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Water --- Purification --- Riverbank filtration

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Groundwater --- Water --- Quality --- Purification --- Riverbank filtration

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Water --- Drugs --- Pesticides --- Oxygen --- Hydrogen --- Purification --- Riverbank filtration --- Environmental aspects --- Isotopes

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Riverbank filtration is a low cost, yet efficient water treatment technology. It has most potential to provide safe drinking water to large cities located along rivers or lakes. In particular, it is ideal for large population centres in developing countries, where the cost of building extensive treatment facilities is prohibitive. Water filtration can be successfully implemented using naturally occurring sand and gravel along the river/lake banks. The cost of water produced by this means is much lower than that of water treated in conventional treatment plants. Authored by a multi-disciplinary team of experts, this volume addresses the scientific basis of the filtration process, and also numerous topics of importance for the planning, technical realization, and security of such plants. Their application for the removal of relevant chemical pollutants and a variety of pathogens is analysed in detail.

Civil & Environmental Engineering --- Geography --- Engineering & Applied Sciences --- Earth & Environmental Sciences --- Environmental Engineering --- Physical Geography --- Water --- Purification --- Riverbank filtration --- Filtration --- Earth sciences. --- Water-supply. --- Geochemistry. --- Hydrogeology. --- Geotechnical engineering. --- Geomorphology. --- Earth Sciences. --- Water Industry/Water Technologies. --- Geotechnical Engineering & Applied Earth Sciences. --- Hydrology --- Hydraulic engineering. --- Chemical composition of the earth --- Chemical geology --- Geological chemistry --- Geology, Chemical --- Chemistry --- Earth sciences --- Engineering, Hydraulic --- Engineering --- Fluid mechanics --- Hydraulics --- Shore protection --- Engineering, Geotechnical --- Geotechnics --- Geotechnology --- Engineering geology --- Geomorphic geology --- Physiography --- Physical geography --- Landforms --- Availability, Water --- Water availability --- Water resources --- Natural resources --- Public utilities --- Water resources development --- Water utilities --- Geohydrology --- Geology --- Groundwater --- Riverbank filtration. --- Riverbank infiltration

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Chittaranjan Ray, Ph. D. , P. E. University of Hawaii at Mãnoa Honolulu, Hawaii, United States Jürgen Schubert, M. Sc. Stadtwerke Düsseldorf AG Düsseldorf, Germany Ronald B. Linsky National Water Research Institute Fountain Valley, California, United States Gina Melin National Water Research Institute Fountain Valley, California, United States 1. What is Riverbank Filtration? The purpose ofthis book is to show that riverbank filtration (RBF) isa low-cost and efficient alternative water treatment for drinking-water applications. There are two immediate benefits to the increased use of RBF: Minimized need for adding chemicals like disinfectants and coagulants to surface water to control pathogens. Decreased costs to the community without increased risk to human health. Butwhat,exactly, isRBF? In humid regions, river water naturally percolates through the ground into aquifers (which are layers of sand and gravel that contain water underground) during high-flow conditions. In arid regions, most rivers lose flow, and the percolating water passes through soil and aquifer material until it reaches the water table. During these percolation processes, potential contaminants present in river water are filtered and attenuated. If there are no other contaminants present in the aquifer or ifthe respective contaminants are present at lower concentrations, the quality of water in the aquifer can be ofhigher quality than that found in theriver. In RBF, production wells — which are placed near the banks ofrivers —pump large quantities ofwater.

Environment. --- Geochemistry. --- Hydrogeology. --- Air pollution. --- Water pollution. --- Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution. --- Atmospheric Protection/Air Quality Control/Air Pollution. --- Water --- Purification --- Riverbank filtration. --- Aquatic pollution --- Fresh water --- Fresh water pollution --- Freshwater pollution --- Inland water pollution --- Lake pollution --- Lakes --- Reservoirs --- River pollution --- Rivers --- Stream pollution --- Water contamination --- Water pollutants --- Water pollution --- Pollution --- Waste disposal in rivers, lakes, etc. --- Air --- Air contaminants --- Air pollutants --- Air pollution --- Air pollution control --- Air toxics --- Airborne pollutants --- Atmosphere --- Contaminants, Air --- Control of air pollution --- Pollutants, Air --- Toxics, Air --- Air quality --- Atmospheric deposition --- Geohydrology --- Geology --- Hydrology --- Groundwater --- Chemical composition of the earth --- Chemical geology --- Geological chemistry --- Geology, Chemical --- Chemistry --- Earth sciences --- Riverbank filtration --- Riverbank infiltration --- Control --- Filtration