Advanced redox in-situ treatment system and method for restoring polluted soil
A technology for advanced oxidation and polluted soil, which is applied in the restoration of polluted soil, etc., to achieve the effect of flexible ratio, soil remediation effect and cost reduction
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Embodiment 1
[0076] Such as Figure 1-15 As shown, a pollution treatment system is established on a piece of polluted land to be treated, and the polluted soil is treated with advanced redox reaction, and then the infiltrated waste liquid is extracted for harmless treatment and reused, and then the treated soil is treated Biodegradation treatment; the implementation process of the advanced redox reaction treatment is as follows: firstly prepare a mixed solution for pollutant degradation, and transport it to the location of soil pollutants in time by means of underground infiltration, deep hole irrigation, and ground irrigation; Ultrasonic catalysis is emitted from the ground to the ground to realize the advanced redox reaction of the pollutant degradation mixed solution, and accelerate the degradation of pollutants in the soil.
[0077] The specific implementation process is: establish the pollution treatment system (1): including water supply subsystem (15), ozone water production subsyst...
Embodiment 2
[0097] After the relocation of XX Chemical Factory in Jinan, Shandong Province, a large amount of heavy metal pollutants existed in the soil of its factory area and surrounding areas for a long time. Although it has been treated many times, it has not been able to meet the national pollution soil treatment requirements. The land has been unable to be cultivated and used as commercial land for a long time. Idle waste.
[0098] Using the technical solution described in Example 1, the restoration of 220 acres of polluted land was completed within 25 days, and the implementation cost was only 30% of the price quoted by other purification technology service companies, and the repair time was only the shortest time spent by other service providers. 20%-30%, 0-5m soil samples after soil remediation are submitted for inspection and confirmation, which fully meet the relevant national regulations, and no pollutants are detected in the groundwater after inspection.
[0099] Apply soil i...
Embodiment 3
[0108] There has been a large amount of organic pollutants in the soil around XX Chemical Industry Park in Linyi City, Shandong Province for a long time. Although it has been treated many times, it has not been able to meet the national pollution soil treatment requirements.
[0109] Apply soil improver, organic fertilizer, and biological bacteria fertilizer to the treated soil to carry out biodegradation treatment on the treated soil.
[0110] The soil remediation process of the plot is as follows: the soil is detected by the detection subsystem, and the main pollutants in the plot are phenol, hydrocarbon, and ether organic pollution, and the polluted soil layer is 2-3 meters underground.
[0111] We chose an aqueous ozone solution with a concentration of 16PPM as the degradation agent. The high-concentration ozone water was injected 2 meters underground, and an advanced oxidation reaction occurred under the catalysis of ultrasonic irradiation on the ground, and the ozone wate...
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