活化过硫酸盐体系原位模拟去除土壤中多环芳烃

doi:10.3969/j.issn.1004-1524.2018.06.22

浙江农业学报 ›› 2018, Vol. 30 ›› Issue (6): 1044-1049.DOI: 10.3969/j.issn.1004-1524.2018.06.22

活化过硫酸盐体系原位模拟去除土壤中多环芳烃

张宏玲, 李森^*, 张杨, 占升, 商照聪

上海化工研究院有限公司,工业(土壤污染修复)产品质量控制和技术评价实验室,上海 200062

收稿日期:2017-08-25 出版日期:2018-06-20 发布日期:2018-07-02
通讯作者: 李森,E-mail: lsjb2008@163.com.
作者简介:张宏玲(1986—),女,内蒙古赤峰人,蒙古族,硕士,工程师,主要研究方向为污染土壤修复。E-mail: sricizhl@126.com
基金资助:
上海张江国家自主创新示范区专项发展资金重点项目(201701-PT-C1085-019)

In situ simulated remediation of polycyclic aromatic hydrocarbons by activated sodium persulfate system

ZHANG Hongling, LI Sen^*, ZHANG Yang, ZHAN Sheng, SHANG Zhaocong

Shanghai Research Institute of Chemical Industry Co.,Ltd, Laboratory of Industrial (Soil Pollution Remediation) Product Quality Control and Technical Evaluation,Shanghai 200062, China

Received:2017-08-25 Online:2018-06-20 Published:2018-07-02

摘要/Abstract

摘要： 以过碳酸钠活化过硫酸钠,氧化去除土壤中蒽、芘及苯并芘3种多环芳烃(polycyclic aromatic hydrocarbons, PAHs),耦合表面活性剂考查该体系对PAHs的去除效果,并进行PAHs原位修复模拟实验。结果表明,过碳酸钠活化过硫酸钠的最优配比为0.67∶1,此时土壤中总PAHs去除率为92.3%。在此基础上,添加2%(质量分数)的表面活性剂,PAHs去除率最高,达97.4%,在原位修复土壤中PAHs去除率也较高,持续反应168 h后,上下层土壤中PAHs去除率均达97.0%以上。

关键词: 原位修复, 有机物污染, 土壤修复

Abstract: A system of activated sodium persulfate by sodium percarbonate was used to remove anthracene, pyrene, and benzoapyrene (PAHs) in soil,and the system complying with surfactants was applied in a simulation experiment of in situ remediation of PAHs. In the case that ratio of sodium percarbonate to sodium persulfate was 0.67,the maximum removal yield of PAHs reached 92.3%. On the basis, as the ratio of surfactants to system was 2%, the obtained highest removal rate of PAHs was 97.4%. Meanwhile, the effect of sodium percarbonate activated sodium persulfate combined with surfactants system to repair PAHs in soil in situ was significant, and the removal efficiencies of PAHs in upper and lower soils were both above 97.0% after 168 h.

Key words: in situ remediation, organic pollution, soil remediation

中图分类号:

S159
X53

张宏玲, 李森, 张杨, 占升, 商照聪. 活化过硫酸盐体系原位模拟去除土壤中多环芳烃[J]. 浙江农业学报, 2018, 30(6): 1044-1049.

ZHANG Hongling, LI Sen, ZHANG Yang, ZHAN Sheng, SHANG Zhaocong. In situ simulated remediation of polycyclic aromatic hydrocarbons by activated sodium persulfate system[J]. , 2018, 30(6): 1044-1049.

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活化过硫酸盐体系原位模拟去除土壤中多环芳烃

In situ simulated remediation of polycyclic aromatic hydrocarbons by activated sodium persulfate system

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