| 煤泥水絮凝处理中絮凝体的分形特征 |
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| 引用本文： | 张明青,刘炯天,何 伟,曾 艳,刘汉湖,刘琴亚.煤泥水絮凝处理中絮凝体的分形特征[J].环境科学研究,2009,22(8):956-960. |
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| 作者姓名： | 张明青 刘炯天 何 伟 曾 艳 刘汉湖 刘琴亚 |
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| 作者单位： | 1.江苏省资源环境信息工程重点实验室, 江苏 徐州 221008;中国矿业大学环境与测绘学院, 江苏 徐州 221008 |
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| 基金项目： | 国家杰出青年科学基金项目，中国矿业大学科技基金项目，教育部科学研究重大项目 |
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| 摘 要： | 用聚丙烯酰胺作絮凝剂，研究了所含黏土类型、絮凝剂投加量等因素对煤泥水絮凝效果和絮凝体分形维数的影响. 结果表明，含高岭石的煤泥水絮凝剂最佳投加量为10.0 mg/L，所对应絮凝体的分形维数最大，为2.70. 投加量不足时分形维数降至1.55，投加量过量时分形维数降至1.95；含蒙脱石的煤泥水絮凝剂最佳投加量为15.0 mg/L，所对应絮凝体分形维数最大，为1.68. 投加量不足时分形维数降至1.01，投加量过量时分形维数降至1.51.
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| 关 键 词： | 煤泥水 絮凝 分形维数 |
| 收稿时间： | 2008/10/6 0:00:00 |
| 修稿时间： | 2008/12/20 0:00:00 |
Fractal Characteristics of Flocs in Coal Slurry Treated Using PAM |
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| ZHANG Ming-qing,LIU Jiong-tian,HE Wei,ZENG Yan,LIU Han-hu and LIU Qin-ya.Fractal Characteristics of Flocs in Coal Slurry Treated Using PAM[J].Research of Environmental Sciences,2009,22(8):956-960. |
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| Authors: | ZHANG Ming-qing LIU Jiong-tian HE Wei ZENG Yan LIU Han-hu and LIU Qin-ya |
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| Institution: | ZHANG Ming-qing~,LIU Jiong-tian~3,HE Wei~2,ZENG Yan~2,LIU Han-hu~1.Jiangsu Key Laboratory of Resources , Environmental Information Engineering,Xuzhou 221008,China2.School of Environment Science , Spatial Informatics,China University of Mining & Technology,China3.School of Chemical Engineering , Technology,China4.Chinese Academy of Meteorological Sciences,Beijing 100081,China |
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| Abstract: | Flocculation experiments using PAM were carried out to study the influence of coal slurry clay type and flocculant dosage on fractal dimension of aggregated flocs and slurry flocculation efficiency.The results showed that optimal flocculation efficiency can be obtained with the highest fractal dimension of 2.70,and the optimal flocculant dosage is 10.0(mg/L) with kaolinite in coal slurry.The fractal dimension decreases to 1.55 and 1.95 with underdosage and overdosage of flocculant,respectively.For coal slur... |
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| Keywords: | coal slurry flocculation fractal dimension |
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