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     Research Journal of Applied Sciences, Engineering and Technology


A Comparative Study on the Adsorption and Desorption of Nitrogen and Phosphorus by Three Matrixes of Eco-River Channel

Yujia Song and Huiqing Liu
Department of Urban and Environment Sciences, Northeast Normal University, Changchun 130024, P.R. China
Research Journal of Applied Sciences, Engineering and Technology  2013  9:2734-2739
http://dx.doi.org/10.19026/rjaset.5.4799  |  © The Author(s) 2013
Received: September 22, 2012  |  Accepted: November 02, 2012  |  Published: March 20, 2013

Abstract

Eco-river channel building is an effective remediation technology for water body. Selecting appropriate matrix material to build eco-river channel can improve its purification capacity on the pollutants. In this paper, we conducted a comparative study on the adsorption capacity of gravel, sand and zeolite on nitrogen and phosphorus and made an initial analysis on its adsorption mechanism. The results show that, Freundlich isotherm equation can better describe the adsorption properties of those three materials, shown as follows: zeolite>gravel> sand. Thus, we should select gravel or zeolite with greater adsorption ability as matrix material to build eco-river channel, for it will not cause secondary pollution for water environment.

Keywords:

Eco-river channel, natural materials, repair, secondary pollution,


References


Competing interests

The authors have no competing interests.

Open Access Policy

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Copyright

The authors have no competing interests.

ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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