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Risk Assessment of Reclaimed Land Filled with Fly Ash and Stabilization Remediation Technology |
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Abstract: The heavy metal contamination degree and latent ecological risk in reclaimed land filled with fly ash were investigated by the method of sampling analysis and evaluation of ecological risk. The results showed that the soil of reclaimed land was. as a whole, contaminated by heavy metal, especially the cadmium. Heavy metal contamination degree and latent ecological risk of soil in reclaimed land is gradually aggravated with the increase of reclamation time. The pot experiment results also suggest that clay mineral and microorganism mycorrhiza can remedy cadmium contaminated soils.
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Received: 24 April 2009
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