A kind of heavy metal polluted soil remediation agent
A technology of polluted soil and remediation agent, which is applied in the field of soil pollution remediation, can solve problems such as soil heavy metal pollution that cannot be effectively solved, achieve good biocompatibility and biodegradability, improve adsorption effect, and increase the effect of specific surface area
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Embodiment 1
[0021] A heavy metal contaminated soil restoration agent, comprising the following raw materials in parts by weight: 40 parts of modified vermiculite, 4.5 parts of sodium 1,3,6-naphthalene trisulfonate, 10 parts of biochemical potassium fulvic acid, 5 parts of succinic acid, desulfurization 0.6 parts of Bacillus subtilis, 0.8 parts of discoid spiral cyanobacteria, 0.3 parts of white rot fungi, including hydroxypropyltrimethylammonium chloride chitosan, 1,3,6-sodium naphthalenetrisulfonate, and biochemical fulvic acid The particle diameters of potassium and succinic acid are both controlled at 80-150 mesh.
[0022] The preparation method of the modified vermiculite is as follows: heat-treat the vermiculite at 600°C for 8 hours, then add the heat-treated vermiculite into the ethanol solution, ultrasonicate for 20 minutes, then add lactic acid, hydroxypropyl trimethyl chloride Ammonium chitosan, titanate coupling agent, stirred and reacted at 65°C for 8 hours, after the reaction ...
Embodiment 2
[0025] A heavy metal contaminated soil restoration agent, comprising the following raw materials in parts by weight: 50 parts of modified vermiculite, 6 parts of sodium 1,3,6-naphthalene trisulfonate, 6 parts of biochemical potassium fulvic acid, 7 parts of succinic acid, desulfurization 0.8 parts of Bacillus subtilis, 0.3 parts of discoid spiral cyanobacteria, 0.5 parts of white rot fungi, including hydroxypropyltrimethylammonium chloride chitosan, 1,3,6-sodium naphthalenetrisulfonate, biochemical fulvic acid The particle diameters of potassium and succinic acid are both controlled at 80-150 mesh.
[0026] The preparation method of the modified vermiculite is as follows: heat-treat the vermiculite at 700° C. for 6 hours, then add the heat-treated vermiculite into the ethanol solution, ultrasonicate for 30 minutes, then add lactic acid, hydroxypropyl trimethyl chloride Ammonium chitosan, titanate coupling agent, stirred and reacted at 70°C for 6h, suction filtered after the re...
Embodiment 3
[0029] A heavy metal contaminated soil restoration agent, comprising the following raw materials in parts by weight: 60 parts of modified vermiculite, 3 parts of sodium 1,3,6-naphthalene trisulfonate, 8 parts of biochemical potassium fulvic acid, 10 parts of succinic acid, desulfurization 0.3 parts of Bacillus subtilis, 0.5 parts of discoid spiral cyanobacteria, 0.8 parts of white rot fungi, including hydroxypropyltrimethylammonium chloride chitosan, 1,3,6-sodium naphthalenetrisulfonate, and biochemical fulvic acid The particle diameters of potassium and succinic acid are both controlled at 80-150 mesh.
[0030]The preparation method of the modified vermiculite is as follows: heat-treat the vermiculite at 800° C. for 4 hours, then add the heat-treated vermiculite into the ethanol solution, ultrasonicate for 40 minutes, then add lactic acid, hydroxypropyl trimethyl chloride Ammonium chitosan, titanate coupling agent, stirred and reacted at 75°C for 5 hours, suction filtered aft...
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