Scholarlink

<p>This research examined the electrocatalytic removal of the antibiotic ciprofloxacin (CIP) using Ti/TiO<sub>2</sub> anodes modified with ZrO<sub>2</sub> and Bi<sub>2</sub>O<sub>3</sub> nanoparticles. The anodes were prepared utilizing the simple electrophoretic deposition technique, leading to the development of a uniform, dense, and stable nanoparticle coating. Physicochemical characterization through field emission scanning electron microscopy (FESEM) and energy-dispersive X-ray spectroscopy (EDS) demonstrated a porous morphology and confirmed the presence of Ti, O, Zr, and Bi within the coating, while X-ray diffraction (XRD) confirmed the crystalline TiO<sub>2</sub> matrix and the presence of ZrO<sub>2</sub> and Bi<sub>2</sub>O<sub>3</sub> phases. Furthermore, electrochemical assessments indicated that the ternary nanocomposite Ti/TiO<sub>2</sub>–ZrO<sub>2</sub>–Bi<sub>2</sub>O<sub>3</sub> anode exhibited reduced charge transfer resistance (Rct = 8925 Ω/cm<sup>2</sup>), enhanced electrocatalytic performance, and a significantly longer lifespan (approximately 150 h) compared to other samples. Moreover, according to the results derived from modeling with R<sup>2</sup> = 0.9781, the influence of operational variables was examined, revealing that acidic pH, minimal Na<sub>2</sub>SO<sub>4</sub> concentration, moderate current density, and suitable process duration significantly enhanced the removal efficiency. Ultimately, the results suggest that the proposed anode has significant potential to provide researchers with new opportunities for the design and improvement of anodes.</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

Electrocatalytic removal of ciprofloxacin using modified Ti/TiO2 anodes with ZrO2 and Bi2O3 nanoparticles modeled via CCD-RSM approach

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年11月26日

查看全文
  • Mahdieh Najarian,
  • Fatemeh Mahmoudian,
  • Farideh Nabizadeh Chianeh

摘要

This research examined the electrocatalytic removal of the antibiotic ciprofloxacin (CIP) using Ti/TiO2 anodes modified with ZrO2 and Bi2O3 nanoparticles. The anodes were prepared utilizing the simple electrophoretic deposition technique, leading to the development of a uniform, dense, and stable nanoparticle coating. Physicochemical characterization through field emission scanning electron microscopy (FESEM) and energy-dispersive X-ray spectroscopy (EDS) demonstrated a porous morphology and confirmed the presence of Ti, O, Zr, and Bi within the coating, while X-ray diffraction (XRD) confirmed the crystalline TiO2 matrix and the presence of ZrO2 and Bi2O3 phases. Furthermore, electrochemical assessments indicated that the ternary nanocomposite Ti/TiO2–ZrO2–Bi2O3 anode exhibited reduced charge transfer resistance (Rct = 8925 Ω/cm2), enhanced electrocatalytic performance, and a significantly longer lifespan (approximately 150 h) compared to other samples. Moreover, according to the results derived from modeling with R2 = 0.9781, the influence of operational variables was examined, revealing that acidic pH, minimal Na2SO4 concentration, moderate current density, and suitable process duration significantly enhanced the removal efficiency. Ultimately, the results suggest that the proposed anode has significant potential to provide researchers with new opportunities for the design and improvement of anodes.