| abstract |
(57) [Abstract] [Problem] To provide a waste treatment method capable of stabilizing harmful heavy metals contained in wastes such as incinerated ash of industrial waste, incinerated ash of municipal waste, mining tail, soil, sludge, shredder dust, and the like. I do. SOLUTION: Waste containing harmful heavy metals such as incineration fly ash including harmful substances such as lead, cadmium, mercury, and lime, municipal waste incineration ash such as main ash and molten fly ash, industrial waste incineration ash, and activated sludge. Is treated with a waste material containing water glass as a main component. A treatment material containing a ratio of 5: 5 to 80:20 is combined with a liquid calcium hydroxide having a solid content of 25% by weight or less such as carbide milk. |