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在实际受污染的土壤中对PAHs的生物增强泥整治的研究:选微生物剂并优化关键参数

Fujia Wang¹, Jing Chen¹, Xinxin Xiao²

¹Department of Environmental Science, Key Laboratory of Beijing on Regional Air Pollution Control, Beijing University of Technology, Beijing, 100124, China; Environmental Testing and Experiment Center, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China.

Environmental research

|January 27, 2025

概括

生物增强泥技术有效地修复受污染的土壤中的多环芳 (PAH). 优化空气和温度等条件,以及微生物剂,提高了污染物的降解,以实现可持续的清洁.

科学领域:

环境科学环境科学
微生物学微生物学
生物修复是一种生物修复.

背景情况:

多环芳 (PAHs) 对环境构成重大风险.
生物增强泥技术为修复受PAH污染的土壤提供了一种可持续的方法.
对于使用这种方法复杂的,实际污染的土壤整治,数据有限.

研究的目的:

为了研究PAHs在实际受污染的土壤泥中的生物增强降解.
选有效的微生物药物用于PAH补救.
优化影响退化过程的关键环境因素.

主要方法:

使用实际的土壤泥进行生物增量实验.
采用响应表面方法来优化水土比,温度和通风率.
评估了微生物剂 (佩,Tween-80) 对降解效率的影响.

主要成果:

微生物剂NS4显示了最高的降解效率.
通风率是最有影响力的因素,其次是温度,然后是水土比率.
最佳条件 (3:1水土比,30°C,2L/分钟通风) 最大限度地降解了氨酸和氨酸.
佩和Tween-80在最佳条件下增强了微生物生长和PAH释放.

结论:

在真正受污染的土壤中,选合适的微生物剂对于有效的生物增量至关重要.
优化环境参数可确保生物增强泥系统的动态稳定性.
这种方法可以有效,绿色和低能耗地修复受PAH污染的场所.

关键词:

实际的土壤实际的土壤.生物增强泥技术的技术.关键的影响因素.微生物制剂微生物制剂微生物制剂多环芳 (PAHs) 是一种多环芳.

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