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分析大气等离子体对柴油土壤修复的潜力:有洞察力的机制

Lakshmi Prasanna Lingamdinne¹, Rakesh Kulkarni¹, Yu-Lim Choi¹

¹Department of Environmental Engineering, Kwangwoon University, Seoul, 01897, Republic of Korea.

|June 14, 2024

概括

非热大气等离子体 (NTAP) 有效地修复了柴油污染的土壤. 这种用过氧化增强的方法在20分钟内去除了83%的石油碳化合物,提供了一个环保的解决方案.

科学领域:

环境科学环境科学
化学工程是化学工程的重要组成部分.
等离子体物理学的物理学

背景情况:

柴油污染对环境构成重大风险.
迫切需要有效的污染土壤整治策略.
非热大气等离子体 (NTAP) 技术提出了一个有前途的补救方法.

研究的目的:

评估NTAP技术对柴油污染土壤修复的有效性.
调查功率水平,处理时间和过氧化对柴油清除的影响.
了解NTAP对柴油的降解机制.

主要方法:

污染了柴油的土壤被使用NTAP处理,其中有一个介电屏障放电 (DBD) 电极.
测试了各种参数,包括功率 (150W),处理时间 (<20分钟) 和过氧化添加.
通过测量通过二甲提取的总石油碳化合物 (TPH) 清除,量化了修复效率.

主要成果:

显著的83%的柴油去除 (初始度3086毫克/千克,pH5.0) 在150W的20分钟内实现.
增加处理时间进一步提高了柴油清除率.
添加过氧化协同提高了NTAP的柴油降解效率.

结论:

特别是在与过氧化相结合时,NTAP技术提供了一种快速,经济有效和环保的方法来修复柴油污染的土壤.
优化处理参数,如持续时间和功率,对于最大限度地提高移除效率至关重要.
NTAP促进柴油降解成不那么有害的化合物,有助于有效的土壤去污染.

关键词:

介电屏障放电 (DBD) 电极电极过氧化是一种过氧化.非热大气等离子体非热大气等离子体土壤特征土壤特征移除TPH的方法

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