从化品废水中去除有机化合物的先进氧化过程的比较实验评估和经验建模,并进行统计评估
Omnia Ismail1, Taha Ebrahim Farrag2, Y Reda3
1Chemical Engineering Department, Faculty of Engineering, Port Said University, Port Said, Egypt. omnia.ismail@eng.psu.edu.eg.
Scientific reports
|September 29, 2025
概括
照片-芬顿工艺有效地处理化品废水,消除95.5%的化学氧气需求 (COD) 并提高生物降解性. 这种先进的氧化过程是工业废水处理的可持续和经济有效的解决方案.
科学领域:
- 环境化学环境化学
- 水处理技术水处理技术
背景情况:
- 化品废水由于高化学氧气需求 (COD),反抗性有机物和低生物降解性而带来挑战.
- 传统的生物处理系统与化品行业废水的复杂成分作斗争.
研究的目的:
- 评估用于处理真实化品行业废水的先进氧化过程 (AOP).
- 确定一个可持续和可扩展的化品污水处理解决方案.
- 为了比较UV,UV/H2O2,Photo-Fenton和Photo-Fenton类似的过程.
主要方法:
- 批量实验是使用真实的化品废水进行的.
- 研究的参数包括pH值,过氧化剂量,催化剂度 (Fe2+/Fe3+) 和紫外线照射时间.
- 测试了四种AOP:紫外线,紫外线/H2O2,照片芬顿和照片芬顿类.
主要成果:
- 照片-芬顿工艺实现了最高的COD去除 (95.5%),并将BOD5/COD指数从0.28提高到0.8.8.
- 优化条件是pH3,0.75 g/L Fe2+,1 mL/L H2O2,以及40分钟的紫外线照射.
- 伪第一阶动力学最好地描述了降解,表明基参与. 一个回归模型预测了COD去除,R2 = 0.851.1.
结论:
- 照片-芬顿工艺是用于化品废水预处理的高效和经济可行的选择.
- 它提供显著的COD减少和提高生物降解性,使其适合工业应用.
- 进一步的研究应侧重于工艺扩展和与生物处理的整合,以提高可持续性.
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