Method for improving polluted soil
A technology for polluted soil and soil, applied in the restoration of polluted soil and other directions, can solve the problems of high cost, temporary isolation of polluted soil, lack of long-term stability, etc., and achieve the effect of wide application and long-term stable harmless effect.
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[0050] Example 1
[0051] The contaminated soil (original soil) shown in treatment numbers 1 to 7 in Table 2 was subjected to the treatments shown in treatment numbers 1 to 7 in Table 1, and the results shown in treatment numbers 1 to 7 in Table 3 were obtained.
[0052] In the treatment numbers 1 to 7 in Table 1, the pretreatment means that the additives are used for treatment before the improvement treatment, and the amount of addition is shown in Table 1.
[0053] For the improved materials, use the additives shown in the table. For example, in the case of treatment number 1, add zeolite C and zeolite M, then add bitter soil slaked lime I, and finally add volcanic weathered clay. The addition amount is shown in Table 1. Zeolite C was not used in treatment number 6.
[0054] Zeolite C: Clinoptilolite (150meq / 100g)
[0055] Zeolite M: Mordenite (150meq / 100g)
[0056] The analysis of the elution amount of the contaminated soil in Table 2 was performed according to the following me...
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