Method for applying humic acid to soil remediation
A technology of soil remediation and humic acid, which is applied in the field of soil remediation, can solve the problems of large dosage, slow effect of lead-contaminated soil, and high input cost, and achieve the effect of enhanced activity, rapid repair, and high economic benefits
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Embodiment 1
[0024] A kind of humic acid is used for the method for soil remediation, comprises the following steps, step 1: select lead-contaminated soil, detect the available state lead content in the soil;
[0025] Step 2: Apply 0.75Kg of humic acid repair agent per square meter to the selected soil area and evenly spread it on the soil surface;
[0026] Step 3: After the soil is deeply plowed, cover it with a plastic film, and after 15 days, carry out the detection of the available lead content in the soil again;
[0027] Step 4: Comparing the two test results, if the reduction rate of soil effective content is greater than 20%, the humic acid remediation agent can be stopped and the soil should be closed for a rest period. Otherwise, repeat steps 2 and 3 until the effective state of lead in the soil The soil remediation process can be stopped after the decrease rate of the content and the soil effective state content measured for the first time is less than 20%.
[0028] The humic ac...
Embodiment 2
[0030] A kind of humic acid is used for the method for soil remediation, comprises the following steps, step 1: select lead-contaminated soil, detect the available state lead content in the soil;
[0031] Step 2: Apply 0.75Kg of humic acid repair agent per square meter to the selected soil area and evenly spread it on the soil surface;
[0032] Step 3: After the soil is deeply plowed, cover it with a plastic film, and after 15 days, carry out the detection of the available lead content in the soil again;
[0033] Step 4: Comparing the two test results, if the reduction rate of soil effective content is greater than 20%, the humic acid remediation agent can be stopped and the soil should be closed for a rest period. Otherwise, repeat steps 2 and 3 until the effective state of lead in the soil The soil remediation process can be stopped after the decrease rate of the content and the soil effective state content measured for the first time is less than 20%.
[0034] The humic ac...
Embodiment 3
[0036] A kind of humic acid is used for the method for soil remediation, comprises the following steps, step 1: select lead-contaminated soil, detect the available state lead content in the soil;
[0037] Step 2: Apply 0.75Kg of humic acid repair agent per square meter to the selected soil area and evenly spread it on the soil surface;
[0038] Step 3: After the soil is deeply plowed, cover it with a plastic film, and after 15 days, carry out the detection of the available lead content in the soil again;
[0039] Step 4: Comparing the two test results, if the reduction rate of soil effective content is greater than 20%, the humic acid remediation agent can be stopped and the soil should be closed for a rest period. Otherwise, repeat steps 2 and 3 until the effective state of lead in the soil The soil remediation process can be stopped after the decrease rate of the content and the soil effective state content measured for the first time is less than 20%.
[0040]The humic aci...
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