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首页> 外文期刊>Asian Journal of Chemistry: An International Quarterly Research Journal of Chemistry >Computer-Controlled Scanning Electron Microscopy Investigation on Transformation of Minerals and PM_(2.5) Emissions During Chinese Coal Combustion
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Computer-Controlled Scanning Electron Microscopy Investigation on Transformation of Minerals and PM_(2.5) Emissions During Chinese Coal Combustion

机译：中国煤炭燃烧过程中矿物和PM_（2.5）排放物的计算机控制扫描电子显微镜研究

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摘要

The mineralogy of two coals and its combustion-generated particulate matter (PM2.5) was characterized in detail by computer controlled scanning electron microscopy. The results show that the interactions among minerals plays an important role in the PM_(2.5) formation. Transformations of fine Si-Al mineral grains provided by the minerals in coal HT into coarse particles are responsible for the reduction of PM2.5 during the combustion of coal HT. The transformed fine Si-Al particles are captured by the coarse Ca-Mg-Al-Si provided by the minerals in coal HT to form larger Ca-Mg-Al-Si particles. Increasing Ca and Mg concentration in coal HT enhances the liquid concentration produced during combustion and hence affects the emissions of PM_(2.5).
机译：用计算机控制的扫描电子显微镜对两种煤的矿物学及其燃烧产生的颗粒物（PM2.5）进行了详细表征。结果表明，矿物之间的相互作用在PM_（2.5）的形成中起着重要作用。煤HT燃烧过程中，由煤HT中的矿物提供的细小的Si-Al矿物颗粒转变为粗颗粒的原因是PM2.5的降低。煤HT中的矿物提供的粗Ca-Mg-Al-Si捕获了转变后的Si-Al细颗粒，形成了较大的Ca-Mg-Al-Si颗粒。煤HT中Ca和Mg浓度的增加会增加燃烧过程中产生的液体浓度，从而影响PM_（2.5）的排放。

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