► Description:
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درباره این کتاب:This book
demonstrates the benefits of using
commercially available surfactants, or
surface-active agents, for remediation of
metal-contaminated soil and sediment.
First the book offers theoretical reviews
of commercially available surfactants,
then it proceeds to a study of various
available surfactants for the mobilization
of metals. Surfactants representative of
amphiphiles discovered in the digestive
environment of sediment-ingesting
organisms are used to examine the extent
and rate of metal (Al, Fe, Cd, Cu, Mn, Ni,
Pb, Sn, Zn) mobilization from contaminated
estuarine sediment. Metals can cause
harmful effects to the environment and
organisms. It is difficult to treat
contaminants that are often tightly bound
to the extremely small size of the
estuarine sediments.
The book also demonstrates the mechanisms
of metal mobilization that appear to be
related to complexation with monomers and
adsorption to micelles of the anionic
amphiphiles, and to the denudation of
hydrophobic host phases or coatings on the
sediment by micelles of both anionic and
nonionic surfactants.
Readers obtain a better understanding of
current commercial surfactants, their
impact on the environment, and possible
remediation. This transdisciplinary book
contributes toward Sustainable Development
Goals numbers 6 (Clean Water and
Sanitation) and 13 (Climate Action) set by
the United Nations and is useful for
students and teachers of sediment studies,
coastal studies, environmental sciences,
hydrology, civil engineering, and policy
sciences.
■ در این کتاب چه
میخوانیم:
فهرست مطالب در تصاویر بالا گنجانده شده است.
Bioavailability
of Metals in Sediment (Anu Singh
Bisht)....Pages 9-11 Solubilization of
Metals in Invertebrate Guts (Anu Singh
Bisht)....Pages 13-16 Surfactants (Anu
Singh Bisht)....Pages 17-23 Commercial
Surfactants for Remediation-Introduction
(Anu Singh Bisht)....Pages 25-30
Commercial Surfactants for
Remediation-Methodology (Anu Singh
Bisht)....Pages 31-38 Metal Analysis (Anu
Singh Bisht)....Pages 39-44 Metal
Concentration (Anu Singh Bisht)....Pages
45-46 Kinetics of Metal Release by
Surfactants (Anu Singh Bisht)....Pages
47-57 Surfactant Availability of Metals
(Anu Singh Bisht)....Pages 59-68
Implication of Surfactants in Remediation
(Anu Singh Bisht)....Pages 69-71 General
Discussion and Conclusions (Anu Singh
Bisht)....Pages 73-74 Marine Conservation
and Sustainable Development Goals (Anu
Singh Bisht)....Pages 75-79
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