Behavior and Control of Metals in a Hazardous Waste Incinerator

G. Hinshaw
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引用次数: 11

Abstract

ABSTRACT In conjunction with a performance test series used to develop trial burn test conditions, supplementary sampling and analysis were performed to study the behavior of metals in an incinerator's combustion system and the control of metals in the incinerator's air pollution control equipment (APCE) train. The test incinerator was a Nichols Monohearth primary chamber with an afterburner; APCE consisted of a spray dryer, a cooler/condenser, a venturi scrubber, a baffle-absorber, and a mist eliminator. Multiple metals stack sampling was performed at the inlet to the APCE system, concurrent with incinerator feed and stack sampling. Analysis of these additional samples allowed evaluation of metals partitioning in the combustion system as well as APCE removal efficiencies as a function of chlorine feed concentration and venturi differential pressure. X-Ray diffractometry was applied to selected samples to speciate any crystalline phases present, and scanning electron microscopy with energy dispersive X-ra...
危险废物焚化炉中金属的行为与控制
摘要:结合一系列用于开发试验燃烧试验条件的性能测试,进行了补充采样和分析,以研究焚烧炉燃烧系统中金属的行为以及焚烧炉空气污染控制设备(APCE)列车中的金属控制。试验焚化炉是尼科尔斯单炉主室和加力燃烧器;APCE由喷雾干燥器、冷却器/冷凝器、文丘里洗涤器、挡板吸收器和除雾器组成。在APCE系统入口进行多个金属堆取样,同时进行焚烧炉进料和堆取样。通过对这些额外样品的分析,可以评估燃烧系统中的金属分配,以及APCE去除效率与进料氯浓度和文丘里压差的关系。采用x射线衍射法对所选样品进行了表征,并使用能量色散X-ra扫描电子显微镜对样品进行了表征。
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