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OALib Journal期刊
ISSN: 2333-9721
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不同煤燃烧过程颗粒汞生成特性的实验研究
, PP. 1135-1141
Keywords: 溴化钙,颗粒汞,煤燃烧
Abstract:
？在高温管式电加热炉上进行了三种煤单独燃烧,三种煤添加1%、3%、5%溴化钙与醋酸钙燃烧,以及一种煤添加fe2o3燃烧实验,燃烧温度为1250℃。收集了各燃烧过程的飞灰,对收集的飞灰进行了hg含量测定,并对飞灰进行了比表面积、eds与xrd表征。实验与分析结果表明,三种煤燃烧后hgp的生成特性显著不同;三号煤灰的比表面积最大但飞灰颗粒hg含量及hgp比率均很低;在添加cabr2后,三种煤飞灰颗粒hg含量及hgp比率均显著增加;在三种煤中添加醋酸钙,及在三号煤中添加fe2o3后,hgp含量与比率有所增加,但增加幅度较小。
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