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      2. 活性氧物種在環境污染物降解轉化中的應用
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        華中農業大學理學院

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        國家自然科學基金項目(面上項目,重點項目,重大項目)


        The application of reactive oxygen species in environmental pollutants degradation and transformation
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          摘要:

          活性氧物種是一類具有氧化能力的含氧自由基或含氧的非自由基衍生物。利用活性氧物種降解環境污染物是綠色高效的污染控制和環境修復手段。然而活性氧物種種類繁多,產生方式多種多樣,在環境污染物降解轉化中的作用機制也不盡相同。深入了解環境污染物降解轉化中不同活性氧物種的產生和作用機制意義重大。本文綜述了近年來活性氧物種(羥基自由基、超氧陰離子自由基、單線態氧和過氧化氫)在環境污染物去除方面的最新研究進展,介紹了幾類常見的活性氧物種及其產生途徑和檢測方法,歸納和總結了活性氧物種在大氣環境凈化、有機廢水處理和有害微生物殺滅等方面的應用,同時對今后活性氧物種在污染控制和環境修復方面的應用進行了展望。

          Abstract:

          Reactive oxygen species (ROS) are a class of oxygen free radicals or non-radical derivatives of oxygen with oxidizing ability. Utilizing ROS to degrade environmental pollutants is one of the greenest and most effective chemical means for pollution control and environmental remediation. However, there are different types and various generating-routes of ROS, and the mechanisms of environmental pollutant degradation and removal are distinguishing. It is significant to further understand the production and action mechanism of different ROS in environmental pollutant degradation and transformation. This article reviews recent research progress on ROS (hydroxyl radical, superoxide anion, singlet oxygen and hydrogen peroxide) for environmental pollutants removal in recent years and introduces several common ROS and their generating pathways and detection methods. We also summarize the applications of ROS in air purification, organic wastewater treatment, bacterial inactivation and finally discuss the major problems about ROS for environmental pollutants degradation and prospect the application of ROS in pollution control and environmental remediation.

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        • 收稿日期:2020-05-12
        • 最后修改日期:2020-07-22
        • 錄用日期:2020-07-24
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