Soil repairing agent and soil repairing method
A soil remediation agent and soil remediation technology, applied in the field of soil remediation agents, can solve the problems of high cost and poor treatment effect, and achieve the effects of low treatment cost, improved soil environment and good treatment effect.
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[0018] Example 1
[0019] Prepare raw materials according to the following parts by weight:
[0020] 10 parts of sodium sulfide, 10 parts of ferric oxide, 10 parts of iron sulfate, 10 parts of calcium oxide, 2 parts of sodium sulfate, 2 parts of calcium nitrate, 10 parts of calcium hydroxide, 10 parts of bentonite, 10 parts of cement.
[0021] Preparation method: Mix the above-mentioned raw materials to obtain the soil remediation agent.
[0022] The test soil was collected from an area contaminated by heavy metals. The content of heavy metals in the soil surface of this area was higher than the third-level standard of "Soil Environmental Quality Standard" (GB15618-1995). Repair according to the actual situation of pollution
[0023] Soil remediation: Collect heavy metal contaminated soil, then mix 1% by weight of soil remediation agent evenly on the surface of heavy metal soil pollution, and then plow the soil so that the soil remediation agent and heavy metal contaminated soil are fu...
Example Embodiment
[0025] Example 2
[0026] Prepare raw materials according to the following parts by weight:
[0027] 15 parts of sodium sulfide, 20 parts of ferric oxide, 15 parts of iron sulfate, 18 parts of calcium oxide, 1 part of sodium sulfate, 2 parts of calcium nitrate, 15 parts of bentonite.
[0028] Preparation method: Mix the above-mentioned raw materials to obtain the soil remediation agent.
[0029] The test soil was collected from an area contaminated by heavy metals. The content of heavy metals in the soil surface of this area was higher than the third-level standard of "Soil Environmental Quality Standard" (GB15618-1995). Repair according to the actual situation of pollution
[0030] Soil remediation: Collect heavy metal contaminated soil, then mix 1% by weight of the soil remediation agent evenly on the surface of the heavy metal soil contaminated soil, and then plow the soil to make the soil remediation agent and the heavy metal contaminated soil fully mix uniformly, and it will be co...
Example Embodiment
[0032] Example 3
[0033] Prepare raw materials according to the following parts by weight:
[0034] 20 parts of sodium sulfide, 18 parts of ferric oxide, 20 parts of iron sulfate, 15 parts of calcium oxide, 1 part of sodium sulfate, 15 parts of calcium hydroxide, 18 parts of bentonite, and 20 parts of cement.
[0035] Preparation method: Mix the above-mentioned raw materials to obtain the soil remediation agent.
[0036] The test soil was collected from an area contaminated by heavy metals. The content of heavy metals in the soil surface of this area was higher than the third-level standard of "Soil Environmental Quality Standard" (GB15618-1995). Repair according to the actual situation of pollution
[0037] Soil remediation: Collect heavy metal contaminated soil, then mix 1% by weight of the soil remediation agent evenly on the surface of the heavy metal soil contaminated soil, and then plow the soil to make the soil remediation agent and the heavy metal contaminated soil fully mix u...
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