沉积物中有机氯农药污染特征及土壤修复技术研究

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文章编号：1674-6139（2025）05-0071-06

中图分类号：X53文献标志码：B

Characteristics of Organic Chlorine Pesticide Pollution in Sediments and Soil Remediation Techniques

Luo Shan 1，2，3 ，Fang Jiangping1，2，4，5，Qu Xingle，

（1.Plateau EcologyResearch Institute，XizangAgriculturalandAnimal Husbandry UniversityLinzhi860ooo，China；

2.Xizang Ecological Security Laboratory，Linzhi 860ooo，China;

3.Public Education Department，Xizang Agricultural and Animal Husbandry University，Linzhi 86Oooo，China；

4.NationalFieldSientificObservationndResearchStationofLinzhiMountainForestEcosystemiXizang，Linzhi60Chna；

5.KeyLaboratory of Xizang Plateau Forest Ecology，Ministryof Education，Linzhi 86ooOO，China）

Abstract：Organochlorinepesticideshavealongresidualtimeinsoilandwater，ndarenoteasilydegraded.Tesepesticidesenter organismsthroughthefoodchain，posingapotentialtheattotheirhealthTerefore，thistudyanalyzesthecharacteristicsofanic chlorinepesticidepolutioninsedimentandsoilremediationtechniques.ThesedimentsamplesfromtheNiyang Riverbasinin Xizang werecollectedandteutionconcetrationofthepretreatedsamplesasetectedbyGHRMS.Teploncaracteristicsofo ganochlorinepesticideswereobtained.Thestudyusesin-situthermaldesorptiontechnologyandmycorhizalremediationtechnologyto treatorganochlorinepesticidesinsimentsndnalyingtemediationectTesultsindicatetatthmainoranohloepst cides nthesedimentof thewatershedareT-DDTsandT-HCHs，whicharemainlydistributedinthemiddleandlowerreachesofthe NiyangRiver.The removal rate of organochlorine pesticidesafterrepairis over 70% ，and the relative luminescence intensity of bacteria isgreatly improved，proving the effectiveness of the repair method.

KeyWords：sediments；organochlorinepesticides；detection method；polution characteristics；soilremediation technology

前言

沉积物作为水体生态系统的重要组成部分，质量状况直接关系到水体的生态安全和人类健康。（剩余5851字）