廢棄礦山環(huán)境中重金屬污染特征及治理修復技術研究
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文章編號：1674-6139（2025）05-0087-05
中圖分類號：X53文獻標志碼：B
Characteristics and Remediation Technologies of Heavy Metal Pollution in Abandoned Mining Environments
Li Hui1，2
（1.ForthGeologyndineralSureyIstiute，HnanGoExplorationadineralDevelopentBreau，Zengzou4Ooina； 2.HenanNatural Resources ScienceandTechnologyInnovation Center（ResearchonEcologicalGovernanceofOpencast Mines）， Zhengzhou 450000，China）
Abstract：Inodertoexplorethespatialcharacteristicsofheavymetalpolutioninabandonedmineenvironment，thermdiation technologywasesigdAroudtecoalanguewasteland，soilspleseeclctedodingtothedirentiationdegrefd oldcoalganguepilesanddiferentlandcategoriessuchasdrylandandpaddyfieldTepretreatedsoilsamplesweretestedforheavy metalpolution.HumicacidwaseractedndrganicmaterasusedtoemediatethemetalconamiatedsoilitisareaTecotets ofCu， Hg ，As，Zn，Cd，Crinthesoilaroundthenewganguepilearehigherthanthoseoftheoldganguepile，whilethecontentof Pb is lower.The contents of Hg ，Cu，Zn and Cd in paddy soilare generally higher than those in dryland soil，and thecontentsofAs，Pb andCrindrylandsoilarehgherthanthoseinpaddysoil.Accordingtotheremovalratio，theextractedhumicacidhasasignificantre mediation effect on Cd and Hg
Keywords：abandoned mining environment；new gangue；old gangue；heavy metal polution；pollution characteristics
前言
在工業(yè)化進程的加速和礦產(chǎn)資源的不斷開采下，礦山環(huán)境遭受了嚴重的破壞，尤其是重金屬污染問題日益突出。（剩余4929字）