| 聚合氯化铝中纳米Al13电荷特性及其混凝效果 |
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| 引用本文： | 初永宝,高宝玉,岳钦艳,王燕,王曙光.聚合氯化铝中纳米Al13电荷特性及其混凝效果[J].环境科学,2005,26(6):119-122. |
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| 作者姓名： | 初永宝 高宝玉 岳钦艳 王燕 王曙光 |
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| 作者单位： | 1. 山东大学环境科学与工程学院,济南,250100;青岛科技大学材料与环境科学学院,青岛,266042
2. 山东大学环境科学与工程学院,济南,250100 |
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| 基金项目： | 国家高技术研究发展计划(863)项目(2002AA601290-5);高等学校博士点专项科研基金项目(20020422001);山东省自然科学基金项目(Y2002B03) |
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| 摘 要： | 采用聚丙烯酰胺凝胶柱层析法分离纯化聚合氯化铝(PAC)中的Al13形态,并采用Al-Ferron逐时络合比色法和ZATESIZER 3000HSA测定仪对分离所得纳米Al13形态以及AlCl3和PAC进行了分析表征和电荷特性的对比性研究;采用烧杯实验法对3个样品处理实际和模拟水样的混凝效果进行了对比性研究.Al-Ferron逐时络合比色法的结果表明,采用层析法分离可得到含量99%左右的纳米Al13形态;电荷特性和混凝效果研究结果表明纳米Al13形态较其它两者具有更好的除浊、除腐殖酸和脱色效果并且具有更强的电中和能力,因此Al13形态是一种具有较高正电荷和较高的水解稳定性,在给水和废水处理中的一种较为有效的Al形态.
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| 关 键 词： | Al13形态 分离纯化 聚合氯化铝(PAC) 柱层析 |
| 文章编号： | 0250-3301（2005）06-0119-04 |
| 收稿时间： | 2004-12-09 |
| 修稿时间： | 2004-12-092005-03-30 |
Electrical Charges and Coagulation Efficiency of Al13 Species in Polyaluminum Chloride(PAC) |
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| CHU Yong-bao,GAO Bao-yu,YUE Qin-yan,WANG Yan and WANG Shu-guang.Electrical Charges and Coagulation Efficiency of Al13 Species in Polyaluminum Chloride(PAC)[J].Chinese Journal of Environmental Science,2005,26(6):119-122. |
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| Authors: | CHU Yong-bao GAO Bao-yu YUE Qin-yan WANG Yan and WANG Shu-guang |
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| Institution: | 1. School of Environmental Science and Engineering, Shandong University, Jinan 250100, China; 2. School of Material and Environmental Science, Qingdong University of Science and Technology, Qingdao 266042, China |
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| Abstract: | The polynuclear Keggin species,Al12AlO4(OH)24(H2O)7+12(Al13),was separated and purified from polyaluminum chloride(PAC) by gel column chromatographic method.The purified Al13 was characterized by Al-Ferron timed complexation spectrophotometry method and ZATESIZER 3000HSA tester compared with PAC and AlCl3.Jar tests were performed to test the coagulation efficiency of the three coagulants in treating synthetic or actual water samples.The results showed that Al13 could be obtained by the column chromatographic method and the content of it could reach about 99%.Compared with PAC and AlCl3,Al13 gives the best results for turbidity,humic acid and color removal,and achieves the highest chargeneutralizing ability.Al13 species is a higher positive-charged and wide pH range application,it is much more steady in hydrolyze process and most effective polymeric Al species in water and wastewater treatment. |
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| Keywords: | Al13 species separation and purification polyaluminum chloride(PAC) column chromatography |
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