Effect of Substituent Groups on the Adsorption Efficiency of Phenols by Activated Carbon Developed by Hydrothermally Treated Phyllanthus Emblica Fruit Stone
2024

Using Activated Carbon from Phyllanthus Emblica Fruit Stone to Remove Phenols from Water

publication 10 minutes Evidence: moderate

Author Information

Author(s): Suhas Kushwaha, Monika Chaudhary, Shubham Chaudhary, Vaishali Tyagi, Isabel Pestana da Paixão, Mohammad Hadi Dehghani

Primary Institution: Department of Chemistry, Gurukula Kangri (Deemed to Be University), Haridwar, India

Hypothesis

The study investigates how different substituent groups on phenols affect their adsorption efficiency by activated carbon derived from Phyllanthus emblica fruit stone.

Conclusion

The activated carbon developed from Phyllanthus emblica fruit stone effectively removes phenols from wastewater, with the adsorption process being endothermic and spontaneous.

Supporting Evidence

  • The activated carbon produced showed a surface area of 569 m2 g−1.
  • The adsorption process was found to be endothermic and spontaneous.
  • The Langmuir model best described the adsorption isotherms for the phenols studied.
  • Adsorption capacities were highest for 4-nitrophenol compared to 4-chlorophenol and phenol.
  • The study highlights the potential of using waste materials for activated carbon production.

Takeaway

This study shows that a special type of charcoal made from a fruit stone can clean harmful chemicals called phenols from water really well.

Methodology

The study used batch adsorption experiments to evaluate the effectiveness of activated carbon in removing phenols from water.

Limitations

The study does not explore the long-term stability of the activated carbon or its performance in real wastewater conditions.

Digital Object Identifier (DOI)

10.3390/toxics12120874

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