Analysis of Hazardous Characteristics of Hazardous Waste Melting Water Quenched Slag
Taking the smelting water quenched slag generated by several domestic hazardous waste disposal and utilization enterprises as the research object,this paper analyzes and studies the raw materials,products,and process flow.By collecting 100 smelting water quenched slag samples for element content analysis and hazard characteristic testing,combined with the production process of smelting water quenched slag,the influencing factors of its hazard characteristics are analyzed.The results showed that the corrosiveness of water quenched slag(pH value)was 7.39～10.38,and the maximum nickel concentration in the leaching solution accounted for 11.62%of the standard,while the maximum concentration of other inorganic elements and compounds was below 10%.Adding quicklime to the raw materials can cause the corrosiveness(pH value)of water quenched slag to be alkaline.The nickel concentration in the leaching solution of water quenched slag is related to the heavy metal nickel content in the raw materials,as well as the process parameters that affect the solidification effect of water quenched slag on heavy metals during the incineration process.
NETL
NSTL
万方数据
维普
