1China Shaanxi High Standard Farmland Construction Group Co., Ltd., Yangling, 712100, China
2Shaanxi Land Engineering Construction Group Co., Ltd., Xi'an, Shaanxi, 710075, China
Land is the basis of human foothold. However, with the rapid development of human society, soil is no longer clean, and soil remediation is imminent. Passivating heavy metals in soil with passivating agent is an economic, rapid and reasonable treatment measure at present. This paper summarizes the basic mechanism, research progress and limiting factors of organic/inorganic materials' passivation of heavy metals in soil in order to provide theoretical support for the research and development of soil passivators.
Heavy metal contaminated soil, Organic materials, Inorganic materials, Passivation
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