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金鱼藻对不同程度污染水体的水质净化效果(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2010年04期
Page:
83-86
Column:
研究论文
publishdate:
2010-08-06

Article Info:/Info

Title:
Study on the Hydrilla verticillata’s purification performance on sewage with different pollution levels
Author(s):
WANG Dan ZHANG Yinlong* PANG Bo
College of Forest Resources and Environment, Nanjing Forestry University, Nanjing 210037, China
Keywords:
Hydrilla verticillata eutrophication purification ability chlorophyll
Classification number :
X173
DOI:
10.3969/j.jssn.1000-2006.2010.04.019
Document Code:
A
Abstract:
Hydrilla verticillata growing in Xuanwu lake was selected as the research object to investigate its purification ability for three kinds of eutrophic waters with different pollution levels. The results showed that the purification ability of H.verticillata for polluted waters was obviously higher than that of the blank, and the purge rate of CODcr, TN, and TP in waters existed correlation among them. The upward tendency of nitrogen and phosphorus contents in H.verticillata was the same with the removing effect of nitrogen and phosphorus in polluted waters. The content of chlorophyll in H.verticillata appeared downward tendency in the initial period of testing, but it gradually recovered to original level after a period of time along with purification of water.

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Last Update: 2010-08-06