土壤添加剂对污染土壤中重金属的固定作用

Q4 Agricultural and Biological Sciences Nova Biotechnologica et Chimica Pub Date : 2022-01-13 DOI:10.36547/nbc.1352

O. Horak, W. Friesl-Hanl

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引用次数: 7

摘要

添加氧化铁、石灰、粘土矿物和其他物质可用于降低有毒重金属（如Pb、Zn和Cd）的植物可利用性。在某些情况下，可提取性和植物浓度可能会降低50%以上。修复过程的评估得到了Plantago lanceolata田间生物监测方法和大麦试验以及硝酸铵提取的温室生物监测方法的支持。

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Soil additives immobilising heavy metals in contaminated soils

Addition of iron oxides, lime, clay minerals and other substances can be used to decrease the plant availability of toxic heavy metals such as Pb, Zn, and Cd. Extractability and consequently plant concentrations may be reduced in some cases by more than 50%. The assessment of remediation processes is supported by biomonitoring methods in the field with Plantago lanceolata and in the greenhouse by barley test experiments, in combination with extraction by ammonium nitrate.

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