Bank filtration for climate resilience: potentiality of a new site along the Ismailia Canal in Egypt

• Autorzy: Ghodeif Kamal , Wahaab Rifaat A. , Grischek Thomas , Afifi Hana , Wahsh Neveen

Identyfikatory

DOI

10.2478/logos-2022-0004

• Języki publikacji: EN

Abstrakty

EN

Bank filtration (BF) is a nature-based solution that can provide safe drinking water at a low cost, in being a green technology that benefits from natural ecosystem services and saves energy as well. The objective of the present paper is to evaluate the potentiality of a new site for bank filtration along a surface water source that experiences periods of both high and low flow. This site is located along the Ismailia Canal in the eastern Nile Delta fringe of Egypt. The present evaluation is based on exploratory drilling, installation of monitoring infrastructure and monitoring of both water level and water quality parameters for one year. The site has favourable hydrogeological conditions; the mean hydraulic conductivity of aquifer materials (sand and gravel) is 18.98 m/day. Moreover, there is a hydraulic connection between canal and aquifer; under steady conditions, the canal feeds the aquifer. Using different tracers, such as Cl, EC, Sr and SO4, the average bank filtration share is in excess of 95%. BF has reduced the particulates (turbidity) by 96%, total coliform by 99 % and total organic carbon (TOC) expressed as ultra-violet absorbance at 254 wavelengths (UVA254) by 44%. In addition, BF reduces concentrations of disinfection by-products due to its ability to remove organic matter. The potential degradation of TOC in the canal bed sediments may cause the release of iron (Fe) and manganese (Mn) to the bank filtrate water; this process is exaggerated during low-flow periods. Compared to conventional water treatment, BF is a cost-effective green technology, because no chemicals are used and no waste products are generated.

Słowa kluczowe

EN

green technology; low flow; drinking water; water quality; residence time

PL

technologia ekologiczna; przepływ niski; woda pitna; jakość wody; czas pobytu

• Wydawca: Uniwersytet im. Adama Mickiewicza. Instytut Geologii
• Czasopismo: Geologos
• Rocznik: 2022
• Tom: Vol. 28, No. 1
• Strony: 51--60
• Opis fizyczny: Bibliogr. 30 poz.

Twórcy

autor

Ghodeif Kamal

• Department of Geology, Suez Canal University, 4.5 km the Ring Road, 41522 Ismailia, Egypt
• Holding Company for Water and Wastewater, Corniche El-Nile, Rod El-Farag, 11631 Cairo, Egypt

autor

Wahaab Rifaat A.

• Holding Company for Water and Wastewater, Corniche El-Nile, Rod El-Farag, 11631 Cairo, Egypt
• Environmental Science Division, National Research Centre, 12622 Cairo, Egypt

autor

Grischek Thomas

• Dresden University of Applied Sciences, Friedrich-List-Platz 1, 01069 Dresden, Germany

autor

Afifi Hana

• Department of Geology, Suez Canal University, 4.5 km the Ring Road, 41522 Ismailia, Egypt

autor

Wahsh Neveen

• Department of Geology, Suez Canal University, 4.5 km the Ring Road, 41522 Ismailia, Egypt

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).