DC Arc Plasma Furnace Melting of Waste Incinerator Fly Ash

被引：0

作者：

陈明周 ^{[1
]}

孟月东 ^{[1
]}

施嘉标 ^{[1
]}

匡静安 ^{[1
]}

倪国华 ^{[1
]}

刘卫 ^{[1
]}

江贻满 ^{[1
]}

机构：

[1] Institute of Plasma Physics,Chinese Academy of Sciences

来源：

Plasma Science and Technology | 2009年 / 01期

关键词：

fly ash; plasma; melting; dioxins; heavy metal;

D O I：

暂无

中图分类号：

TM501.2 []; O53 [等离子体物理学];

学科分类号：

070204 ;

摘要：

Municipal solid waste incinerator（MSWI）fly ash was melted using a set of di-rect current（DC）arc plasma furnace system for the first time in China.At a feed-rate offlying ash of 80 kg/h,the temperature at the gas outlet was above 1300℃.Dioxins in theoff-gas were recorded as 0.029 ng I-TEQ/Nm;（international toxic equivalent,I-TEQ）,well be-low 0.5 ngTEQ/Nm;（toxic equivalent,TEQ）,while those in the melted product（slag）were0.00035 ng/g I-TEQ.Molten slag from the furnace showed excellent resistance against the leachingof heavy metals.These results prove that the plasma furnace is effective for the detoxification andstabilization of MSWI fly ash.

引用

页码：62 / 65

页数：4

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