标题 |
![]() 介质阻挡放电等离子体修复垃圾填埋场微塑料污染土壤
相关领域
介质阻挡放电
环境修复
污染物
环境化学
环境工程
污染
环境科学
化学
土壤污染
污染
废物管理
聚氯乙烯
土壤水分
土壤科学
电极
工程类
有机化学
物理化学
生物
生态学
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其它 |
Landfill; Microplastic pollution; Plasma oxidation; Reactive oxygen species; Soil remediation The huge amount of plastic waste accumulated in landfills has caused serious microplastic (MP) pollution to the soil environment, which has become an urgent issue in recent years. It is challenging to deal with the non-biodegradable MP pollutants in actual soil from landfills. In this study, a coaxial dielectric barrier discharge (DBD) system was proposed to remediate actual MP-contaminated landfill soil due to its strong oxidation capacity. The influence of carrier gas type, applied voltage, and air flow rate was investigated, and the possible degradation pathways of MP pollutants were suggested. Results showed the landfill soil samples contained four common MP pollutants, including polyethylene (PE), polypropylene (PP), polystyrene (PS), and polyvinyl chloride (PVC) with sizes ranging from 50 to 1500 μm. The MP pollutants in the soil were rapidly removed under the |
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