【摘要】 Cr(VI)[Cr(VI)]因其高毒性、强迁移性和持久性，成为地下水污染治理的难点。文章基于“源削减—过程阻隔—末端监控”理念，构建了一套涵盖风险识别、分级管控、工程修复与长期监测的立体化风险管控模式。通过引入物联网监测、三维动态模型与智能预警技术，实现污染过程的可视化与动态可控。基于风险管控原则，将自然衰减与强化自然衰减治理模式与数值模拟和相关治理技术相结合，在某铁合金厂污染场地进行实证分析，成功实现了污染风险的已知、可控和可预测。同时也验证了该模式在治理成本可观的前提下，确保了地下水风险长期可控。更多还原

【Abstract】 Hexavalent chromium( Cr( VI)) has become a difficult point in the treatment of groundwater pollution due to its high toxicity,strong migration and persistence. Based on the concept of “source reduction-process isolation-end monitoring”,this paper constructs a three-dimensional risk control model covering risk identification,hierarchical control,engineering repair and long-term monitoring. By introducing Internet of Things monitoring,three-dimensional dynamic models and intelligent early warning technologies,the visualization and dynamic controllability of the pollution process can be achieved. Based on the principle of risk control and management,combining the natural attenuation and enhanced natural attenuation governance models with numerical simulation and related technologies,through the empirical analysis of the contaminated site of a ferroalloy factory by combining numerical simulation and related governance technologies,have successfully achieved the knowability,controllability and predictability of pollution risks. At the same time,it has also verified that this model ensures the long-term controllability of groundwater risks under the premise of considerable governance costs.更多还原