硅酸盐钝化剂在土壤重金属污染修复中的研究与应用
Research and Application of Silicate Passivation Agent in Remediation of Heavy Metal-contaminated Soil: A Review
查看参考文献68篇
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文摘
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土壤重金属污染治理是目前我国土壤污染治理的重点,黏土矿物、单硅酸盐及硅肥等硅酸盐钝化修复材料是重要的土壤重金属化学稳定剂。本文通过综述硅酸盐钝化剂的分类与特点,阐明了硅酸盐钝化剂在土壤重金属污染修复过程中的吸附、沉淀及植物-微生物作用机理与影响因素,提出将土壤重金属污染修复与农作物增产相结合,开发具有枸溶、缓释特性,对重金属具备吸附、沉淀与生物抑制功能且有利于农作物生长的长效硅酸盐土壤重金属钝化剂具有重要的实际意义。 |
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其他语种文摘
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Heavy metal pollution of soil is currently the emphasis of soil remediation in China. Silicate passivation agent such as clay minerals, monosilicate and silicon fertilizers are important heavy metal stabilizer. This paper summarized the classification and characteristics of silicate passivation agent, clarified the mechanism of adsorption, sedimentation, plant-microbial and influence factors for the passivation of heavy metal, and pointed out that it is of great practical significance in the future to research and develop long-acting silicate passivator which is citrate acid soluble, slow-release and can not only adsorb, sedimentate and inhibite heavy metals in soil but also promote crop growth. |
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来源
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土壤
,2017,49(3):446-452 【核心库】
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DOI
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10.13758/j.cnki.tr.2017.03.004
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关键词
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硅酸盐钝化剂
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重金属
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土壤修复
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吸附
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沉淀
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地址
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中国科学院广州地球化学研究所, 有机地球化学国家重点实验室;;广东省环境资源利用与保护重点实验室, 广州, 510640
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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0253-9829 |
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学科
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环境污染及其防治 |
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基金
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广东省科技计划项目
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广东省应用型科技研发专项
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广东省省级环保专项资金项目
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文献收藏号
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CSCD:6023868
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