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Behavior of Phosphorus Adsorption from Aqueous Solutions on Modified Activated Alumina

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Abstract:

In the study, activated alumina was modified by calcium chloride, and after modification the phosphorus removal from aqueous solution increased by 13% or so. Then the activated alumina with and without treatment were subjected to characterization by the methods of the BET and SEM, and the adsorption characteristics of modified activated alumina were further studied at different contact time, pH values, adsorbent dosage levels and initial phosphorus concentration. Moreover, the equilibrium adsorption data for phosphorus were better fitted to Langmuir adsorption isotherm, and it means that the uptake of phosphorus preferably followed the monolayer adsorption process.

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Periodical:

Advanced Materials Research (Volumes 152-153)

Pages:

945-949

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.152-153.945

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Online since:

October 2010

Authors:

Chun Sheng Ding, Ying Long Zou, Fang Ming Ni, Qian Fen Zhu

Keywords:

Behaviour, Eutrophication, Langmuir Adsorption Isotherm, Modified Activated Alumina, Phosphorus Removal

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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