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Books > Earth & environment > The environment
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Drinking Water Treatment - Focusing on Appropriate Technology and Sustainability (Paperback, 2011 ed.)
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Discovery Miles 32 660
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Drinking Water Treatment - Focusing on Appropriate Technology and Sustainability (Paperback, 2011 ed.)
Series: Strategies for Sustainability
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Sustainable technologies for water supply are urgently needed if
water has to be supplied to billions of less fortunate people with
inadequate access to water. These technologies must be simple, less
expensive, less energy intensive, and easy to maintain for their
adaptation among the poor masses. Four appropriate technologies are
discussed here: solar pasteurization, membrane desalination,
natural filtration (riverbank filtration), and solar distillation.
Solar pasteurization can be a useful means of producing water at
remote, but sunny locations where fuel may not be easily available
for boiling water. Membrane desalination will remain as a viable
means of drinking water production for individual households to
large communities. Various membrane filtration techniques as well
as the means to "democratize" membrane filtration have been
presented. Riverbank filtration is a "natural" filtration technique
where drinking water is produced by placing wells on the banks of
rivers. The riverbed/bank material and the underlying aquifer act
as natural filters to remove pollutants from river water. Solar
distillation can be a viable method of drinking water production
for individual households to small communities without the input of
external energy. Sustainability framework and technology transfer
are discussed through transdisciplinary analysis.
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