赤峰市土壤污染防治的难点及治理对策

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大键调：工滚门米；冶雕点；珍及仅个；十千干地区；办畔

中图分类号：X53 文献标识码：A 文章编号：1008-9500(2026)03-0156-03

DOI: 10.3969/j.issn.1008-9500.2026.03.047

Difficulties and Control Countermeasures of Soil Pollution Prevention in Chifeng City

GUO Linna

(Chifeng City Ecological Environment Bureau Harqin Banner Branch,ChifengO244Oo,China)

Abstract：Inner Mongolia'sChifeng cityis located inanaridandsemi-aridregion.Thesoilpolutionthereexhibitsa compositecontamination feature involving heavy metalsand pesticideresidues.Moreover,influenced by natural factors suchas complexlandformsandspecialclimaticconditions,thepreventionandcontrolofthispolutionisquitechallnging. Throughon-sitesamplingandexperimentalanalysis,itwas clearlyidentifiedthatthesoilpollutioninthisareamainly originatedfromminingactivities,agriculturalrunoff,andhistoricallegacyplution.Inresponsetotechnicaldificulties suchasrestrictedpollutantmigrationduetoloosesoil textureandweak leaching effect,aswellaslowremediationefficency underarid and infrequent rainfall conditions,adaptive technical solutions based on electric remediation-microbial combinedtechnologynano-materialehancedleaching,etc.wereproposed.Additionally,armediationectevaluation model was established toprovide technicalreferences forthe treatmentofsoil polution inaridand semi-aridregions.

Keywords:soil polution;controlchallenges; remediation technology;arid and semi-arid region; Chifeng city

赤峰市位于内蒙古东南部，属于温带季风气候区，年均降水量在 380～450mm ，土壤类型以栗钙土、棕壤为主，质地偏砂性，有机质含量普遍低于 2% 。（剩余5253字）