Method for curing dredged sludge by doping incinerated bottom ash of domestic garbage
A technology of domestic waste incineration and dredging sludge, which is applied in the direction of solid waste removal, etc., can solve the problems of low water content and strength, reduce the leaching toxicity of solidified dredged sludge, improve soil mechanical properties, solve secondary pollution problems, and reduce The effect of solidifying costs
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Embodiment 1
[0025] The ratio of the addition amount of domestic waste incineration bottom ash to the weight of dredged sludge is 0.3:1, the ratio of quicklime content to the weight of domestic waste incineration bottom ash is 0.15:1, and the unconfined compressive strength of solidified body at 28 days With a pressure of 60kPa, it will not collapse and disintegrate when soaked in water, and can be used as backfill material for building foundations.
Embodiment 2
[0027] The dosage of bottom ash from domestic waste incineration is 0.5:1 of the weight of dredged sludge, the ratio of quicklime to the weight of bottom ash from domestic waste incineration is 0.10:1, and the unconfined compressive strength of the 28-day solidified body is 65kPa , soaked in water will not collapse and collapse, and can be used as filling materials for highway embankments.
Embodiment 3
[0029] The dosage of bottom ash from domestic waste incineration is 0.4:1 of the weight of dredged sludge, the ratio of quicklime to the weight of bottom ash from domestic waste incineration is 0.20:1, and the unconfined compressive strength of solidified body at 28 days is 80kPa , soaked in water will not collapse and collapse, and can be used as embankment filling materials.
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