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Indirect Potable Reuse through Aquifer Recharge and Recovery Thomas M. Missimer and Gary Amy

Indirect Potable Reuse through Aquifer Recharge and Recovery Thomas M. Missimer and Gary Amy Water Desalination and Reuse Center King Abdullah University of Science and Technology. Sustainability and Environmental Engineering: Water and Reuse. Current reuse in the KSA

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Indirect Potable Reuse through Aquifer Recharge and Recovery Thomas M. Missimer and Gary Amy

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  1. Indirect Potable Reuse through Aquifer Recharge and Recovery Thomas M. Missimer and Gary Amy Water Desalination and Reuse Center King Abdullah University of Science and Technology Sustainability and Environmental Engineering: Water and Reuse

  2. Current reuse in the KSA Reuse of domestic wastewater currently is 10% or less. Reuse of industrial wastewater is limited to mostly reinjection of produced water with discharge of refinery wastewater to the sea and gas processing wastewater to percolation ponds (productive reuse is minimal). Reuse in the Kingdom of Saudi Arabia

  3. What is aquifer recharge and recovery? ARR is the use of natural systems to provide advanced treatment of impaired waters to remove pathogens and trace organic compounds. In many cases it can be defined as a form of Soil Aquifer Treatment (SAT). This is a low energy, sustainable technology. Reuse in the Kingdom of Saudi Arabia

  4. ARR in Indirect Potable Reuse (IPR) Water Reuse in the Kingdom of Saudi Arabia Wastewater Reservoir Surface spreading or injection using wells Consumer Water Treatment ARR

  5. Attributes of ARR Water Reuse in the Kingdom of Saudi Arabia • A Physico-Biological Process • Filtration and Biodegradation • Biodegradation (Sustainability) vs. Sorption • A Sustainable Process • Low Cost, Low Energy, low GHGs, Minimal Chemicals • Provides Both Treatment and (Subsurface) Storage

  6. Aquifer types that can be used to develop ARR systems in Saudi Arabia -wadi aquifer systems -dune fields -alluvial outwash plains -alluvial fans -engineered filter/aquifer systems Water Reuse in the Kingdom of Saudi Arabia

  7. Water Reuse in the Kingdom of Saudi Arabia Wadis Provide Large Areas for Development of Engineered ARR Systems

  8. Wadi Aquifer System ARR Water Reuse in the Kingdom of Saudi Arabia From Missimer et al., 2012. Restoration of Wadi Aquifers by Artificial Recharge with Treated Wastewater: Ground Water (2012)

  9. Engineered Wadi Aquifer ARR Water Reuse in the Kingdom of Saudi Arabia From Missimer et al., 2012. Restoration of Wadi Aquifers by Artificial Recharge with Treated Wastewater: Ground Water

  10. Water Reuse in the Kingdom of Saudi Arabia ARR in Dune Fields with Basal and Lateral Confinement Dune fields have many advantages for use in ARR -very large storage areas -relatively uniform hydraulic conductivity -high rates of pathogen and organics removal

  11. Why ARR instead of using advanced wastewater treatment techniques? -energy consumption -cost -technology causing lack of trained operators in many areas -reduction in carbon footprint -potential use for both unrestricted irrigation use and indirect potable use Water Reuse in the Kingdom of Saudi Arabia

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