Applications of bean pod and husk for remediation of water contamination: A review

Ebuka Chizitere Emenike, Hussein K. Okoro, Adewale George Adeniyi, Kingsley O. Iwuozor, Caliphs Zvinowanda, Jane C. Ngila

Research output: Contribution to journalReview articlepeer-review

1 Citation (Scopus)

Abstract

This review explores the use of bean pod and husk materials as natural adsorbents for water contaminants. Amid global water quality concerns and the limitations of conventional treatments, these agricultural byproducts gain recognition for their abundance, eco-friendliness, and versatile adsorption. The study found that modifying the adsorbents enhances their capacity, with K2CO3-activated bean pods showing the highest adsorption capacity at 300 mg/g for naphthalene. Isotherm and kinetic modeling, considering factors like pH and temperature, favored the Freundlich isotherm and pseudo-second-order kinetic models. The review also assessed recyclability, showing multiple uses without significant efficiency loss. Challenges and opportunities in using bean pods and husks for water purification are explored.

Original languageEnglish
Article number101754
JournalBioresource Technology Reports
Volume25
DOIs
Publication statusPublished - Feb 2024

Keywords

  • Biosorption
  • Environmental remediation
  • Low-cost adsorbents
  • Pollution
  • Water/wastewater treatment

ASJC Scopus subject areas

  • Bioengineering
  • Environmental Engineering
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal

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