To Study the Effect of Chlorine on Lead and Cadmium Leaching Toxicity in Fly Ash of Domestic Waste Incineration
The effects of chlorine in fly ash on lead and cadmium leaching toxicity were investigated by semi-quantitative analysis,quantitative analysis and leaching toxicity analysis of fly ash from 18 different areas.The results show that the main elements in fly ash are Ca,Al,Si,Na and Cl,and the heavy metals are Pb,Zn and Cu.The chlorine content in fly ash from domestic solid waste incineration is 6.55％～16.8％,and the difference of chlorine content in fly ash from different regions is obvious.There is no obvious relationship between the chlorine content in raw ash and the lead and cadmium content in the leaching solution,and there is no obvious relationship between the chlorine content in the leaching solution and the lead and cadmium content in the leaching solution.
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