Background: Clean and clear water is an essential element in our life. Finding new and
innovative approaches to purify water is a critical topic in research and development. Carbon nanotubes
are promising adsorbent for many stable organic compounds. The ability of wastewater treatment
using carbon nanotubes was studied in this review article.
Methods: Adsorption mechanism was discussed based on several research studies. Kinetics and
thermodynamics of sorption were reviewed using carbon nanotubes. This review has discussed the
approach of removing dyes and heavy metal ions from wastewater using nanomaterials as adsorbent.
Furthermore, the paper provides several essential parameters involved in the adsorption mechanism
of carbon nanotubes for wastewater applications.
Results: The results of this review show that carbon nanotubes are an advantageous source of the adsorbent
for wastewater applications. High thermal and chemical stability make carbon nanotubes
more attractive for the wastewater treatment application. It is observed that both kinetics and equilibrium
studies are essential to understand the adsorption phenomena. The adsorption rate constant is
considered an important factor to study the adsorption.
Conclusion: Nanomaterials in the adsorption process make the process more effortless compared to
other types of adsorbents. Carbon nanotubes have several properties that help in surface modification,
which make them an effective and environmentally friendly material for wastewater treatment.
Keywords: Adsorption, carbon nanotubes, kinetics, parameters, thermodynamics, wastewater.
Rights & PermissionsPrintExport