[1]王天乐,孔 进,刘茂松*.灌木柳对间歇性河流湿地污水中氮和磷的清除作用[J].南京林业大学学报(自然科学版),2019,43(03):200-204.[doi:10.3969/ j.issn.1000-2006.201703096]
 WANG Tianle,KONG Jin,LIU Maosong*.Effects of Salix saposhnikovii on removal efficiency of nitrogen and phosphorus in sewage intermittently running through wetland surface[J].Journal of Nanjing Forestry University(Natural Science Edition),2019,43(03):200-204.[doi:10.3969/ j.issn.1000-2006.201703096]
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灌木柳对间歇性河流湿地污水中氮和磷的清除作用
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
43
期数:
2019年03期
页码:
200-204
栏目:
研究简报
出版日期:
2019-05-15

文章信息/Info

Title:
Effects of Salix saposhnikovii on removal efficiency of nitrogen and phosphorus in sewage intermittently running through wetland surface
文章编号:
1000-2006(2019)03-0200-05
作者:
王天乐1孔 进2刘茂松1*
1. 南京大学生命科学学院,江苏 南京 210023; 2. 山东建筑大学市政与环境学院,山东 济南 250101
Author(s):
WANG Tianle1 KONG Jin2 LIU Maosong1*
1.School of Life Science, Nanjing University, Nanjing 210023, China; 2.School of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan 250101, China
关键词:
灌木柳 间歇性湿地 水体净化
Keywords:
Salix saposhnikovii wetland with intermittent runoff nitrogen phosphorus removal effiviency
分类号:
Q89
DOI:
10.3969/ j.issn.1000-2006.201703096
文献标志码:
A
摘要:
【目的】研究灌木柳对流经间歇性河流湿地的富营养化水体中氮、磷的去除效应。【方法】人工模拟间歇性河流湿地,分别经历了长期积水(持续积水90 d)与涝旱交替(积水45 d后干旱45 d)这两种不同地表环境处理后,分两轮,每轮注入人工配制的富营养化污水72 h后,测定灌木柳对水体的净化效果。【结果】栽种灌木柳的实验组对全氮(TN)、全磷(TP)的去除率均超过80%,对NH+4-N、PO3-4-P的去除率均超过90%,高于对应的无灌木柳空白对照组; 栽种灌木柳的两个实验组之间对水体的净化能力无显著区别(P>0.05); 从净化时效看,灌木柳组对富营养水体中污染物的累积去除率随净化时间增长而升高,而净化效率则逐日降低,单天去除量在每轮的第3天降到最低; 长期积水处理后,灌木柳组前后两轮对TP、TN的去除率无显著差异(P>0.05); 在涝旱处理后,灌木柳组对前后两轮污水中TP和PO3-4-P的去除能力也无显著差异(P>0.05)。【结论】灌木柳能够在3 d内有效降低水体中的氮磷含量,适用于间歇性河流湿地的水体净化。
Abstract:
【Objective】Study the effects of willow trees, Salix saposhnikovii, on the efficiency of nitrogen and phosphorus removal in the eutrophic sewage intermittently running through wetland surfaces.【Method】In this paper,two wetland models were constructed. One model dealt with long-term ponding and the other with alternative ponding and drying.【Result】The results showed that Salix saposhnikovii could remove more than 80% of total N and total P, and more than 90% of NH+4-N and PO3-4-P in the eutrophic water, with higher efficiency than that observed in control groups without willows. The purifying effects were not significantly different(P > 0.05)between willow groups in the two types of wetland models. Considering the influence of hydraulic retention time, longer purifying times resulted in higher accumulative removal rates. As time went on, however, the relative removal rate in a single day reduced each day, to a minimum at the third day after adding sewage. After long-term ponding, the removal rates of total P and total N in the willow groups were not significantly different(P > 0.05)between two rounds of adding sewage. After alternative ponding and drying, the removal rates of TP and PO3-4-P were also not significantly different(P > 0.05)between two rounds of adding sewage. 【Conclusion】 Salix saposhnikovii could effectively reduce remove total phosphorus and total nitrogen in water within three days. It is suitable for water purification in intermittent river wetlands.

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备注/Memo

备注/Memo:
收稿日期:2017-03-27 修回日期:2018-08-14
基金项目:国家水体污染控制与治理科技重大专项(2012ZX07204004)。
第一作者:王天乐(haikui_66@163.com)。*通信作者:刘茂松(msliu@nju.edu.cn),副教授,ORCID(0000-0001-5557-320X)。
更新日期/Last Update: 2019-05-15