| 硫酸铝渣制备聚硅酸铝铁絮凝剂及应用性能研究 |
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| 引用本文： | 陈巧平,谢鸿芳,吴挡兰,肖艳春,陈双,陈震.硫酸铝渣制备聚硅酸铝铁絮凝剂及应用性能研究[J].广州化学,2011,36(4):1-9. |
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| 作者姓名： | 陈巧平 谢鸿芳 吴挡兰 肖艳春 陈双 陈震 |
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| 作者单位： | 1. 宁德师范学院化学与环境科学系,福建宁德,352100
2. 福建师范大学化学与材料学院,福建福州,350007 |
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| 基金项目： | 宁德市科技局项目，福建省教育厅B类科技项目，宁德师范学院海西科技项目 |
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| 摘 要： | 以硫酸铝渣为原料，研制出了一系列不同A1／Fe／Si物质的量比的聚硅酸铝铁絮凝剂（简称PAFsc）。考察了PAFSC的混凝、除浊、脱色等性能，并研究了A1／Fe／Si物质的量比、pH、投药量等因素对PAFSC性能的影响。处理模拟浊水时，当n（A1）／n（Fe）=2．0～4．0，n（M）／n（SiO2）=0．7～1．3时...
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| 关 键 词： | 硫酸铝渣 聚硅酸铝铁 混凝 絮凝剂 |
Preparation of Polysilic Aluminum Ferric Flocculants from Bauxite Sledge and Its Flocculating Effects |
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| CHEN Qiao-ping,XIE Hong-fang,WU Dang-lan,XIAO Yan-chun,CHEN Shuang,CHEN Zhen.Preparation of Polysilic Aluminum Ferric Flocculants from Bauxite Sledge and Its Flocculating Effects[J].Guangzhou Chemistry,2011,36(4):1-9. |
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| Authors: | CHEN Qiao-ping XIE Hong-fang WU Dang-lan XIAO Yan-chun CHEN Shuang CHEN Zhen |
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| Institution: | 1,2*(1.Fujian Ningde Teachers College,Ningde 352100,China;2.College of Chemistry and Materials Science,Fujian Normal University,Fuzhou 350007,China) |
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| Abstract: | The polysilic aluminum ferric flocculants were prepared from bauxite sledge. Its flocculating effects were studied by coagulating test. The properties of the flocculant, including color removal rate and turbidity removal rate were discussed. The effect of A1/Fe/Si, pH and the dosage were presented. The turbidity removal rate was above 80% in n（A1）/n（Fe）=2.0-4.0, n（M）/n（Si02）=0.7- 1.3 for treatment of the mould turbidity water. The decolorization rate was above 80% in condition that the pH was 7-9 and flocculant was 1.5 mL/L for treatment of the simulated dyingwaste water. During the n（M）/n（SiO2）= 1, n（A1）/n（Fe）=2.0-3.0 in the polysilic aluminum ferric flocculants, the decolorization rate reached 90% for treatment of the industrial dyingwaste water. |
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| Keywords: | bauxite sledge polysilic aluminum ferric coagulation flocculant |
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