Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 27, issue 13
Articles | Volume 27, issue 13
https://doi.org/10.5194/hess-27-2509-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-27-2509-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 27, issue 13
Research article
 | 
10 Jul 2023
Research article |  | 10 Jul 2023

Improving soil aquifer treatment efficiency using air injection into the subsurface

Ido Arad, Aviya Ziner, Shany Ben Moshe, Noam Weisbrod, and Alex Furman

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Short summary
In a series of long-column experiments, subsurface air injection in soil aquifer treatment (Air-SAT) was tested as an alternative to conventional flooding–drying operation (FDO) in tertiary wastewater (WW) treatment. Our results show that Air-SAT allows for the treatment of increased WW volumes and results in similar or better effluent quality compared with FDO. These results highlight the possibility of using air injection to treat more effluent and alleviate the pressure on existing SAT sites.
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