| 湿地植物对模拟污水的净化能力研究 |
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| 引用本文： | 祝宇慧,赵国智,李灵 香玉,田光明.湿地植物对模拟污水的净化能力研究[J].农业环境科学学报,2009,28(1). |
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| 作者姓名： | 祝宇慧 赵国智 李灵 香玉 田光明 |
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| 作者单位： | 浙江大学环境与资源学院,浙江杭州,310029 |
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| 基金项目： | 浙江省科技厅重点科技项目 |
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| 摘 要： | 选择了千屈菜、水芹、水葱、黄菖蒲、石菖蒲、香菇草为待试湿地植物,通过静态水培试验,考察了各植物在以氨氮(NH4+-N)为主要氮组分的模拟污水中的生长情况、生理生态学特性,及在不同停留时间下对污水中有机物、N、P的去除率,以期找出不同条件下净化污水的优势植物.结果表明,植物在污水中均能正常生长,对营养物都有一定的吸收能力,对水体有明显的净化效果.其中石菖蒲植株内N、P浓度最高,净化效果较好,当停留时间为8 d时.对NH4+-N和TP的去除率分别为90.52%和92.89%;水芹生长稳定,在较短时间内对N、P均有较好的去除效果;香菇草在停留时间较长的条件下对污染物的去除率较高,当停留时间为8 d时,对NH4+-N和TP的去除率分别为94.90%和93.35%.可见,石菖蒲、水芹和香菇草对营养物质具有较好净化效果,是较理想的湿地植物.
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| 关 键 词： | 湿地植物 富营养化 营养物吸收 去除率 |
Purification Ability of Wetland Plants for Simulated Wastewater |
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| ZHU Yu-hui,ZHAO Guo-zhi,LI Ling-xiang-yu,TIAN Guang-ming.Purification Ability of Wetland Plants for Simulated Wastewater[J].Journal of Agro-Environment Science( J. Agro-Environ. Sci.),2009,28(1). |
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| Authors: | ZHU Yu-hui ZHAO Guo-zhi LI Ling-xiang-yu TIAN Guang-ming |
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| Institution: | College of Environment and Resource Science;Zhejiang University;Hangzhou 310029;China |
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| Abstract: | In this study, six plants: Lythrum salicaria(Ly), Oenanthe javanica(Qe.), Scirpus validus(Sc.), Iris pseudacorus(Ir), Acorus gramineus(Ac.), Hydrocotyle vulgaris(Hy.), were selected and fed by simulated wastewater containing ammonia nitrogen(NH4+ -N)as the main component of nitrogen. The purification ability and bioecological character of tested plants were studied by a static water culture experiment. It was found that all plants could live normally in wastewater and there was apparent purification of nitr... |
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| Keywords: | wetland plants eutrophication nutrient assimilation removal efficiency |
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