Biogenic adsorbents for removal of drugs and dyes: A comprehensive review on properties, modification and applications

Mobeen Ur Rehman, Muhammad Babar Taj, Sónia A. C. Carabineiro

Research output: Contribution to journalReview articlepeer-review

3 Citations (Scopus)
29 Downloads (Pure)

Abstract

This comprehensive review explores the potential and versatility of biogenic materials as sustainable and environmentally benign alternatives to conventional adsorbents for the removal of drugs and dyes. Biogenic adsorbents derived from plants, animals, microorganisms, algae and biopolymers have bioactive compounds that interact with functional groups of pollutants, resulting in their binding with the sorbent. These materials can be modified mechanically, thermally and chemically to enhance their adsorption properties. Biogenic hybrid composites, which integrate the characteristics of more than one material, have also been fabricated. Additionally, microorganisms and algae are analyzed for their ability to uptake pollutants. Various influential factors that contribute to the adsorption process are also discussed. The challenge, limitations and future prospects for research are reviewed and bridging gap between large scale application and laboratory scale. This comprehensive review, involves a combination of various biogenic adsorbents, going beyond the existing literature where typically only specific adsorbents are reported. The review also covers the isotherms, kinetics, and desorption studies of biogenic adsorbents, providing an improved framework for their effective use in removing pharmaceuticals and dyes from wastewater.
Original languageEnglish
Article number139477
Number of pages19
JournalChemosphere
Volume338
DOIs
Publication statusPublished - Oct 2023

Keywords

  • Adsorption
  • Biogenic materials
  • Biomass
  • Biopolymers
  • Biosorbents
  • Drugs
  • Dyes
  • Plant-based adsorbents
  • Wastewater

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