| 北京市西北城区取暖期环境大气中PM10的物理化学特征 |
| 摘要点击 2207 全文点击 2231 投稿时间：2000-11-27 修订日期：2001-06-08 |
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| 中文关键词 PM10 矿物 形貌 北京市西北城区 |
| 英文关键词 PM 10 mineral compositions morphology northwestern Beijing |
| 作者 | 单位 | | 时宗波 | 1.中国矿业大学(北京)资源开发工程系,北京,100083
| | 邵龙义 | 1.中国矿业大学(北京)资源开发工程系,北京,100083
| | 李红 | 1.中国矿业大学(北京)资源开发工程系,北京,100083
| | A.G.Whittaker | School of Biosciences,Cardiff University,PO BOX911,Cardiff,CF10,3US,UK | | T.P.Jones | School of Biosciences,Cardiff University,PO BOX911,Cardiff,CF10,3US,UK | | K.A.BeruBe | School of Biosciences,Cardiff University,PO BOX911,Cardiff,CF10,3US,UK | | R.J.Richards | School of Biosciences,Cardiff University,PO BOX911,Cardiff,CF10,3US,UK |
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| 中文摘要 |
| 根据监测资料探讨了北京市西北城区取暖期PM10的逐日变化规律和日变化规律.分别使用X射线衍射仪(XRD)和扫描电镜(SEM)研究PM10中的矿物成分及其微观形貌特征.结果表明夜间PM10浓度普遍高于白天.XRD分析显示颗粒物粒度越细,其中所含的矿物种类越少.SEM研究得出,单个PM10颗粒类型可初步分为有链状集合体、簇状集合体、圆球状、片状和不规则形状等5类.从数量上看,PM10主要来自燃煤和汽车尾气. |
| 英文摘要 |
| The wet FGD process with waste marble was studied experimentally, and the mass transfer reaction mechanism was analyzed. Main parameters including liquid/gas ratio, pH value of the absorbent slurry and inlet SO2 concentration, etc. affecting SO2 removal efficiency were studied for the process. The results show that the suitable operating conditions were recommended as follows: pH0=5.5～6.5, L/G=3L/m3, a =2%; the sulfur dioxide removal efficiency can reach more than 60% when the inlet SO2 concentration was 1000ml/m3.In addition, the industrial application potential for this process was discussed. |
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