Method for remedying uranium tailing radioactivity and heavy metal contaminated soil by utilizing biotechnology
A technology of polluted soil and biotechnology, applied in the field of bioremediation of uranium tailings radioactive and heavy metal polluted soil, can solve problems such as ecological security, harm to people's life and social stability, harm to the production and life of local residents, and environmental pollution of water sources. Low maintenance cost, easy operation and high biomass effect
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Embodiment 1
[0014] A method for remediating uranium tailings radioactive and heavy metal polluted soil by using biotechnology, the technical steps included are: the first step, selecting uranium and associated heavy metal enriched plants; the second step, uranium and associated heavy metal enrichment plant seeds pre-processing Treatment; third step, planting of uranium and associated heavy metal enrichment plants; fourth step, promotion of uranium and associated heavy metal enrichment in plants: fifth step, uranium and associated heavy metal enriched plants to rapidly reduce volume and minimize weight.
[0015] In the first step, the selected uranium and associated heavy metal-enriching plants consisted of a combination of red amaranth, sudangrass and mustard.
[0016] In the second step, uranium and associated heavy metal enrichment plant seeds are pretreated, and the selected seeds are treated with a seed coating agent, which is conducive to the germination and growth of seeds under the ...
Embodiment 2
[0021] A method for remediating uranium tailings radioactive and heavy metal polluted soil by using biotechnology, the technical steps included are: the first step, selecting uranium and associated heavy metal enriched plants; the second step, uranium and associated heavy metal enrichment plant seeds pre-processing Treatment; third step, planting of uranium and associated heavy metal enrichment plants; fourth step, promotion of uranium and associated heavy metal enrichment in plants: fifth step, uranium and associated heavy metal enriched plants to rapidly reduce volume and minimize weight.
[0022] In the first step, the selected uranium and associated heavy metal-enriching plants consisted of a combination of wormwood, fenugreek, nightshade, castor bean and lotus seed grass.
[0023] In the second step, uranium and associated heavy metal enrichment plant seeds are pretreated, and the selected seeds are treated with a seed coating agent, which is conducive to the germination a...
Embodiment 3
[0028] A method for remediating uranium tailings radioactive and heavy metal polluted soil by using biotechnology, the technical steps included are: the first step, selecting uranium and associated heavy metal enriched plants; the second step, uranium and associated heavy metal enrichment plant seeds pre-processing Treatment; third step, planting of uranium and associated heavy metal enrichment plants; fourth step, promotion of uranium and associated heavy metal enrichment in plants: fifth step, uranium and associated heavy metal enriched plants to rapidly reduce volume and minimize weight.
[0029] In the first step, the selected uranium and associated heavy metal-enriching plants consisted of a combination of Wolfberry, Houttuynia cordata, Pokeweed, Pennisetum, Switchgrass, Digum chinensis, Iron broom and Chia vine.
[0030]In the second step, uranium and associated heavy metal enrichment plant seeds are pretreated, and the selected seeds are treated with a seed coating agent...
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