Heavy metal contaminated soil remediation agent and preparation method and application method thereof
A technology for polluted soil and remediation agent, applied in the field of soil remediation, can solve the problems of economic loss, can not completely eliminate heavy metals in soil, endanger human health and other problems, and achieve the effect of reducing pests and diseases, rapid treatment and recycling, and increasing yield.
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Embodiment 1
[0037] Heavy metal contaminated soil remediation agent, made from the following raw materials by weight:
[0038] Humic acid 100kg,
[0039] Biochar 50kg,
[0040] 20kg of compound minerals (including 5kg of potassium permanganate, 5kg of ammonium nitrate, 5kg of shell powder, and 5kg of calcium phosphate),
[0041] Compound enzyme preparation 1kg (including 0.25kg biological enzyme, 0.5kg pesticide degrading enzyme, 0.25kg plant decomposing enzyme),
[0042] Compound microbial agent 1kg (including 0.25kg of enzyme bacteria, 0.25kg of nitrogen-fixing bacteria, 0.5kg of probiotics, and the effective number of viable bacteria is 1×10 8 cfu / g).
[0043] Preparation:
[0044] (1) take each raw material by the parts by weight of above-mentioned heavy metal contaminated soil remediation agent;
[0045] (2) Mix humic acid, biochar and composite minerals, crush them, pass through an 80-mesh sieve, add equal weight of water, heat up to 50°C, stir at a speed of 200r / min for 2 hours...
Embodiment 2
[0049] Heavy metal contaminated soil remediation agent, made from the following raw materials by weight:
[0050] Humic acid 200kg,
[0051] Biochar 100kg,
[0052] 30kg of compound minerals (including 9kg of potassium permanganate, 9kg of ammonium nitrate, 6kg of shell powder, and 6kg of calcium phosphate),
[0053] Compound enzyme preparation 5kg (including biological enzyme 0.5kg, pesticide degrading enzyme 2.5kg, plant decomposing enzyme 2.0kg),
[0054] Composite microbial agent 5kg (including 1.0kg of enzyme bacteria, 2.0kg of nitrogen-fixing bacteria, 2.0kg of probiotics, and the number of effective viable bacteria is 1×10 11 cfu / g).
[0055] Preparation:
[0056] (1) take each raw material by the parts by weight of above-mentioned heavy metal contaminated soil remediation agent;
[0057] (2) Mix humic acid, biochar and composite minerals and pulverize them, pass through a 100-mesh sieve, add equal weight of water, heat up to 60°C, stir at a speed of 500r / min for 1 h...
Embodiment 3
[0061] Heavy metal contaminated soil remediation agent, made from the following raw materials by weight:
[0062] Humic acid 150kg,
[0063] Biochar 80kg,
[0064] 25kg of compound minerals (including 7.5kg of potassium permanganate, 7.5kg of ammonium nitrate, 5kg of shell powder, and 5kg of calcium phosphate),
[0065] Compound enzyme preparation 2kg (including biological enzyme 0.5kg, pesticide degrading enzyme 1.0kg, plant decomposing enzyme 0.5kg),
[0066] Compound microbial agent 2kg (including 0.5kg of enzyme bacteria, 0.5kg of nitrogen-fixing bacteria, 1.0kg of probiotics, and the effective number of viable bacteria is 1×10 10 cfu / g).
[0067] Preparation:
[0068] (1) take each raw material by the parts by weight of above-mentioned heavy metal contaminated soil remediation agent;
[0069] (2) Mix humic acid, biochar and composite minerals and pulverize them, pass through a 100-mesh sieve, add equal weight of water, heat up to 55°C, stir at a speed of 300r / min for...
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