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Nanotechnology

Biodegradable Nanocomposite Shows Promise for Water Treatment

Strategic Insights

— 1 min read

Researchers at Shoolini University have developed an innovative biodegradable nanocomposite, AC/PAAm-cl-XG, that demonstrates excellent adsorption performance for removing dyes from water. The nanocomposite is synthesized by integrating activated carbon, polyacrylamide, and xanthan gum, resulting in a multifunctional structure that enhances adsorption efficiency and environmental compatibility. The study, published in the International Journal of Biological Macromolecules, has been peer-reviewed and highlights the potential of the nanocomposite as a sustainable solution for water treatment.

Key Takeaways:

  • The AC/PAAm-cl-XG nanocomposite exhibits high adsorption capacity, with a maximum capacity of 1094.2 mg/g, surpassing many previously reported AC and XG-based adsorbents.
  • The nanocomposite follows the Langmuir isotherm model, indicating monolayer adsorption, and adheres to the pseudo-second-order model, suggesting chemisorption plays a dominant role.
  • The study evaluates thermodynamic parameters, indicating that adsorption is both spontaneous and exothermic.
  • The nanocomposite exhibits strong reusability, maintaining 81% of its dye removal efficiency after four consecutive cycles.
  • The research concludes that the AC/PAAm-cl-XG nanocomposite is a biodegradable, economical, and efficient adsorbent with significant potential for dye removal in water treatment applications.

Statistics:

  • Maximum adsorption capacity: 1094.2 mg/g
  • Monolayer adsorption capacity:
  • Pseudo-second-order model rate constant (k2):
  • Thermodynamic parameters:

+ Gibbs free energy change (ΔG):

+ Enthalpy change (ΔH):

+ Entropy change (ΔS):

  • Reusability percentage: 81% after 4 consecutive cycles

Sources:

  • Research paper: "Activated carbon/polyacrylamide-cl-xanthan gum nanocomposite for adsorption of methylene blue dye" (International Journal of Biological Macromolecules, 2025:146186)
  • Researcher contact information: Pooja Dhiman, International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University, Solan, H.P, India
  • Publisher contact information: Elsevier, Radarweg 29, 1043 NX Amsterdam, Netherlands (www.elsevier.com)
  • Journal contact information: International Journal of Biological Macromolecules, Elsevier, Radarweg 29, 1043 NX Amsterdam, Netherlands (www.journals.elsevier.com/international-journal-of-biological-macromolecules)

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