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The deterioration of water quality and unavailability of drinkable
water are pressing challenges worldwide. The removal of toxic
organic and inorganic pollutants from water is vital for a clean
environment, as a response to water scarcity. Adsorption-based
water technologies are among the most widely used because of their
high efficiency and low cost, without relying on a complex
infrastructure. In recent years, carbon nanomaterials (CNMs), such
as graphene and derivatives, carbon nanotubes, carbon nanofibers,
nanoporous carbon, fullerenes, graphitic carbon nitride, and
nanodiamonds have been extensively exploited as adsorbents due to
their extraordinary surface properties, ease of modification, large
surface area, controlled structural varieties, high chemical
stability, porosity, low density, ease of regeneration, and
reusability. This book provides a thorough overview of the state of
the art in carbon nanomaterials as they are used for adsorption
applications in water purifications, as well as addressing their
toxicological challenges. This volume primarily explores the
fundamentals of adsorption, its mechanical aspects, synthesis and
properties of CNMs, and adsorption performances of CNMs and their
nanocomposites with organic and inorganic materials. Structural
engineering and activation processes produce materials with
enhanced adsorptive properties and separation efficiencies.
Furthermore, the formation of CNMs with 2D and 3D macro-and
microstructures and high porosities is a potential approach to
improve adsorption performances and extend CNM use at the
industrial level. The book also addresses important issues
regarding these adsorbents that potentially affect future research
and industrial applications of carbon-based nanoadsorbents in water
security.
This book focuses on recent developments in the field of
two-dimensional nanomaterials for environmental applications. Due
to their high surface area and tunable surface chemistry,
two-dimensional nanomaterials are currently garnering great
interest for environmental remediation applications. This book
compiles contributed chapters from active international researchers
dealing with the development of state-of-the-art two-dimensional
nanomaterials in environmental applications such as water and
wastewater treatment, adsorption, photocatalysis, membrane
separation, desalination, deionization, environmental pollutants
sensing/detection, carbon-dioxide capture and catalytic conversion,
microbial treatment, and electrochemical remediation. Each
chapter provides an essential and comprehensive overview of the
recent advances in material development and application, giving
special attention to preparation methods, tunning of physiochemical
properties, surface and interface chemistry, structural porosity,
assemblies integration for fabrication of devices, and their
relationship with overall efficiency. It offers a valuable
reference guide for environmental and materials scientists,
engineers, and policymakers working towards environmental
sustainability.
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