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臭氧纳米泡技术作为一种新型的AOP,用于在高盐度条件下降解污染物

Priya Koundle¹, Neelkanth Nirmalkar¹, Malwina Momotko²

¹Department of Chemical Engineering, Indian Institute of Technology Ropar, Rupnagar 140001, India.

|August 4, 2024

概括

臭氧纳米泡技术通过增强臭氧质量转移和活性氧物种生成,有效降解高盐度废水中的污染物. 这种先进的氧化过程显示出比工业废水处理的微气泡更高的性能.

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:

传统的水处理系统因盐污染物相互作用和副产品形成而面临高盐度问题.
臭氧在水中的有限溶解性和不稳定性限制了其在气液处理过程中的应用.
低质量转移是臭氧水处理系统的一个关键限制.

研究的目的:

研究臭氧纳米泡技术,以在高盐度条件下降解污染物.
通过改善气液质量转移来提高臭氧化的效率.
探索纳米泡增强臭氧化背后的机制.

主要方法:

采用臭氧纳米泡技术,用于先进的污染物氧化.
研究的质量转移系数和反应性氧物种 (ROS) 生成.
采用电子自旋共振 (ESR) 来确认激素降解机制.
测试了甲蓝染料作为模型污染物的降解.

主要成果:

与微气泡相比,臭氧纳米泡显著增加了质量转移系数 (3-3.5分-1).
纳米气泡通过充电接口增强了ROS生成,并提供了活性反应表面.
臭氧纳米泡的甲蓝染料降解率远高于臭氧微泡.
通过ESR分析证实了激进降解途径.

结论:

臭氧纳米泡技术是一种高效的先进氧化工艺,用于处理高盐度的工业废水.
增强的质量转移和ROS生成机制有助于纳米泡臭氧化的卓越性能.
这项技术在工业规模的织废水处理中具有重大潜力.

关键词:

泡动力学泡动力学泡动力学新兴有机污染物新兴有机污染物基激素是基基的组成部分.氧化激活的激活方式过程强化过程强化.污水处理污水处理污水处理

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