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January 25, 2026PLoS ONEOpen Access

A novel template-free synthesis of Na-A Zeolite for enhanced removal of heavy metals from aqueous solutions

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Authors

MAMutairah S. AlshammariMAMaryam AL_nosairyMAMha Albqmi

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Overview

Novel synthesis method enhances heavy metal removal in wastewater, indicating increased environmental safety.

Key Points

  • This research aims to develop a novel synthesis approach for Na-A zeolite to improve its effectiveness in removing heavy metals from contaminated water.
  • Developed a DES-assisted microwave hydrothermal synthesis route for Na-A zeolite.
  • Conducted structural characterization using XRD, SEM, FT-IR, BET, and EDX.
  • Performed batch adsorption experiments to test adsorption of various heavy metal ions under different conditions.
  • Analyzed data using kinetic modeling and isotherms to understand adsorption dynamics.
  • Investigated dynamic adsorption performance in fixed-bed columns with modeling using Thomas and other equations.
  • Achieved fast equilibrium adsorption (within 90 minutes) for most heavy metal ions.
  • Adsorption kinetics followed a pseudo-second-order model; equilibrium data fitted well with the Langmuir isotherm.
  • Demonstrated high removal efficiency, especially for lead ions, and maintained performance over multiple cycles.
  • Effective dynamic adsorption behavior confirmed through modeling, showcasing continuous treatment potential.

Cite This Study

Alshammari et al. (2026) studied this question.

synapsesocial.com/papers/6975b36bfeba4585c2d6ed52https://doi.org/10.1371/journal.pone.0341007
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