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<p>Pesticides are highly toxic compounds, and their removal from contaminated water is challenging. This study displays the synthesis of activated carbon-enriched zinc peroxide (ZnO<sub>2</sub>-AC) via an easy wet chemical route and its applicability in removing toxic acetamiprid (ACT) from contaminated water through adsorption. ZnO<sub>2</sub>-AC has been shown to removal 99.3% of acetamiprid from contaminated water and 93.2% removal from real wastewater, exhibiting maximal removal efficiency of 166.67&#xa0;mg/g within 40&#xa0;min of adsorption duration and over a wide pH range of 1 to 11. The high efficiency of ZnO<sub>2</sub>-AC is attributed to its smaller particle size (~ 22.68&#xa0;nm) and high surface area (~ 609.56 m<sup>2</sup>/g) as revealed by Dynamic light scattering (DLS) and Brunauer–Emmett–Teller&#xa0;(BET) surface area analysis, respectively. Acetamiprid adsorption on ZnO<sub>2</sub>-AC adheres to the Langmuir adsorption isotherm model and Pseudo-second order kinetics model, revealing rapid monolayer formation. ZnO<sub>2</sub>-AC promises to be effective, easily synthesized, environment-friendly, non-polluting, and highly potent to revolutionize water purification.</p>

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Zinc Peroxide-based Carbon Composite for the Removal of Highly Toxic Insecticide Acetamiprid from Water

  • 期刊论文

  • 发表日期：

    2025年12月11日

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  • Shrawan Kumar,
  • Harshit Gupta,
  • Arvind Gautam,
  • Nahar Singh

摘要

Pesticides are highly toxic compounds, and their removal from contaminated water is challenging. This study displays the synthesis of activated carbon-enriched zinc peroxide (ZnO2-AC) via an easy wet chemical route and its applicability in removing toxic acetamiprid (ACT) from contaminated water through adsorption. ZnO2-AC has been shown to removal 99.3% of acetamiprid from contaminated water and 93.2% removal from real wastewater, exhibiting maximal removal efficiency of 166.67 mg/g within 40 min of adsorption duration and over a wide pH range of 1 to 11. The high efficiency of ZnO2-AC is attributed to its smaller particle size (~ 22.68 nm) and high surface area (~ 609.56 m2/g) as revealed by Dynamic light scattering (DLS) and Brunauer–Emmett–Teller (BET) surface area analysis, respectively. Acetamiprid adsorption on ZnO2-AC adheres to the Langmuir adsorption isotherm model and Pseudo-second order kinetics model, revealing rapid monolayer formation. ZnO2-AC promises to be effective, easily synthesized, environment-friendly, non-polluting, and highly potent to revolutionize water purification.