Roles of Phosphate-solubilizing Microorganisms in the Passivation and Phytoremediation of Heavy Metal Contaminated Soil

doi:10.13560/j.cnki.biotech.bull.1985.2022-0784

Abstract

Abstract:

Passivation and phytoremediation are primary means for the ecologsical remediation of heavy metal contaminated soil, and microorganisms can further strengthen the passivation and phytoremediation of heavy metal contaminated soil. We introduced the basic principles of passivation and phytoremediation of heavy metal contaminated soil. Then we reviewed the study progresses on the solubilization of insoluble phosphates in soil by phosphate-solubilizing microorganisms, passivation remediation of heavy metal contaminated soil by phosphates, enhancement of phosphate passivation and phytoremediation of heavy metal contaminated soil by phosphate-solubilizing microorganisms. Further we discuss the heavy metals resistance of phosphate-solubilizing microorganisms and the phosphate-solubilizing mechanism. We also explored the enhancement mechanism of phosphate passivation and phytoremediation of heavy metal contaminated soil by phosphate-solubilizing microorganisms. The aim of this study is to provide a certain theoretical and technical references for bioremediation of heavy metal contaminated soil.

Key words: heavy metal contaminated soil, passivation, phytoremediation, phosphate-solubilizing microorganism, bioremediation

ZHANG Hua-xiang, XU Xiao-ting, ZHENG Yun-ting, XIAO Chun-qiao. Roles of Phosphate-solubilizing Microorganisms in the Passivation and Phytoremediation of Heavy Metal Contaminated Soil[J]. Biotechnology Bulletin, 2023, 39(3): 52-58.

Figures/Tables 3

References 40

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