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Riverbank Filtration - Improving Source-Water Quality (Paperback, New edition)
Loot Price: R1,620
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Riverbank Filtration - Improving Source-Water Quality (Paperback, New edition)
Series: Water Science and Technology Library, 43
Expected to ship within 10 - 15 working days
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Chittaranjan Ray, Ph. D., P. E. University of Hawaii at Manoa
Honolulu, Hawaii, United States Jurgen Schubert, M. Sc. Stadtwerke
Dusseldorf AG Dusseldorf, 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."
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