Innocent treatment process for industrial heavy metal waste residue by utilizing treating waste with waste
An industrial metal and harmless technology, applied in the field of environmental protection engineering and environmental chemistry, can solve the problems of poor curing effect of high permeability and high cost of materials, and achieve an effect that is conducive to environmental protection
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[0010] Embodiment: First prepare the cement solidification matrix according to the prescribed formula. The mixing ratio of solidified matrix based on waste incineration fly ash and industrial heavy metal solid waste is selected as 1.5 / 1.0. The components and proportions of the curing matrix are as follows: 60% of municipal waste incineration fly ash, 20% of aluminum-containing industrial waste slag powder, and 20% of calcium control agent lime powder.
[0011] Treat 400 kg of electroplating heavy metal nickel and chrome sludge, 360 kg of urban waste incineration fly ash, 120 kg of aluminum-containing industrial waste, and 120 kg of calcium control agent lime powder to make a cement-like solidification matrix. The solidified matrix and heavy metal sludge are mixed with appropriate amount of water, then mechanically stirred, and then made into 1000 kg (dry weight) of cement block solidified body, which is preserved at room temperature for five days and then buried in a landfill....
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