通过比较在电放和UV-LED/WO3反应堆中合成氨酸染料废水的去除:使用统计的塔古奇优化方法
Negar Namjoo1, Mohammad Delnavaz2, Seyed Sajad Mahdian1
1Faculty of Engineering, Civil Engineering Department, Kharazmi University, Tehran, 15719-14911, Iran.
Environmental science and pollution research international
|October 4, 2023
概括
先进的氧化工艺 (AOP) 为水污染提供了解决方案. 与UV-LED/WO3光催化相比,等离子处理显示出更高的染料去除效率,达到90%以上的降解.
科学领域:
- 环境化学环境化学
- 水处理技术水处理技术
- 先进的氧化过程 先进的氧化过程
背景情况:
- 越来越多的水污染需要有效的处理解决方案.
- 先进的氧化工艺 (AOP) 是污染物降解的一个有前途的方法.
- 反应蓝色19是一种常见的工业染料污染物.
研究的目的:
- 为了比较UV-LED/WO3光催化和等离子体过程的效率,以去除反应蓝色19.
- 使用塔古奇模型优化光催化剂过程参数.
- 为了评估等离子体的氧化能力与光催化.
主要方法:
- 使用UV-LED/WO3的光催化降解通过Taguchi方法分析,不同的接触时间,pH,催化剂和污染物剂量.
- 在特定的电压和pH条件下使用等离子处理来降解染料.
- 对于这两种工艺,降解效率都得到了量化.
主要成果:
- 塔古奇模型准确地预测了光催化剂的性能 (R2>95%).
- 紫外线LED/WO3的最佳条件是10 mg/L染料,1 g/L催化剂,180分钟,达到>75%的降解.
- 在pH 2和13.5kV下,等离子处理在4分钟内实现了10mg/L染料90%以上的降解.
结论:
- 等离子体工艺的氧化能力高于UV-LED/WO3光催化剂,用于反应蓝色19的去除.
- 优化光催化是有效的,但效率低于等离子治疗.
- 对用于工业染料废水处理的等离子体进行进一步的研究是有必要的.
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