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在土壤中修复PFAS:评估用于污染物封存的碳基材料

Trung Huu Bui¹, Nubia Zuverza-Mena¹, Christian O Dimkpa¹

¹The Connecticut Agricultural Experiment Station, 123 Huntington Street, New Haven, CT, 06511, USA.

Environmental pollution (Barking, Essex : 1987)

|January 11, 2024

概括

碳基材料有效地将土壤中的和多基物质 (PFAS) 隔离起来,降低了污染物的生物可用性. 优化碳吸附剂特性是有效的PFAS整治和环境健康保护的关键.

科学领域:

环境科学环境科学
土壤科学土壤科学
化学化学化学

背景情况:

和多醇基物质 (PFAS) 是持久的全球土壤污染物,对健康产生不利影响.
由于PFAS耐降解,因此需要有效的补救策略来最大限度地减少暴露.

研究的目的:

综合审查目前关于使用碳基吸附剂在土壤中封存PFAS的现有见解.
识别知识缺口,并提出新的碳基吸收剂开发的未来战略.

主要方法:

关于PFAS封存机制和吸附剂材料的文献综述.
控制PFAS吸附的疏水和静电相互作用的分析.
评估土壤矩阵对PFAS封存的影响.

主要成果:

疏水效应 (C-F骨干) 和静电相互作用 (功能组) 驱动PFAS吸附.
PFAS的可用性和可泄漏性受到C-F链长和功能组的显著影响.
土壤有机物,矿物质和pH值影响封存效率.

结论:

碳基材料,如活性炭,生物炭和纳米管是PFAS的主要吸收剂.
修改碳结构和表面化学物质可以提高PFAS吸附能力.
可持续的新型碳吸附剂为长期的PFAS整治提供了潜力.

关键词:

吸附方式吸附方式吸附方式碳碳碳碳碳碳基基物质是一种基基物质.融资基金管理系统的整治措施在PFOS系统中,我们可以土壤土壤土壤.

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