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Books > Earth & environment > The environment > Pollution & threats to the environment
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Arsenic in Ground Water (Paperback, Softcover reprint of the original 1st ed. 2003)
Loot Price: R2,924
Discovery Miles 29 240
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Arsenic in Ground Water (Paperback, Softcover reprint of the original 1st ed. 2003)
Expected to ship within 10 - 15 working days
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Potable water supplies that contain arsenic concentrations high
enough to pose a human health hazard are a problem of international
proportion. Surface water and ground water are both at risk of
arsenic contamination. However, most incidences of high
concentrations of arsenic have been reported for ground water,
which is the subject of this book. The geochemistry of arsenic in
aqueous environments is complex. This book consolidates much of
what is known about the geochemistry of arsenic and provides new
information on relationships between high concentrations of arsenic
in ground water and geochemical environments. The subject matter of
this book ranges in scope from molecular-scale geochemical
processes that affect the mobility of arsenic in ground water, to
arsenic contaminated ground water at the national scale. Chapters
were contributed by an international group of research scientists
from a broad range of backgrounds.
Information includes reviews of existing thermodynamic data for
arsenic containing mineral phases and aqueous arsenic species,
factors that affect adsorption of arsenic in common ground water
environments, and spectroscopic techniques used to determine the
chemical reactions controlling arsenic partitioning between solid
and liquid phases at particle-water interfaces. A significant
portion of this book is devoted to regions where high
concentrations of arsenic in ground waters have a natural source.
The original source of arsenic can vary; however, arsenic becomes
concentrated in the solid and aqueous phases of an aquifer given
appropriate geochemical conditions. Often, high arsenic
concentrations in the solid phase become mobile if there is a
change in ground water chemistry, either natural or
anthropogenically induced. Research presented in this book covers
several different geologic settings and provides explanations of
the geochemical processes that have caused the arsenic
concentrations observed in ground water. In situ remediation of
arsenic-contaminated ground water can provide a relatively
inexpensive alternative to above ground treatment. One chapter of
this book discusses natural remediation of an aquifer where
naturally occurring arsenic was mobilized by leachate from a
landfill. Two chapters discuss results from field experiments
designed to alter aquifer geochemistry in order to remove arsenic
from ground water prior to withdrawal.
This book will be of interest to scientists working in the field of
arsenic, health professionals interested in arsenic exposure, and
water-resource managers and regulators.
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