水系统中环保型微塑料去除技术最新进展小结。

IF 3.5 3区 环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES
Seung Hyeon Lee, Sang-Jun Han, Jung-Ho Wee
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引用次数: 0

摘要

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A mini review of recent advances in environmentally friendly microplastic removal technologies in water systems.

The current increase in microplastic (MP) occurrence worldwide is predicted to cause severe environmental crises in the future. Therefore, it is imperative to develop innovative MP removal technologies that can effectively mitigate MP emissions in any given scenario. This review discusses recent environmentally friendly advances in MP removal technologies that aim to overcome the limitations of current technologies, prevent secondary pollution, and utilize low energy. It also explores the potential applicability of these technologies under the current environmental conditions in South Korea. The core principles of these technologies, such as adsorption or flocculation, focus on minimizing the energy required to initiate and sustain these processes and on reducing the usage of adsorbents and flocculants. Employing microalgae as flocculants and triboelectricity for electrophoresis are identified as promising technologies. Incinerating MP-adsorbed materials from the process could be a viable disposal method, potentially serving as a source of heat energy. Consequently, technologies based on biochar or microalgae are especially advantageous in this context. The location where these technologies are applied plays a crucial role in their overall energy consumption. Ideally, implementation should occur as close as possible to points where MPs are found or within wastewater treatment plants. Froth flotation, microalgae flocculation, and triboelectricity-based electrophoresis are suitable methods in this regard. Establishing and enforcing administrative systems, laws, and policies globally to prevent MP occurrence remains critical. However, while these measures are vital, the most effective method for reducing MP occurrence is lowering plastic consumption alongside implementing stringent segregation and collection procedures.

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来源期刊
Journal of contaminant hydrology
Journal of contaminant hydrology 环境科学-地球科学综合
CiteScore
6.80
自引率
2.80%
发文量
129
审稿时长
68 days
期刊介绍: The Journal of Contaminant Hydrology is an international journal publishing scientific articles pertaining to the contamination of subsurface water resources. Emphasis is placed on investigations of the physical, chemical, and biological processes influencing the behavior and fate of organic and inorganic contaminants in the unsaturated (vadose) and saturated (groundwater) zones, as well as at groundwater-surface water interfaces. The ecological impacts of contaminants transported both from and to aquifers are of interest. Articles on contamination of surface water only, without a link to groundwater, are out of the scope. Broad latitude is allowed in identifying contaminants of interest, and include legacy and emerging pollutants, nutrients, nanoparticles, pathogenic microorganisms (e.g., bacteria, viruses, protozoa), microplastics, and various constituents associated with energy production (e.g., methane, carbon dioxide, hydrogen sulfide). The journal''s scope embraces a wide range of topics including: experimental investigations of contaminant sorption, diffusion, transformation, volatilization and transport in the surface and subsurface; characterization of soil and aquifer properties only as they influence contaminant behavior; development and testing of mathematical models of contaminant behaviour; innovative techniques for restoration of contaminated sites; development of new tools or techniques for monitoring the extent of soil and groundwater contamination; transformation of contaminants in the hyporheic zone; effects of contaminants traversing the hyporheic zone on surface water and groundwater ecosystems; subsurface carbon sequestration and/or turnover; and migration of fluids associated with energy production into groundwater.
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