Efficient Removal of Phenol Red Dye from Polluted Water Using Sustainable Low-Cost Sewage Sludge Activated Carbon: Adsorption and Reusability Studies
2024

Using Sewage Sludge to Remove Phenol Red Dye from Water

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Author Information

Author(s): Aljubiri Salha M., Younes Ayman A. O., Alosaimi Eid H., Abdel-Daiem Mahmoud M., Abdel-Salam Enas T., El-Shwiniy Walaa H.

Primary Institution: University of Bisha

Hypothesis

Optimizing the sewage sludge-derived activated carbons synthesis will yield adsorbents with superior surface characteristics and adsorption capacities.

Conclusion

Sewage sludge-derived activated carbons effectively removed up to 97.69% of phenol red dye from water.

Supporting Evidence

  • The activated carbons produced showed high surface areas of 336.34 m2/g and 498.98 m2/g.
  • ACS1 and ACS2 adsorbents absorbed nearly 89.58% and 97.69% of the phenol red dye, respectively.
  • The adsorption processes were found to be exothermic.
  • The study utilized various characterization techniques including XRD, FT-IR, SEM, and BET analysis.
  • Both activated carbons demonstrated good reusability after multiple adsorption cycles.

Takeaway

This study shows that we can use waste from sewage to make a special kind of charcoal that cleans dirty water by removing harmful dyes.

Methodology

Activated carbons were produced from thickened and unthickened sewage sludge and tested for their ability to adsorb phenol red dye under various conditions.

Limitations

The study may not account for all variables affecting dye removal in real-world scenarios.

Digital Object Identifier (DOI)

10.3390/molecules29245865

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