| 生态聚磷石对低浓度景观水的除磷研究 |
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| 引用本文： | 曹德平,陈雪初,李春杰,何圣兵,张美兰.生态聚磷石对低浓度景观水的除磷研究[J].环境科学与技术,2008,31(6). |
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| 作者姓名： | 曹德平 陈雪初 李春杰 何圣兵 张美兰 |
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| 作者单位： | 上海交通大学环境学院,上海,200240 |
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| 摘 要： | 研究了新型填料水化硅酸钙对景观水中低浓度磷的去除效果。考察了反应时间、初始磷浓度、投加量对除磷率的影响,同时采用以水化硅酸钙为填料的滤床,研究其实际低浓度景观水中磷去除效果。结果表明,初始磷浓度为0.3mg/L的低浓度模拟水,在投加量为1500mg/L、反应时间为24h时,水化硅酸钙对模拟水中除磷率达到60%以上,针对浓度为0.50mg/L的实际景观水,投加量为800mg/L时,除磷率达到65.0%;动态试验中,水力停留时间为60min、初始磷浓度为0.15～0.3mg/L,运行8d后,过滤床除磷率保持在44%以上。
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| 关 键 词： | 水化硅酸钙 磷 晶析 景观水 |
Study of Calcium Silicate Hydrates to Enhance Phosphorus Removal from Landscape Water |
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| CAO De-ping,CHEN Xue-chu,LI Chun-jie,HE Sheng-bing,ZHANG Mei-lan.Study of Calcium Silicate Hydrates to Enhance Phosphorus Removal from Landscape Water[J].Environmental Science and Technology,2008,31(6). |
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| Authors: | CAO De-ping CHEN Xue-chu LI Chun-jie HE Sheng-bing ZHANG Mei-lan |
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| Abstract: | The objective of the study is to test the phosphorus-removing property of calcium silicate hydrates,a new material potentially suitable for the filter bed as a substrate used in subsurface flow constructed wetlands which are applied to the purification of landscape water and eutrophication control of lakes and reservoirs. |
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| Keywords: | calcium silicate hydrates phosphorus crystallization landscape water |
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