废弃矿山环境中重金属污染特征及治理修复技术研究

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文章编号：1674-6139（2025）05-0087-05

中图分类号：X53文献标志码：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

在工业化进程的加速和矿产资源的不断开采下，矿山环境遭受了严重的破坏，尤其是重金属污染问题日益突出。（剩余4929字）