用于研究土壤中重金属污染物迁移规律的模型试验装置

By designing a model test device under the influence of multiple factors, the shortcomings of existing technologies in the study of the migration patterns of heavy metal pollutants were addressed, enabling a safety assessment of heavy metal contaminated soil remediation, improving research accuracy and reducing experimental costs.

CN117517620BActive Publication Date: 2026-07-17SOUTHEAST UNIV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SOUTHEAST UNIV
Filing Date
2023-11-21
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing research methods mostly focus on the influence of single factors, and there is a lack of suitable equipment to study the migration patterns of heavy metals from remediated soil to surrounding clean soil under the influence of multiple factors, which affects the safety of remediated soil for secondary use.

Method used

Design a model test device, including a transparent model box body, a liquid simulation unit and a humidity sensor, which can simulate the migration pattern of heavy metal pollutants under the influence of multiple factors. The device simulates liquid injection through atomizing nozzles and peristaltic pumps, and combines sampling holes and water outlets to collect soil samples and liquids for quantitative analysis.

Benefits of technology

It improves the accuracy of research on the migration patterns of heavy metal pollutants, reduces experimental costs, simplifies operating procedures, and provides environmental safety assessments under the influence of multiple factors.

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Abstract

本发明涉及一种用于研究土壤中重金属污染物迁移规律的模型试验装置,具体涉及一种用于研究多因素影响下固化稳定化修复土壤中重金属污染物迁移规律的模型试验装置及其使用方法。该模型试验装置包括第一液体模拟单元、第二液体模拟单元与模型箱主体。与现有技术相比,针对修复土壤中的重金属在不同距离、不同饱和度、不同压实度、不同土壤组分、不同地下水组分及酸雨淋溶等一项或多项因素影响下的迁移规律研究,该发明装置能够有效解决,通过模型试验评估多因素影响下固化稳定化修复土在二次利用时的环境安全性,为重金属污染场地的修复和长期安全性问题研究提供依据。本申请的方案对重金属污染土壤的修复及二次利用的长期安全性问题具有重要意义。
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