| 5种改性硅酸盐填料对磷的吸附性研究 |
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| 引用本文： | 高镜清,王志斌,鲍可茜,周俊,张瑞芹.5种改性硅酸盐填料对磷的吸附性研究[J].郑州大学学报(理学版),2011,43(2). |
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| 作者姓名： | 高镜清 王志斌 鲍可茜 周俊 张瑞芹 |
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| 作者单位： | 1. 郑州大学化学系环境科学研究院,河南,郑州,450001
2. 华北水利水电学院环境与市政工程学院,河南,郑州,450011 |
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| 基金项目： | 国家外专局国家级重点引智基金资助项目,编号20104100141; 郑州市科技创新团队基金资助项目,编号094SYJH36069 |
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| 摘 要： | 对沸石、膨胀蛭石、瓷砂陶粒、页岩陶粒和黏土陶粒5种硅酸盐填料改性前后对水中磷的吸附性进行了研究,并分析了硅酸盐填料投加量、吸附时间和pH等因素对磷去除率的影响.结果表明:改性前,膨胀蛭石对磷的吸附性最好,瓷砂陶粒次之,黏土陶粒、页岩陶粒和沸石较差.经过镁盐和铝盐改性后,改性膨胀蛭石除磷效果最好,其最佳使用条件为:填料用量10 g/L,pH 5～9,吸附时间60 min,此时磷去除率可达97%以上.
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| 关 键 词： | 硅酸盐填料 磷 改性 吸附 等温式 |
Adsorption Capability for Phosphates with Five Modified Silicate Fillings |
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| GAO Jing-qing
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WANG Zhi-bin
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BAO Ke-qian
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ZHOU Jun
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ZHANG Rui-qin.Adsorption Capability for Phosphates with Five Modified Silicate Fillings[J].Journal of Zhengzhou University:Natural Science Edition,2011,43(2). |
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| Authors: | GAO Jing-qing WANG Zhi-bin BAO Ke-qian ZHOU Jun ZHANG Rui-qin |
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| Institution: | GAO Jing-qing1,WANG Zhi-bin2,BAO Ke-qian1,ZHOU Jun1,ZHANG Rui-qin1(1.Research Institue of Environmental Sciences,Department of Chemistry,Zhengzhou University,Zhengzhou 450001,China,2.Institute of Environmental & Municipal Engineering,North China University of Water Resources and Electric Power,Zhengzhou 450011,China) |
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| Abstract: | Five raw and modified silicate fillings' adsorption capabilities for phosphates with zeolite,expanded vermiculite,porcelain ceramists,shale ceramists and clay ceramists were analyzed.And the effects of solution pH,the dosage of modified fillings and adsorption time on adsorption capacity of phosphates were observed.The experimental result showed that there were significant differences between expanded vermiculite and other fillings,and the adsorption capacity in the order were expanded vermiculite,porcelain... |
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| Keywords: | silicate filling phosphate modification adsorption isotherm |
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