| abstract |
The invention relates to a heavy metal composite polluted soil stabilization repairing agent with low environmental risk, a preparation method and an application thereof. The invention obviously reduces the mobility and leaching toxicity of heavy metals in the composite heavy metal polluted soil, the repaired soil can be recycled, the environmental risk of the soil after in-situ backfilling is reduced, and the method is safe and reliable; adjusting components according to the types and content conditions of the heavy metals, and performing heavy metal stabilization treatment in a targeted manner; the raw materials are easy to obtain, the cost is low, the preparation is simple, the environmental risk is low, the use is convenient, the effect is stable, and the stabilizing and repairing effect is realized on various heavy metals. |