Scholarlink

<p>The rampant misuse of pharmaceuticals, including ciprofloxacin, has severely harmed ecosystems. Although oxidative degradation of ciprofloxacin shows promise, it often requires substantial energy consumption. Therefore, developing an eco-friendly and efficient degradation method is crucial. This study investigates the degradation of ciprofloxacin using MXene (Ti<sub>3</sub>C<sub>2</sub>) synthesized via conventional and microwave-assisted (MW) methods. To enhance photocatalytic activity, La/MXene nanocomposites were synthesized using the MW method with three different ratios (1:1, 1:2, and 2:1). Characterization techniques, including FTIR, XRD, SEM, and EDX analysis, confirmed the development of MXene and La/MXene nanocomposites. SEM images revealed lanthanum nanoparticles attached to the surface of MXene layers. The effects of pH, time, and hydrogen peroxide concentration on ciprofloxacin removal were examined. Photocatalytic investigations showed that La/MXene nanocomposites significantly outperformed pure MXene in ciprofloxacin removal. Notably, the La/MXene nanocomposite (1:2) achieved a remarkable removal efficiency of 97.83% within 120&#xa0;min. Adding 0.05% H<sub>2</sub>O<sub>2</sub> further enhanced degradation to 99.05%. The La/MXene nanocomposite demonstrated good recyclability and stability.</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

Enhanced Photocatalytic Degradation of Ciprofloxacin from Pharmaceutical Wastewater Using Microwave-Synthesized Lanthanum/MXene Nanocomposites

  • 期刊论文

  • 发表日期：

    2025年10月10日

查看全文
  • Upasana Bagri,
  • Saima Jan,
  • Ajit Sharma,
  • Prabal Pratap Singh

摘要

The rampant misuse of pharmaceuticals, including ciprofloxacin, has severely harmed ecosystems. Although oxidative degradation of ciprofloxacin shows promise, it often requires substantial energy consumption. Therefore, developing an eco-friendly and efficient degradation method is crucial. This study investigates the degradation of ciprofloxacin using MXene (Ti3C2) synthesized via conventional and microwave-assisted (MW) methods. To enhance photocatalytic activity, La/MXene nanocomposites were synthesized using the MW method with three different ratios (1:1, 1:2, and 2:1). Characterization techniques, including FTIR, XRD, SEM, and EDX analysis, confirmed the development of MXene and La/MXene nanocomposites. SEM images revealed lanthanum nanoparticles attached to the surface of MXene layers. The effects of pH, time, and hydrogen peroxide concentration on ciprofloxacin removal were examined. Photocatalytic investigations showed that La/MXene nanocomposites significantly outperformed pure MXene in ciprofloxacin removal. Notably, the La/MXene nanocomposite (1:2) achieved a remarkable removal efficiency of 97.83% within 120 min. Adding 0.05% H2O2 further enhanced degradation to 99.05%. The La/MXene nanocomposite demonstrated good recyclability and stability.

Graphical Abstract