植物修复镭污染土壤的可行性初步分析

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摘要： 植物修复技术以其成本低廉和对环境的友好性,成为治理重金属和放射性核素污染的有效手段。在铀矿开采和冶炼过程中产生的²²⁶Ra是一种具有长半衰期的α核素,一旦释放到环境中,便可能通过食物链对人类健康构成潜在威胁。因此,研究²²⁶Ra在土壤－植物系统中的吸收和转运机制及其影响因素,对于开展²²⁶Ra污染土壤的植物修复工作至关重要。通过调研国内外关于镭的生物地球化学循环、镭从土壤到植物的吸收转运机制及其影响因素的研究,分析了镭污染土壤的植物修复策略及其可行性,提出了提升镭污染土壤植物修复效率的建议。

关键词: 植物修复, 镭, 土壤, 可行性分析

Abstract: Plant remediation technology has become an effective means of controlling heavy metal and radioactive nuclide contamination due to its low cost and environmental friendliness. ²²⁶Ra produced during uranium mining and smelting is an alpha nuclide with a long half-life. Once released into the environment, ²²⁶Ra may pose a potential threat to human health through food chain. Therefore, studying the absorption and transport mechanisms of ²²⁶Ra in the soil plant system and its influencing factors is crucial for carrying out plant remediation work on ²²⁶Ra contaminated soil. By conducting research on the biogeochemical cycle of radium, the absorption and transport mechanisms of radium from soil to plants, and their influencing factors both domestically and internationally, this study analyzed the plant remediation strategies and feasibility of radium contaminated soil, and proposed suggestions to improve the efficiency of plant remediation of radium contaminated soil.

Key words: phytoremediation, radium, soil, feasibility analysis

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X591

原寒, 乔新燕, 曹少飞, 商照荣. 植物修复镭污染土壤的可行性初步分析[J]. 辐射防护通讯, 2025, 45(1): 1-9.

YUAN Han, QIAO Xinyan, CAO Shaofei, SHANG Zhaorong. Preliminary feasibility analysis of phytoremediation of radium contaminated soil[J]. RADIATION PROTECTION BULLETIN, 2025, 45(1): 1-9.

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