NDLI: Purification of Pollutants by Ecological Floating-Bed Process for Heavily Polluted River

Content Provider	IEEE Xplore Digital Library
Author	Xiaoyi Xu Guyuan Luo Jianfeng Zheng Lianghua Han
Copyright Year	2010
Abstract	This paper mainly studied the characteristics of pollutants removal by ecological floating-bed for Linjiang River which was one of the heavily polluted branch rivers in Three-Gorges reservoir area. Ecological floating-bed employed ceramisite as the substrate. The removal effects of Total Nitrogen (TN), Total Phosphorus (TP) and Chemical Oxygen Demand (COD) and purification characteristics of floating-bed with two plants of canna indica and cyperus alternifolius were studied. The results showed that the plants grew well and floating-bed had good purification effects on heavily polluted water. During the spring and summer experiments, the average removal loadings of TN of canna indica and cyperus alternifolius were 1.01(g m-2d -1) and 0.84(g m-2•d -1) respectively; and those of TP were 0.179(gm-2•d-1) and 0.158(g m-2•d-1) respectively. During the autumn and winter experiments, the average removal loadings of the plants for TN and TP decreased to some extent. The canna indica floating-bed system had a good adaptability to heavily polluted river relatively under the experimental conditions. Absorption of plants was one of the important ways to remove nitrogen and phosphorus in the floating-bed system from the water. The contribution of absorption rate of the stems and leaves were higher than the roots of the plants in the floating-bed system.
Starting Page	1
Ending Page	4
File Size	275178
Page Count	4
File Format	PDF
ISBN	9781424447121
ISSN	21517622
DOI	10.1109/ICBBE.2010.5515612
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-18
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Temperature Purification Absorption Environmentally friendly manufacturing techniques Reservoirs Water pollution Rivers Nitrogen Industrial pollution Testing
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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