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The study examined the removal of both single- and multimetal from aqueous solutions using orange peel biomass. Numerous tests using the batch mode were carried out at various metal concentrations (5–50 ppm), pH levels (2–5), and contact time (up to 24 h). Zn2+ had the maximum adsorption capacity, followed by Ni2+ in all single- and multimetal sorption tests. Pb2+ > Zn2+ > Ni2+ > Cr6+ for the multimetal system and Cr6+ > Pb2+ > Zn2+ > Ni2+ for the single metal system were the relative adsorption capabilities. The equilibrium isotherms of the single- and multimetal biosorption data were evaluated using the Freundlich adsorption model.

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Removal of Heavy Metals from Single- and Multimetal Solution by Orange Peel Biomass

  • 会议论文

  • 发表日期：

    2026年

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  • Yasmin Ara Begum,
  • Sheetal Kumari,
  • Sunaina,
  • Raghvendra Singh Thakur,
  • Nitin Kumar Agrawal,
  • Animesh Agarwal,
  • Anil Kumar,
  • Neeraj Malik,
  • Shailendra Kumar Jain,
  • Manoj Chandra Garg

摘要

The study examined the removal of both single- and multimetal from aqueous solutions using orange peel biomass. Numerous tests using the batch mode were carried out at various metal concentrations (5–50 ppm), pH levels (2–5), and contact time (up to 24 h). Zn2+ had the maximum adsorption capacity, followed by Ni2+ in all single- and multimetal sorption tests. Pb2+ > Zn2+ > Ni2+ > Cr6+ for the multimetal system and Cr6+ > Pb2+ > Zn2+ > Ni2+ for the single metal system were the relative adsorption capabilities. The equilibrium isotherms of the single- and multimetal biosorption data were evaluated using the Freundlich adsorption model.