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March 14, 2026Open Access

The Influence of Adsorbent Mass and Initial Ion Concentration on The Capacity and Efficiency of Lead (Ii) Ions Adsorption from Aqueous Solutions using Natural Bentonite as Adsorbent

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Authors

AKAmna KarićAOAmra OdobašićEPEdisa Papraćanin

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Overview

Research demonstrates how adsorbent mass and ion concentration affect lead ion removal in water, suggesting optimal conditions for treatment.

Key Points

  • The study aims to investigate how adsorbent mass and initial lead (II) ion concentration influence adsorption capacity and efficiency using natural bentonite.
  • Characterization of bentonite via XRF and SEM/EDS before and after adsorption.
  • Conducted batch adsorption experiments with varying adsorbent mass and lead (II) ion concentrations.
  • Tested initial concentrations of lead (II) ions at 200, 300, and 400 mg/L.
  • Analyzed results at pH 5, temperature of 25 °C, stirring at 200 rpm, with a contact time of 2.5 minutes.
  • Adsorption capacity decreases as adsorbent mass increases for all initial lead concentrations.
  • Adsorption capacity increases with higher initial concentrations of lead (II) ions across all tested adsorbent masses.
  • Adsorption efficiency increases with adsorbent mass but decreases with higher initial ion concentration.

Cite This Study

Karić et al. (2025) studied this question.

synapsesocial.com/papers/69b4fbb1b39f7826a300c0cehttps://doi.org/10.51558/2232-7568.2025.18.1-2.81
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Also Consider

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  1. 1Optimization of pH in Heavy Metal Adsorption Using Natural and Activated Bentonite for Multi-Component Aqueous Solutions Containing Cu²⁺, Fe³⁺, and Pb²⁺2026
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  3. 3Effect of Adsorbent Dosage on the Kinetics and Isotherms of Lead(II) Removal from Aqueous Solution Using Corn Husk2025
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  5. 5Lead (Pb) Sorption Kinetics by Clay Minerals: Bentonite and Zeolite2024