| 微纳米气泡形成羟基自由基的研究进展 |
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| 引用本文： | 孙乐,张锋华,杨卫民.微纳米气泡形成羟基自由基的研究进展[J].净水技术,2021,40(2):37-41. |
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| 作者姓名： | 孙乐 张锋华 杨卫民 |
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| 作者单位： | 北京化工大学机电工程学院,北京 100029;北京化工大学机电工程学院,北京 100029;北京化工大学机电工程学院,北京 100029 |
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| 摘 要： | 从微纳米气泡溶液中是否可以产生·OH、·OH的鉴别方法、·OH的生成机理以及强化·OH的生成等几个方面论述了微纳米气泡溶液中生成·OH的研究进展。电子自旋共振技术和荧光分光光度法作为检测·OH的2种技术,均存在一定的误导性,对于荧光分光光度法,最重要的就是排除H2O2的干扰。此外,目前要获得含有高浓度·OH的微纳米气泡溶液,使用氧气气源是前提,且可通过超声空化或使用铜作为催化剂等进一步增强·OH的生成。虽然机理问题尚未明确,但微纳米气泡技术已在农业、养殖业和废水处理等领域有了广泛的应用,并展现出良好的应用前景。
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| 关 键 词： | 微纳米气泡 羟基自由基(·OH) 荧光分光光度法 电子自旋共振技术 |
Research Progress of Hydroxyl Radicals Formed by Micro-Nanobubble |
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| SUN Le,ZHANG Fenghua,YANG Weimin.Research Progress of Hydroxyl Radicals Formed by Micro-Nanobubble[J].Water Purifcation Technology,2021,40(2):37-41. |
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| Authors: | SUN Le ZHANG Fenghua YANG Weimin |
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| Affiliation: | (College of Mechanical and Electrical Engineering,Beijing University of Chemical Technology,Beijing 100029,China) |
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| Abstract: | Research progress on the formation of·OH in micro-nanobubble solution is reviewed from the aspects of the identification of·OH,the detection technology of·OH,the formation mechanism of·OH and the enhancement of·OH.Both electron paramagnetic resonance and fluorescent spectrophotometer can be misleading in detecting·OH,and the most important thing for fluorescent spectro-photometer is to eliminate the interference of H2O2.In addition,oxygen source is a prerequisite for obtaining micro-nanobubble solution containing high concentration of·OH,and·OH can be furtherly enhanced by ultrasonic cavitation or the use of copper as catalyst.Although the mechanism is not clear,micro-nanobubble technology has been widely used in agriculture,aquaculture and wastewater treatment,and shown a good application prospect. |
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| Keywords: | micro-nanobubble hydroxyl radical(·OH) fluorescent spectrophotometer electron paramagnetic resonance |
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