表面活性剂增强过硫酸钠对菲污染土壤的降解作用。

IF 2.7 4区环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES

Bulletin of Environmental Contamination and Toxicology Pub Date : 2025-02-20 DOI:10.1007/s00128-025-04015-y

Zaoquan Huang, Xiaoyuan Li, Siying Hou, Yanjie Zhao, Haijian Lu, Jun Wang, Yirong Deng

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引用次数: 0

摘要

为了促进土壤中菲的降解，研究了4种表面活性剂对过硫酸钠（SPS）热活化的影响。发现十二烷基二苯醚二磺酸钠（C12-MADS）通过减少其热分解产生的硫酸盐自由基来稳定SPS。表面活性剂辅助过硫酸盐体系的最佳条件为C12-MADS用量为5 g/L，温度为60℃，对土壤中菲的去除率为89.80%。OH-的存在增加了体系的pH值，降低了去除率。这些结果表明，C12-MADS显著增强了菲的氧化作用，提高了SPS的利用效率，有助于开发一种有效的表面活性剂辅助过硫酸盐土壤去污系统。

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Surfactant Enhancement in Degradation of Phenanthrene Contaminated Soil by Sodium Persulfate.

To enhance phenanthrene degradation in soil, the effects of four surfactants on the thermal activation of sodium persulfate (SPS) were investigated. Sodium dodecyl diphenyl ether disulfonate (C₁₂-MADS) was found to stabilize SPS by reducing the generation of sulfate radicals from its thermal decomposition. Optimal conditions for the surfactant-assisted persulfate system were determined to be 5 g/L of C₁₂-MADS at a temperature of 60°C, achieving an 89.80% removal efficiency of phenanthrene in soil. The presence of OH^- increased the system pH and decreased the removal efficiency. These results demonstrate that C₁₂-MADS significantly enhanced the oxidation of phenanthrene and improves SPS utilization efficiency, contributing to the development of an effective surfactant-assisted persulfate system for soil decontamination.

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来源期刊

Bulletin of Environmental Contamination and Toxicology 环境科学-毒理学

CiteScore

5.60

自引率

3.70%

发文量

230

审稿时长

1.7 months

期刊介绍： The Bulletin of Environmental Contamination and Toxicology(BECT) is a peer-reviewed journal that offers rapid review and publication. Accepted submissions will be presented as clear, concise reports of current research for a readership concerned with environmental contamination and toxicology. Scientific quality and clarity are paramount.