A soil heavy metal remediation agent
A technology of heavy metals and repair agents, applied in the direction of soil conditioning materials, organic fertilizers, fertilizer mixtures, etc., to achieve the effect of reducing soil acidity, simple operation, and preventing absorption
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Embodiment 1
[0041] Active calcium magnesium phosphate fertilizer 35%, potassium silicate 15%, magnesium sulfate monohydrate 8%, zinc sulfate monohydrate 0.5%, boric acid 1%, carboxymethyl chitosan 3%, amino acid 3%, bentonite 15%, sea foam Stone 19.5%.
[0042] Preparation method: uniformly mix carboxymethyl chitosan, amino acid, zinc sulfate monohydrate, and boric acid, then mix with magnesium sulfate monohydrate, active calcium magnesium phosphate fertilizer, and potassium silicate in sequence, and finally mix with bentonite and sepiolite, Mix well.
Embodiment 2
[0044] Superphosphate 31.2%, potassium silicate 20%, magnesium sulfate monohydrate 15%, zinc sulfate monohydrate 0.3%, borax 3%, manganese sulfate 1%, polyacrylamide 0.5%, humic acid 2%, attapulgite 10 %, bentonite 17%.
[0045] Preparation method: Mix polyacrylamide, humic acid, zinc sulfate monohydrate, borax, and manganese sulfate evenly, then mix them with superphosphate, potassium silicate, and magnesium sulfate monohydrate in sequence, and finally mix them with bentonite and attapulgite, Mix well.
Embodiment 3
[0047] Calcium magnesium phosphate fertilizer 37%, calcium oxide 15%, sodium silicate 8%, magnesium sulfate monohydrate 5%, zinc sulfate monohydrate 0.5%, boric acid 2%, sodium molybdate 0.7%, polyacrylamide 0.3%, polychlorinated Iron 1%, activated carbon 5%, attapulgite 10%, sepiolite 15.5%.
[0048] Preparation method: uniformly mix polyacrylamide, polyferric chloride, activated carbon, zinc sulfate monohydrate, boric acid, and sodium molybdate, then mix with calcium magnesium phosphate fertilizer, calcium oxide, sodium silicate, and magnesium sulfate monohydrate in sequence, and finally Mix evenly with sepiolite and attapulgite.
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