| 四种黏土矿物对水体中氮、磷去除效果的研究 |
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| 引用本文： | 王小波,王艳,卢树昌,桂枝,闫晓磊. 四种黏土矿物对水体中氮、磷去除效果的研究[J]. 非金属矿, 2009, 32(1) |
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| 作者姓名： | 王小波 王艳 卢树昌 桂枝 闫晓磊 |
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| 作者单位： | 天津农学院,农学系,天津,300384 |
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| 基金项目： | 天津科技攻关计划培育项目，天津农学院科技研究发展基金 |
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| 摘 要： | 研究了沸石、高岭土、云母粉、蛭石四种黏土矿物时水体中氮磷的去除效果,结果表明:这四种黏土矿物对水体中氮磷都有较快的吸附速率,在2h内都达平衡状态.由Langmuir方程得出沸石对氨态氮的最大饱和吸附量最大为86.2mg/kg,对磷的吸附云母为最大达25.8 mg/kg.Freundlich模拟方程中n值都远小于2,且这两个方程都反映出这四种黏土矿物对氮的去除效果好于对磷的去除效果.在pH值为10时这四种黏土矿物对氮、磷的去除效果都较好.
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| 关 键 词： | 黏土矿物 吸附 去除率 |
Study on Removal Effects of NH_4~+-N and P from Bodies of Water by Four Kinds of Clay Minerals |
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| Wang Xiaobo,Wang Yan,Lu Shuchang,Gui Zhi,Yan Xiaolei. Study on Removal Effects of NH_4~+-N and P from Bodies of Water by Four Kinds of Clay Minerals[J]. Non-metallic Mines, 2009, 32(1) |
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| Authors: | Wang Xiaobo Wang Yan Lu Shuchang Gui Zhi Yan Xiaolei |
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| Affiliation: | Department of Agronomy;Tianjin Agricultural Unirersity;Tianjin 300384 |
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| Abstract: | Removal effects of NH4+-N and P from bodies of water by vermiculite,zeolite,kaolinite,mica were studied.The results showed that the absorption rates of four clay minerals were higher,and the equilibrium states were reached in 2h.In Langmuir equation,the maximum saturated absorption capacity of zeolite to NH4+-N was greatest,that was 86.2mg/kg.Using the same equation,mica had the highest saturated absorption capacity for P,that was 25.8mg/kg.The value of n in Freundlich equation was greatly smaller than 2.Th... |
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| Keywords: | clay minerals adsorption removal efficiency |
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