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The Effects Of Metal Speciation, Content And Cluster Size In Fly Ash On Pcdd/F Formation, Xia Guan
The Effects Of Metal Speciation, Content And Cluster Size In Fly Ash On Pcdd/F Formation, Xia Guan
LSU Doctoral Dissertations
Transition metal oxides present in waste incineration systems have the ability to catalyze the formation of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) through surface mediated condensation of organic dioxin precursors. Current studies have concentrated on the catalytic effects of individual transition metal oxides, while the complex composition of fly ash introduces the possibility of synergistic or antagonistic effects between multiple, catalytically active components. In addition, there is at present hardly a quantitative link between fly ash physical properties/chemical reactivity and PCDD/Fs yield.
We have tested fly ash surrogates containing different ratios of iron (III) oxide and copper (II) oxide …