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苯并[a]芘污染土壤修复研究进展

Research Progress of Soil Remediation Contaminated by Benzo[a]pyrene
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摘要 苯并[a]芘(Bap)是一种由5个苯环组成的分布广泛、广受关注、“三致”毒性极强的多环芳烃,也是主要的环境污染物监测对象。Bap在土壤等环境中长期积累,可通过食物链的累积和放大效应威胁人体健康。Bap污染土壤的高效修复迫在眉睫,本文综述了Bap的产生、污染现状与毒性效应、不同修复技术的优缺点。物理/化学方法具有修复周期短、范围广,但成本高且易产生二次污染等特点;生物修复成本低、操作简单、环境效益好,但修复周期长、效果受多因素影响。在实际治理过程中应综合考虑成本和效果,重点关注微生物修复及相关联合修复技术的应用,将为今后开展Bap类有机污染土壤的绿色修复提供科学思路。 Benzopyrene(Bap)is a kind of widely distributed polycyclic aromatic hydrocarbon compounds composed of five benzene rings,which attracts much attention.It has strong carcinogenic,teratogenic,and mutagenic effects.Bap is also the main pollutant monitoring object in the environment.Bap accumulates in soil for a long time and thus threaten the human health through the accumulation and amplification effects of food chain.Efficient remediation of Bap-contaminated soil is a matter of great urgency.In this study,the production,current situation of pollution,toxicology,and the advantages/disadvantages of remediation techniques of Bap were reviewed.The physical and chemical methods have the advantages of short operation cycle,wide application range.The cost is relatively high along with the secondary pollution production.On the contrary,bioremediation has the advantages of low cost,easy operation,and environmental green.But bioremediation usually needs a relatively long cycle of restoration,and the efficiency is affected by multiple factors.Therefore,the cost and efficiency should be considered comprehensively in the practical process.In the future,it should be paid attention to the microbial remediation technology and the combined application of relative techniques.This study will provide a scientific thought for the green treatment and remediation of contaminated soil with such persistent organic pollutants as Bap.
作者 吕卫光 陈昭良 张娟琴 张翰林 李双喜 郑宪清 张海韵 张月 白娜玲 LV Wei-guang;CHEN Zhao-liang;ZHANG Juan-qin;ZHANG Han-lin;LI Shuang-xi;ZHENG Xian-qing;ZHANG Hai-yun;ZHANG Yue;BAI Na-ling(Eco-environmental Protection Research Institute,Shanghai Academy of Agricultural Sciences,Shanghai 201403,China;School of Ecological Technology and Engineering,Shanghai Institute of Technology,Shanghai 201418,China;Shanghai Experimental Station for Scientific Observation of Agri-environmental and Cultivated Land Conservation,Ministry of Agriculture and Rural Affairs,Shanghai 201403,China;Shanghai Agri-environmental Protection Monitoring Station,Shanghai 201403,China;Key Laboratory of Low-carbon Green Agriculture in Southeastern China,Ministry of Agriculture and Rural Affairs,Shanghai 201403,China;Shanghai Key Laboratory of Protected Horticulture Technology,Shanghai 201403,China)
出处 《土壤通报》 CAS CSCD 北大核心 2024年第2期584-596,共13页 Chinese Journal of Soil Science
基金 上海市科技兴农项目(2022-02-08-00-12-F01152) 上海市自然科学基金面上项目(21ZR1464500) 上海市农业科学院卓越团队建设计划(沪农科卓2022-008)资助。
关键词 苯并[a]芘污染 土壤修复 修复技术 联合应用 Benzo[a]pyrene pollution Soil remediation Remediation techniques Combined application
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