Remediation agent and remediation method for heavy metal contaminated soil
A technology that pollutes soil and heavy metals, applied in the field of soil remediation, can solve the problems of high cost and poor effect
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Embodiment 1
[0050] 2 parts of humic acid, 5 parts of succinic acid, 5 parts of sawdust, 2 parts of bentonite, 10 parts of sodium polyacrylate, 5 parts of briquette ash, 5 parts of seaweed residue, 2 parts of zeolite, 5 parts of nano hydrogel, 10 parts of biochar , 10 parts of Fe-Mn binary oxide, 5 parts of sodium pyrophosphate, 2 parts of microbial mixed bacteria.
[0051] Among them, the nano-hydrogel is selected from the mixture of amide-based nano-hydrogel, cationic guar gum, and sulfonic-acid-based nano-hydrogel; the biochar is selected from rice husk charcoal, straw charcoal, cow dung charcoal, and pig manure charcoal; microbial mixed bacteria Selection: Desulfurization Bacillus subtilis, sodium polyacrylate reducing bacteria, discoid spiral cyanobacteria, white rot fungi, Shewanella putrefaction mixed, Fe-Mn binary oxides contain hematite.
[0052] Add the restoration agent to the soil polluted by heavy metals, then plow down the soil contaminated by heavy metals for the first time ...
Embodiment 2
[0054] 16 parts of humic acid, 10 parts of succinic acid, 20 parts of sawdust, 10 parts of bentonite, 20 parts of sodium polyacrylate, 10 parts of briquette ash, 20 parts of seaweed residue, 10 parts of zeolite, 10 parts of nano hydrogel, 30 parts of biochar , 20 parts of Fe-Mn binary oxide, 10 parts of sodium pyrophosphate, 14 parts of trace element fertilizer, and 10 parts of microbial mixed bacteria.
[0055] Among them, the nano-hydrogel chooses amide-based nano-hydrogel mixed with cationic guar gum; the biochar chooses rice husk charcoal mixed with pig manure charcoal; the choice of trace element fertilizer: 26 parts of chelated zinc, 10 parts of chelated iron, chelated 12 parts of magnesium alloy, 10 parts of chelated copper, 8 parts of organic matter; microbial mixture selection: Bacillus subtilis desulfurum, sodium polyacrylate reducing bacteria, discoid spiral cyanobacteria, Shewanella putrefaction mixed.
[0056] Add the restoration agent to the soil polluted by heav...
Embodiment 3
[0058] 8 parts of humic acid, 7 parts of succinic acid, 15 parts of sawdust, 5 parts of bentonite, 15 parts of sodium polyacrylate, 7 parts of briquette ash, 15 parts of seaweed residue, 6 parts of zeolite, 7 parts of nano hydrogel, 20 parts of biochar , 15 parts of Fe-Mn binary oxide, 7 parts of sodium pyrophosphate, 12 parts of trace element fertilizer, 6 parts of microbial mixed bacteria.
[0059] Among them, nano-hydrogels choose amide-based nano-hydrogels and sulfonic acid-based nano-hydrogels; biochars choose rice husk charcoal, cow dung charcoal, and pig manure charcoal; trace element fertilizers: 20 parts of chelated zinc, chelated 7 parts of iron, 10 parts of chelated magnesium, 9 parts of chelated copper, 7 parts of organic matter; microbial mixed bacteria selection: discoid spiral cyanobacteria, white rot fungus and Shewanella putrefaction, Fe-Mn binary oxide contains Hematite.
[0060] Add the restoration agent to the soil polluted by heavy metals, then plow down ...
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