Applications of micro–nano bubble technology in environmental pollution control

Zhengguo Xiao; Tallal Bin Aftab; Dengxin Li

Applications of micro–nano bubble technology in environmental pollution control

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Author(s): Zhengguo Xiao^{1, 2} ; Tallal Bin Aftab^{1, 2} ; Dengxin Li^{1, 2}
- Affiliations: 1: College of Environmental Science and Engineering, Donghua University , Shanghai , People's Republic of China ;
  2: State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering , Tongji University , Shanghai , People's Republic of China
Source: Volume 14, Issue 7, 26 June 2019, p. 782 – 787
DOI: 10.1049/mnl.2018.5710 , Online ISSN 1750-0443

Received 17/11/2018, Accepted 28/02/2019, Published 26/06/2019

Owing to some advantages of high oxidation capacity, high mass-transfer efficiency, high utilisation rate of reagents, simple system for treating pollutants, micro–nanobubble technology (MNBT) has gradually attracted attention and has been successfully applied in environmental pollution control. Currently, its applications in this field are mainly in the aspects of surface water purification, sewage (waste) water treatment, soil and groundwater remediation and sludge treatment which are reviewed. These studies primarily focus on the MNB generation (MNBG) methods, the parameters of pollution treatment and its effect improvement, the coupling techniques of this technology and other advanced oxidation technologies. However, in order to successfully promote its applications to the actual environmental pollution control process, especially the industrial scale, the following efforts are required: covariant response mechanism of water quality – micro–nano aeration parameters – bubble characteristics, further optimisation of synergistic process with other advanced oxidation methods, development of lower energy consumption and more efficient MNBG devices. After discussion and analysis, this work further points out that the purification of exhaust gas such as volatile organic compounds (VOC) and flue gas is one of the research directions worth exploring in the future application of the MNBT.

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Applications of micro–nano bubble technology in environmental pollution control

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