Ground Water Recharge Mechanism
Published on by Quazi Ahmad Faruque, Deputy Executive Director at Ashrai in Technology
Taxonomy
- Groundwater
- Groundwater Recharge
- Groundwater Assessment
- Groundwater Quality & Quantity
2 Answers
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I agree with Alain. The depth of the aquifer and the soil permeability will largely determine the solution.
Over 10 years ago we recharged ground water for potable water production using natural dune ponds starting from municipal sewage after advanced biological treatment followed by UF + RO with multiple barriers and full HACCP monitoring.
If interested, I can send you more information about this case via email.
2 Comments
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Hi Bruno, this may be rather late but I am interested to hear more about the technology for municipal sewage to GW recharge. Can you share? Thanks.
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Depends on the nature of the prevailing hydrogeology.
Your question does suggest that you are referring to a shallow, unconfined aquifer. In which case percolation ponds are a good and low-tech option (does need periodic cleaning to sort of clean the "filter").If deeper or artesian/confined, you are likely looking at a managed aquifer recharge scheme using injection wells. Effective but not so simple.
If you need more info, contact me and I can help you out or put you in touch with some of the world's leading experts on aquifer recharge.