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[1]李昌,李为,张凤银,等.低温下豆瓣菜(Nasturtium officinale R. Br.)浮床对池塘废水的净化效果[J].应用与环境生物学报,2017,23(03):420-426.[doi:2016.06015]
 LI Chang,LI Wei,ZHANG Fengyin,et al.Pond effluent purification by Nasturtium officinale R. Br. floating bed at low temperature[J].Chinese Journal of Applied & Environmental Biology,2017,23(03):420-426.[doi:2016.06015]
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低温下豆瓣菜(Nasturtium officinale R. Br.)浮床对池塘废水的净化效果()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
23卷
期数:
2017年03期
页码:
420-426
栏目:
研究论文
出版日期:
2017-06-25

文章信息/Info

Title:
Pond effluent purification by Nasturtium officinale R. Br. floating bed at low temperature
作者:
李昌李为张凤银张堂林刘家寿李钟杰
1中国科学院水生生物研究所,淡水生态与生物技术国家重点实验室 武汉 430072 2中国科学院大学 北京 100049 3江汉大学生命科学学院 武汉 430056
Author(s):
LI Chang LI Wei ZHANG Fengyin ZHANG Tanglin LIU Jiashou1 & LI Zhongjie
1State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China 2University of Chinese Academy of Sciences, Beijing 100049, China 3College of Life Sciences, Jianghan University, Wuhan 430056, China
关键词:
低温生物量豆瓣菜浮床池塘废水净化
Keywords:
low temperature biomass Nasturium officinale R. Br. floating bed pond effluent purification
分类号:
X703 : X173
DOI:
2016.06015
摘要:
池塘常在冬季排水清塘,导致大量富营养化废水进入周围环境造成污染,因此研究低温下净化养殖废水对于保护环境、实现渔业可持续发展具有重要意义. 采用室内模拟试验比较低温条件下(3.3-17.2 ℃)不同生物量的豆瓣菜浮床对池塘养殖废水中氮磷营养盐、高锰酸盐指数和叶绿素a的去除效果. 试验共设置5个梯度水平,包括1个对照组(0 g/m2)和4个处理组(100、200、300、400 g/m2). 结果显示豆瓣菜浮床能够降低水体pH值、溶解氧、电导率、氮磷营养盐浓度、高锰酸盐指数和叶绿素a浓度. 试验第28和35天处理组4总氮去除率显著高于其他组(P < 0.05). NH4-N去除率呈现先上升后下降的趋势,各组NH4-N去除率间没有显著差异. 第 7和 14天各处理组的NO2-N去除率均显著高于对照组(P < 0.05),且随着生物量的增加去除速率逐渐升高. 第7天处理组1-3的NO3-N去除率显著高于对照组(P < 0.05),但试验后期各组NO3-N去除率间无显著差异. 第7天处理组2和处理组4中总磷去除率显著高于对照组(P < 0.05),后期各组间无显著差异. 第21天对照组高锰酸盐指数去除率显著高于处理组3和4(P < 0.05),但与处理组1和2没有显著差异. 第21天处理组2的叶绿素a去除率显著高于其他各组(P < 0.05). 综上认为豆瓣菜可作为低温条件下净化池塘养殖废水的浮床植物,综合考虑成本和净化效率其种植生物量为200 g/m2较适宜. (图5 表1 参22)
Abstract:
To reduce pollution of aquatic environments, methods of purifying pond effluent must be known. There has been little research on purifying eutrophic water using a floating bed of aquatic plants under the condition of low temperature water. A laboratory experiment was conducted to study the effects of nitrogen and phosphorus nutrients, permanganate index, and chlorophyll a purification by different biomasses of Nasturtium officinale R. Br. floating beds at low temperatures (3.3–17.2 ℃). The experiment was designed with 5 biomass levels, including 1 control (0 g/m2) and 4 treatments (treatments 1–4, 100, 200, 300, and 400 g/m2, respectively). Results indicated that the N. officinale R. Br. floating beds could reduce pH, dissolved oxygen, electrical conductivity, nitrogen and phosphorus nutrient concentrations, permanganate index, and chlorophyll a concentration. On the 28th day and the 35th day, the TN removal rate of treatment 4 was significantly higher than those of the other treatments (P < 0.05). The NH4-N removal rates presented a downward trend after first rising, and the NH4-N removal rates were not significantly different among all groups. On the 7th day and the 14th day, the NO2-N removal rates of all treatment groups were significantly higher than those of control (P < 0.05) and increased gradually with the increase of N. officinale R. Br. biomass. On the 7th day, the NO3-N removal rates of treatments 1–3 were significantly higher than that of control (P < 0.05). However, there were no significant differences among all treatments on later days. On the 7th day, the TP removal rates of treatment 2 and treatment 4 were significantly higher than that of control (P < 0.05), and there were no significant differences among all groups on later days. On the 21st day, the permanganate index removal rate of control was significantly higher than those of treatments 3 and 4 (P < 0.05), but there were no significant differences among control and treatments 1 and 2. On the 21st day, the chlorophyll a removal rate of treatment 2 was significantly higher than those of the other treatments (P < 0.05). In conclusion, N. officinale R. Br. can purify pond effluent at low temperatures by planting as a floating bed. Considering the cost of floating beds and their purification efficiency, the most suitable biomass of N. officinale R. Br. was 200 g/m2.

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更新日期/Last Update: 2017-06-25