Scholarlink

<p>Clean and fresh water for drinking is very rare nowadays. Fresh water is contaminated by industrial waste. To overcome this problem many experiments had been performed. The given study covered the metal spinel nano-ferrites (MFe<sub>2</sub>O<sub>4</sub>, where M=Bi, Pb Cu Cr) were synthesized using a sol–gel method and evaluated for their efficiency in elimination of Turkish Blue-248 colorant from solution in water. Thermogravimetric TGA, Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and X-ray diffraction (XRD) were used to evaluate the produced magnetic nano-ferrites. It was determined that these ferrites are an effective adsorbent for Turkish Blue-248 dye at pH 2 (qe = 8.04&#xa0;mg/g) Dose 0.01&#xa0;g (qe = 33.5&#xa0;mg/g), contact time (qe = 83.69&#xa0;mg/g), Initial dye concentration (qe = 77.14&#xa0;mg/g), and temperature (qe = 81.66&#xa0;mg/g). The XRD of the nano ferrites indicate the high level of crystallinity in both synthesized particles. Similarly, the SEM analysis of Bismuth and lead nano ferrites had shown the homogenous and uniform distributions of the constituents. The FTIR analysis confirms the production of both nano particles. The TGA data indicates that ferrites may be utilized without losing its properties when it thermally breaks down. According to kinetic and isothermal studies, pseudo-first (R<sup>2</sup> = 0.019) and second order kinetics (R<sup>2</sup> = 0.992) were followed by adsorption. The Temkin (R<sup>2</sup> = 0.413), Freundlich (R<sup>2</sup> = 0.747), and Langmuir isotherms (R<sup>2</sup> = 1) all point to a monolayer chemisorption process. The results demonstrate that metal spinel nano-ferrites, particularly BiCuFe<sub>2</sub>O<sub>4</sub> and PbCrFe<sub>2</sub>O<sub>4</sub> are promising, reusable adsorbents for effective dye removal in wastewater treatment applications.</p> Graphical Abstract <p></p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Tuning the adsorptive performance of spinel ferrites for the effective decontamination of Turkish blue dye

  • 期刊论文

  • 发表日期：

    2025年12月4日

查看全文
  • N. Chaudary,
  • G. Mustafa,
  • S. Tariq

摘要

Clean and fresh water for drinking is very rare nowadays. Fresh water is contaminated by industrial waste. To overcome this problem many experiments had been performed. The given study covered the metal spinel nano-ferrites (MFe2O4, where M=Bi, Pb Cu Cr) were synthesized using a sol–gel method and evaluated for their efficiency in elimination of Turkish Blue-248 colorant from solution in water. Thermogravimetric TGA, Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and X-ray diffraction (XRD) were used to evaluate the produced magnetic nano-ferrites. It was determined that these ferrites are an effective adsorbent for Turkish Blue-248 dye at pH 2 (qe = 8.04 mg/g) Dose 0.01 g (qe = 33.5 mg/g), contact time (qe = 83.69 mg/g), Initial dye concentration (qe = 77.14 mg/g), and temperature (qe = 81.66 mg/g). The XRD of the nano ferrites indicate the high level of crystallinity in both synthesized particles. Similarly, the SEM analysis of Bismuth and lead nano ferrites had shown the homogenous and uniform distributions of the constituents. The FTIR analysis confirms the production of both nano particles. The TGA data indicates that ferrites may be utilized without losing its properties when it thermally breaks down. According to kinetic and isothermal studies, pseudo-first (R2 = 0.019) and second order kinetics (R2 = 0.992) were followed by adsorption. The Temkin (R2 = 0.413), Freundlich (R2 = 0.747), and Langmuir isotherms (R2 = 1) all point to a monolayer chemisorption process. The results demonstrate that metal spinel nano-ferrites, particularly BiCuFe2O4 and PbCrFe2O4 are promising, reusable adsorbents for effective dye removal in wastewater treatment applications.

Graphical Abstract