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<p>Water pollution with dyes can cause many problems for humans and the environment. So, the treatment of water using simple and effective methods has attracted significant attention recently. In this research, activated carbon (AC)/Fe<sub>3</sub>O<sub>4</sub>/ZnO recyclable, non-toxic, and cost-efficient nanocatalysts were synthesized using a simple hydrothermal method. XRD, EDS, FT-IR, VSM, TEM, and analysis characterized the structural properties of the synthesized AC/Fe3O4/ZnO nanocomposites. XRD, FT-IR, and EDS results confirmed that AC/Fe<sub>3</sub>O<sub>4</sub>/ZnO nanocomposites were synthesized successfully. FESEM and TEM analysis images showed that Fe<sub>3</sub>O<sub>4</sub> and ZnO were grown spherically on activated carbon micro-porous substrates. The photocatalyst activity of AC/Fe<sub>3</sub>O<sub>4</sub>/ZnO nanocomposites was studied by methylene blue dye under UV irradiation. The results confirmed that AC/Fe<sub>3</sub>O<sub>4</sub>/ZnO nanocomposites had high performance in the fast photodegradation of methylene blue dye, and 10&#xa0;ppm methylene blue dye was degraded in 4&#xa0;min. Based on this research, AC/Fe<sub>3</sub>O<sub>4</sub>/ZnO nanocomposite is a high-performance and non-toxic nanocomposite for the removal of methylene blue dye from water.</p> Graphic abstract <p></p>

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Synthesis of activated carbon (AC)/Fe3O4/ZnO nanocomposite for treatment of water from methylene blue dye

  • 期刊论文

  • 发表日期：

    2025年8月13日

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  • Amirmohammad Alimohammadi,
  • Farzad Farahmandzadeh,
  • Elham Molahosseini,
  • Kimia Kermanshahian,
  • Mehdi Molaei

摘要

Water pollution with dyes can cause many problems for humans and the environment. So, the treatment of water using simple and effective methods has attracted significant attention recently. In this research, activated carbon (AC)/Fe3O4/ZnO recyclable, non-toxic, and cost-efficient nanocatalysts were synthesized using a simple hydrothermal method. XRD, EDS, FT-IR, VSM, TEM, and analysis characterized the structural properties of the synthesized AC/Fe3O4/ZnO nanocomposites. XRD, FT-IR, and EDS results confirmed that AC/Fe3O4/ZnO nanocomposites were synthesized successfully. FESEM and TEM analysis images showed that Fe3O4 and ZnO were grown spherically on activated carbon micro-porous substrates. The photocatalyst activity of AC/Fe3O4/ZnO nanocomposites was studied by methylene blue dye under UV irradiation. The results confirmed that AC/Fe3O4/ZnO nanocomposites had high performance in the fast photodegradation of methylene blue dye, and 10 ppm methylene blue dye was degraded in 4 min. Based on this research, AC/Fe3O4/ZnO nanocomposite is a high-performance and non-toxic nanocomposite for the removal of methylene blue dye from water.

Graphic abstract