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 the 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 was 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 the
wastewater applications. High thermal and chemical stability create carbon nanotube 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.
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