Conditioner for repairing heavy metal contaminated soil and preparing method for conditioner
A technology of polluted soil and conditioner, applied in the field of soil remediation, can solve problems such as soil structure, texture damage, unsuitable for cultivation, etc., and achieve the effect of improving texture and structure, increasing salt content, and increasing available nitrogen content
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Embodiment 1
[0022] A conditioner for remediation of heavy metal-contaminated soil, in parts by weight, the conditioner consists of:
[0023] 18 parts of oyster powder, 11 parts of biogas residue, 4 parts of cow dung, 3 parts of selenium nitrate, 4 parts of calcium molybdate, 2 parts of barium phosphate, 5 parts of superphosphate, 50 parts of calcareous soil, 6 parts of calcium oxalate, sugarcane ash 7 parts, palygorskite 3 parts, bamboo powder 2 parts, yeast powder 1 part and polydimethyldiallylammonium chloride 4 parts.
[0024] Also included are 0.1 parts of cellulolytic bacteria agent and 0.3 parts of silicate bacteria agent.
[0025] The preparation method of a conditioner for remediation of heavy metal-contaminated soil comprises the following steps:
[0026] (1) Mix cow dung and yeast powder evenly, and place it at 42°C for 10 hours before use;
[0027] (2) After mixing the calcareous soil and palygorskite, carry out mechanical crushing, and then transfer the crushed material to t...
Embodiment 2
[0032] A conditioner for remediation of heavy metal-contaminated soil, in parts by weight, the conditioner consists of:
[0033] 33 parts of oyster powder, 17 parts of biogas residue, 10 parts of cow dung, 11 parts of selenium nitrate, 9 parts of calcium molybdate, 8 parts of barium phosphate, 11 parts of superphosphate, 85 parts of calcareous soil, 10 parts of calcium oxalate, sugar cane ash 12 parts, palygorskite 10 parts, bamboo powder 8 parts, yeast powder 3 parts and polydimethyldiallylammonium chloride 8 parts.
[0034] Also included are 1.5 parts cellulolytic bacteria and 1.8 parts silicate bacteria.
[0035] The preparation method of a conditioner for remediation of heavy metal-contaminated soil comprises the following steps:
[0036] (1) Mix cow dung and yeast powder evenly, and place it at 50°C for 48 hours for later use;
[0037] (2) After mixing the calcareous soil and palygorskite, carry out mechanical crushing, and then transfer the crushed material to the mixi...
Embodiment 3
[0042] A conditioner for remediation of heavy metal-contaminated soil, in parts by weight, the conditioner consists of:
[0043] 25 parts of oyster powder, 14 parts of biogas residue, 7 parts of cow dung, 7 parts of selenium nitrate, 6 parts of calcium molybdate, 5 parts of barium phosphate, 8 parts of superphosphate, 67 parts of calcareous soil, 8 parts of calcium oxalate, 9 parts of sugarcane ash 6 parts, 6 parts of palygorskite, 5 parts of bamboo powder, 2 parts of yeast powder and 6 parts of polydimethyldiallylammonium chloride.
[0044] Also included are 0.8 parts of cellulolytic bacteria agent and 1.1 parts of silicate bacteria agent.
[0045] The preparation method of a conditioner for remediation of heavy metal-contaminated soil comprises the following steps:
[0046] (1) Mix cow dung and yeast powder evenly, and place it at 46°C for 30 hours for later use;
[0047] (2) After mixing the calcareous soil and palygorskite, carry out mechanical crushing, and then transfe...
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