Diagnostic of Novel Atmospheric Plasma Source and Its Application to Vitrification of Waste Incinerator Fly Ash
作者： Xin Tu , Qin Wang , Liang Yu , Bruno Chéron , Jianhua Yan
DOI: 10.1021/EF800141B
关键词:
摘要: The characteristics of a novel atmospheric plasma source generated by dc double-anode torch have been investigated measuring its emission spectra and heat flux. original design has proven to be effective in enhancing the aerodynamic stability luminous intensity arc, as well jet length. As an application, vitrification process based on double-arc argon employed convert toxic incinerator fly ash into harmless, stable, chemical durable product. vitrified slag exhibits homogeneous, highly dense, amorphous glassy structure, which is further confirmed scanning electron microscopy X-ray diffraction. leaching concentrations target heavy metals are decreased significantly much lower than current regulatory thresholds China U.S., reveals that contaminants sufficiently immobilized silicate network matrix. It also determined vitrifi...
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