矿山地质环境中镉污染土壤固化修复技术研究

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文章编号：1674-6139（2026）02-0087-05

中图分类号：X53文献标志码：B

Solidification and Remediation Technology for Cadmium Contaminated Soil in Mining Geological Environment

Liu Zhenshan，Zhang Chuanliang，JiYanlei （1.Henan Institute Of Geophysical Spatial Information Co.，Ltd.，Zhengzhou 45Oooo，China; 2.Henan Geological&Geophysical Engineering Technology Research Center，Zhengzhou 450o，China

Abstract：Thispaperexploresthesolidificationandremediationtechologyofcadmiumcontaminatedsoilinminegeologicalnviron ment，andminizestheioailabilityandeniromentaliskofaduinoilbydingdierentindsofuringagetsadotii zingtheaditionamountandcuringtimeofcuringagents.Threekindsofcuringagentswereselectedandaddedtothesoilofmnegeo logicalenvironmentpolutedbycadmumunderthesetconcetrationgadient.Theoptimumaditionamountofpolyhydroxyalumiumpillared diatomite is 20g/kg ，and the optimum curing time is four weeks.The optimum dosage of ammonium polyphosphate is 20g/kg ，and thecuringtimecanbeadjustedwithintwotofourwees.Ammoniuferousphospateisslightlyinferiortothfirsttwo.Byotiizing theaditionamountandcuringtimeofdatomitendammonumpolyphosphatemodifiedbypolyhydroxyalumiumpilars，cadmiumsoil can be solidified efficiently.

Keywords：mininggeologicalenvironment；cadmiumpolution；soilsolidificationandremediation；hydroxyaluminumpilarsuppor ted modified diatomaceous earth；ammonium polyphosphate

前言

镉是一种具有强烈毒性的重金属元素，在生物体内积累[1]。（剩余4588字）