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International Journal Of Rural Development, Environment And Health Research(IJREH)

The Reuse of Treated Wastewater via Groundwater Recharge for the Development of Sustainable Water Resources

Saeid Eslamian , Elahe Hedayat , Saleh Tarkesh Esfahani , Kaveh Ostad-Ali-Askari , Vijay P. Singh , Nicolas R. Dalezios , Mohammed Matouq


International Journal of Rural Development, Environment and Health Research(IJREH), Vol-2,Issue-5, September - October 2018, Pages 62-67, 10.22161/ijreh.2.5.4

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Due to the reduction of groundwater resources, the artificial recharge of these resources through the reuse of treated wastewater (modified water) is an efficient way to tackle the problem. Some of the most important goals to be achieved regarding such a situation are the development of underground resources, building barriers to help avoid the penetration of the saline water to the underground water table in the coastal areas, creating additional levels of water treatment by soil and controlling the soil settlement. The modified water helps to compensate for the underground water. Asthe additional stage of the purification of the modified water offers assurance on the sewage management system, this natural water treatment created underground eliminates the need for costly wastewater treatment processes. Moreover, the groundwater aquifers provide a natural mechanism for the subsurface transfer of the modified water and eliminate the need for the surface storage facilities and associated problems, such as evaporation and the growth of algae, which degrade the water quality. One of the most commonly used methods is the aquifer storage and recovery (ASR) technology, which helps overcome the seasonal imbalance associated with the retrieval systems in the world. In the present paper, the methods used to realize this solution, including among others flood spreading, the soil aquifer treatment (SAT) systems, injection in unsaturated areas, and direct injection are examined. Furthermore, the advantages and disadvantages of using the modified water and the required hydraulic analyzes for designing direct injection wells and injection in unsaturated areas will also be investigated.

Aquifer, ASR, SAT Systems, Penetration.

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