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<p>Various industries like textile, plastic, pulp, paper and leather industry produce dye-containing wastewater which is crucial concern for living things and the enviroment. This study introduced fascile synthesis of Titanium dioxide-Nickel oxide composite (TiO<sub>2</sub>/NiO) with different ratios, Titanium dioxide (TiO<sub>2</sub>), and Nickel oxide (NiO) by co-precipitation method from their precursors. The functional group, structure, morphology and elemental analysis of these materials were characterized through FTIR, PXRD, SEM, EDS and UV–Vis spectroscopy techniques. Then, the photocatalytic efficiency of the prepared materials was applied for the degradation of methylene blue (MB) dye using direct sun light irradation. After photocatalytic parameter optimization carried out, the optimum parameters for these materials obtained as: catalyst amout 70&#xa0;mg, MB concentration 5&#xa0;mg/L, pH 8 and irradiation time of 150&#xa0;min. At these optimum parameters,the highest degradation efficiency of MB dye acheived when TiO<sub>2</sub>/NiO (50:50) ratio applied as photocatalyst and resulted to be 95.78%. The kinetics of the dye degradation process also studied for this work.</p>

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Facile Synthesis and Characterization of TiO2/NiO Composite for Photocatalytic Removal of Organic Pollutant Under Sunlight Irradiation

  • 期刊论文

  • 发表日期：

    2025年6月14日

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  • Hulugirgesh Degefu Weldekirstos,
  • Petros Girma,
  • Abebe Tedla,
  • Newayemedhin Aberra,
  • Asfaw Negash

摘要

Various industries like textile, plastic, pulp, paper and leather industry produce dye-containing wastewater which is crucial concern for living things and the enviroment. This study introduced fascile synthesis of Titanium dioxide-Nickel oxide composite (TiO2/NiO) with different ratios, Titanium dioxide (TiO2), and Nickel oxide (NiO) by co-precipitation method from their precursors. The functional group, structure, morphology and elemental analysis of these materials were characterized through FTIR, PXRD, SEM, EDS and UV–Vis spectroscopy techniques. Then, the photocatalytic efficiency of the prepared materials was applied for the degradation of methylene blue (MB) dye using direct sun light irradation. After photocatalytic parameter optimization carried out, the optimum parameters for these materials obtained as: catalyst amout 70 mg, MB concentration 5 mg/L, pH 8 and irradiation time of 150 min. At these optimum parameters,the highest degradation efficiency of MB dye acheived when TiO2/NiO (50:50) ratio applied as photocatalyst and resulted to be 95.78%. The kinetics of the dye degradation process also studied for this work.