整合光催化吸附过程用于氧基环素的去除:使用伏尔伯和其复合物与g-C3N4
Wei Qing Wee1, Lan Ching Sim2, Kah Hon Leong3
1Department of Chemical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Jalan Sungai Long 9, Bandar Sungai Long, 43000, Kajang, Selangor, Malaysia.
Environmental science and pollution research international
|March 11, 2024
概括
伏尔博 (CuVA) 复合物与石墨碳化物显示出对氧化环素 (OTC) 的良好吸附. 温度,而不是光线,增强了去除,CuVA达到80%的OTC去除和高吸附能力.
科学领域:
- 材料科学 材料科学 材料科学
- 环境化学环境化学
- 纳米技术 纳米技术
背景情况:
- 基于石墨碳化物 (g-C3N4) 的复合材料正在探索污染物降解.
- 氧基环素 (OTC) 是水中常见的制药污染物.
研究的目的:
- 为了研究volborthite (CuVA) /g-C3N4复合物的光催化吸附性能,用于OTC去除.
- 评估光线和温度对复合材料效率的影响.
主要方法:
- 通过湿化学方法合成具有不同CuVA含量 (10%,30%,50%) 的CuVA/g-C3N4复合材料.
- 使用各种分析技术对复合材料性能进行表征.
- 在LED照射和黑暗条件下进行吸附和光催化实验.
主要成果:
- 在LED照射下,没有观察到g-C3N4或复合材料的显著光催化活性.
- CuVA复合材料在光线下显示出更好的OTC去除,但温度被确定为主要因素.
- 在pH 5.0和42°C时,CuVA表现出高的OTC吸附能力 (171 mg/g) 和去除率 (90%).
- 复合材料在5个循环中保持了50%的OTC去除效率,没有脱落.
结论:
- 伏尔伯 (CuVA) 具有强大的吸附能力,可用于OTC清除,温度起着至关重要的作用.
- VA/g-C3N4复合材料显示出从污染水中有效和可重复使用的OTC去除的潜力.
关键词:
吸附方式 吸附方式 吸附方式铜 vanadate 的时间.氧化四环环素是一种氧化四环素.光催化作用的光催化伏尔博石是一种伏尔博石.g-C3N4g-C3N4g-C3N4g-C3N4g-C3N4g-C3N4g-C3N4g-C3N4g-C3N4g-C3N4g-C3N4g-C3N4g-C3N4G-C3N4G-C3N4G-C3N4G-C3N4G-C3N4G-C3N4G-C3N4G-C3N4G-C3N4G-C3N4G-C3N4G-C3N4G-C3N4G-C3N4G-C3N4G-C3N4G-C3N4G-C3N4G-C3N4G-C3N4G-C3N4G-C3N4G-C3N4G-C3N4G-C3N-C3N-G-C3N-G-C3N-G-C3N-G-C更多相关视频
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