Modelling the formation of Disinfection By-Products in water distribution: Optimisation using Multi-Objective Evolutionary Algorithm

  • Radhakrishnan M
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with both these tools the behaviour of chemicals such as disinfection by products in the distribution system could be better understood. This calls for an integrated approach in water quality modelling which takes care of the hydraulics of the distribution systems or vice versa. Attempts have been made recently to link up EPANET 2.0, a well known USEPA water distribution modelling software capable of extensive hydraulic analysis (but limited water quality analysis) with other superior water quality models. The goal of this research was to integrate EPANET 2.0 with chlorination DBPs models and Particle backtracking algorithm for better understanding of the water quality and to carry out the trade off between biological and chemical risk in the distribution network. Further an attempt has been made to optimise the proportion of water from various sources, dosages of alum and chlorine in treatment plant and in booster locations using genetic algorithm NSGA II to control the formation of chlorination DBPs and to strike a balance between microbial and carcinogenic risk.

Author-supplied keywords

  • Biological risk
  • Chemical risk
  • Disinfection
  • Disinfection by products
  • Genetic Algorithm
  • Particle back tracking algorithm

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  • Mohanasundar Radhakrishnan

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