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May 6, 2026RSC Advances0 citationsOpen Access

Circular waste valorization: humic acid adsorption onto ZnS nanoparticle-loaded biomass and conversion into nutrient-rich alginate beads

JBJ. BalajiRLR. Lakshmipathy

Key Points

  • This research aims to explore the adsorption of humic acid onto ZnS nanoparticle-loaded biomass and its conversion into nutrient-rich alginate beads.
  • Utilized ZnS nanoparticle-loaded biomass for humic acid adsorption
  • Conducted release kinetics analysis using zero-order and Korsmeyer-Peppas models
  • Assessed structural stability through swelling index, FTIR, and SEM techniques
  • Achieved 100% nutrient release within two weeks
  • Supported release kinetics findings with high correlation coefficients and low error values
  • Confirmed structural stability of alginate beads through multiple analytical techniques

Abstract

released faster than humic acid and achieved 100% release within two weeks. The release kinetics of nutrients followed zero-order and Korsmeyer-Peppas (K-P) models, which were supported by correlation coefficients and low error values. The structural stability of the beads was confirmed through a swelling index study and using FTIR and SEM techniques. The overall results suggest the sustainable and circular approach of the present study with no environmental impact.

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Cite This Study

Balaji et al. (2026) studied this question.

synapsesocial.com/papers/69fada7f03f892aec9b1e3eehttps://doi.org/10.1039/d6ra00928j
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