废弃矿山环境中重金属污染生态修复技术研究

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文章编号：1674-6139（2025）07-0102-06

中图分类号：X53文献标志码：B

Research on Ecological Remediation Technology of Heavy Metal Pollution in Abandoned Mine Environment

ChiYongfeng1，HuangWeikun²，YangShaoyuan1，JiangHaitao’，Liu Mingchun1 （1.Fujian Institute of Geotechnical Engineering Survey and Research Co.Ltd.，Fuzhou 350108，China; 2.Fujian Yedi Hengyuan Construction Co.，Ltd.，Fuzhou 3501O8，China）

Abstract：Torducetheenvironmentalrisksofabandonedmines，thispaperresearchedonecologicalrestorationtechologiesfor heavymetalpolutioninbandonedieenvironmentsAdoptingpasedemediationeasuresforeavyetalpolutioninsl，artd withslopereductionandloadreductiontoimproveslopesafety，andthenplantingplants.Aquaticplantswereusedtoadsorbheavymet alsandlsoourappropatemodifedsilicasapurifngagentintothewatertochieveayetaldegradationIevaluatedtheo logicalrestorationefectofwaterodiesfromthreeaspects：pHvalue，chemicaloxygendemand，andtotalsoilposphorusontent，by calculatingthsoilologialrestorationefctasedonteNemeroompreensiepoltionidexanddgradationeexpritalre sultsshowedtatfteremediation，theomprehensivepoltionidexofMerointesudyreaaslowerthan2ndteemoalatef various heavy metals in the soil significantly increased.After restoration，the ΔpH value of the water body is7，and the chemical oxygen demandandtotalphosphoruscontentaresignificantlyreduced.Theremovalrateofheavymetalsniobiumandcopperiscloseto 70% ：

Keywords：abandonedmine；heavymetalpollution；ecologicalrestoration；chemicaloxygendemand；totalphosphoruscontent

前言

废弃矿山在长期的开采和冶炼过程中，产生了大量的重金属废弃物[1]，如废石、废渣、尾矿等，这些废弃物在自然环境中经过长时间的雨水冲刷、风化等作用，导致重金属元素逐渐溶出并渗透到土壤、水体和大气中，造成了严重的重金属污染[2-3]。（剩余4684字）