NDLI: Potential of river bank filtration (RBF) in Egypt

Content Provider	Springer Nature Link
Author	Ghodeif, K. Grischek, T. Bartak, R. Wahaab, R. Herlitzius, J.
Copyright Year	2016
Abstract	Drinking water supply in Egypt is based on surface water abstraction (91.4 %), groundwater (8.3 %) and desalination (0.24 %). As Egypt is currently facing problems with the pollution of surface water by industrial, agricultural and municipal inflows, riverbank filtration would offer a low cost alternative for pre-treatment of raw water for potable use. The objective of this paper is to evaluate the potential of riverbank filtration in Egypt based on drilling at potential sites and monitoring of both water level and water quality parameters. The evaluation of six sites receiving a bank filtration share of more than 50 % and producing drinking water has proven the feasibility of riverbank filtration in Egypt. Favorable hydrogeological conditions exist both along the river Nile in Upper Egypt and on main canals in the desert fringes. Key issues for the feasibility of riverbank filtration in Egypt were found to be the hydraulic connection between surface waters and the adjacent aquifer and the landside groundwater quality. The river Nile in Upper Egypt has fully to partially cut through surficial clayey sediments and is in hydraulic connection with a Quaternary aquifer that is comprised of sandy riverine sediments. The sandy riverbed and coarse aquifer materials have a sufficient hydraulic conductivity for riverbank filtration. Islands and stretches of the river channel that have convex sides are favorable for siting RBF schemes to receive a high portion of bank filtrate and limit mixing with land-side groundwater, which contains high concentrations of iron and manganese. The main benefits of RBF would be the removal of pathogens, algae and turbidity. It is recommended that wells are constructed at short distances from the river bank, to get a high share of bank filtrate.
Starting Page	1
Ending Page	13
Page Count	13
File Format	PDF
ISSN	18666280
Journal	Environmental Earth Sciences
Volume Number	75
Issue Number	8
e-ISSN	18666299
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-04-11
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Riverbank filtration Drinking water treatment River Nile Egypt Geology Hydrology/Water Resources Geochemistry Environmental Science and Engineering Terrestrial Pollution Biogeosciences
Content Type	Text
Resource Type	Article
Subject	Global and Planetary Change Earth-Surface Processes Soil Science Environmental Chemistry Pollution Geology Water Science and Technology

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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