathematical Model of a Closed Water-Circulation System of Wastewater from Small-Scale Chemical Production

The feasibility and relevance of organizing closed water-circulation systems in chemical production is confirmed and substantiated. Using mathematical modeling tools, the following is described: a block diagram of a wastewater treatment process with a closed water-circulation system. Based on the process flow chart, a mathematical model of a closed water-circulation system is formulated. The scientific novelty of this work lies in the principle of designing industrial enterprises, with the fundamental possibility of differentiated cleaning after each industrial operation for the recovery of valuable components with subsequent unification into a common closed water-purification cycle. The practical significance of the study lies in the optimal structure of closed water-circulation systems of production facilities with minimization of discharge of polluted process water flows into natural reservoirs.