Incineration Characteristics of Steel-Rolling Oily Sludge Combined with Typical Hazardous Waste
Aiming at the complex combustion characteristics and interaction reactions of multi-source hazardous wastes in the process of co-incineration,the combustion characteristics,kinetic parameters and interactions of steel-rolling oily sludge,paint slag and resin mixtures were investigated through raw material compatibility and thermogravimetric experiments,and the synergistic effect was predicted by establishing an artificial neural net-work(ANN)model.The results showed that when the proportions of oil sludge Ⅰ,oil sludge Ⅱ,paint sludge and resin were 20%,25%,40%and 15%,respectively,the integrated combustion performance of the mixture was the best,with a maximum weight loss rate of 9.77%/min.Increasing heating rate was favorable for improving the combustion performance of the mixture.The trend of activation energy of the blend 3 was obtained from the kinetic analysis,which reached a maximum at a conversion rate of 0.5 and then decreased sharply.In addition,the training and testing R2 of the ANN 9-10 model was as high as 0.99,which was verified through the comparison with the experimental results and basically met the requirement of predicting the interaction effect,and the model could reversely guide and optimize the experimental design.
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