Optimization of Pipelines Midpoint Chlorination in Water Supply Distribution Networks Based on Water Age of Pipelines Nodes
Water age of pipelines node is considered as one of the crucial parameters for evaluating water quality in water supply distribution networks,closely correlated with the residual chlorine concentration.Maintaining the safety of drinking water quality throughout the extended process of water transmission in the pipeline poses a significant challenge.Leveraging the relationship between water age of pipelines node and residual chlorine concentration,a topological sorting algorithm based on breadth-first search is employed to calculate the water age of pipelines node.It was proposed and constructed an effective matrix for water age of pipelines node,integrating a genetic algorithm to optimize the model for midpoint chlorination addition locations and chlorine dosage.The optimized model was applied to real-world pipeline scenarios,subjected to both single-moment static simulations and multi-moment dynamic delay simulations.The results demonstrated that the optimization of midpoint chlorine addition in water supply networks based on water age of pipelines node reduced the required chlorine dosage at individual nodes,resulting in a more uniform distribution of residual chlorine concentration.This approach provides practical guidance for the water quality optimization of water supply networks.
water supply distribution networkwater age of pipelines nodemidpoint chlorinationgenetic algorithmtopological sorting