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Optimization of water quality in bank filtration through identification of pumping sequences

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Optimization of water quality in bank filtration through identification of pumping sequences

Mitacs Grant Supplement - 2024

Description

Bank filtration (BF) is a natural and economical solution for the pretreatment of drinking water, using the infiltration of surface water into aquifers near rivers and lakes. However, the presence of iron (Fe) and manganese (Mn) in the raw water pumped can affect its quality and pose operational challenges. This project aims to optimize pumping strategies to improve the quality of water from the BF and anticipate the impacts of climate change on this technology.

Objectives

  1. Analyze short-term variations in water quality and model hydrogeochemical processes.
  2. Develop a pumping strategy that reduces contaminant concentrations (Fe and Mn).
  3. Develop a water quality index to guide operations based on key parameters (turbidity, dissolved oxygen, etc.).
  4. Simulate future hydro-climatic scenarios to anticipate the effects of floods and droughts on the BF.

Expected outcomes:

  • Reduced operating costs for municipalities
  • Improving the quality of drinking water supplied to citizens
  • Strategy adaptable to various onshore filtration sites in Quebec
  • Strengthening the resilience of water supply systems in the face of climate change

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