Exchange Behaviour of Amorphous AlPO4 towards Cu2+ Ions-Reference-Cited by-同舟云学术

Exchange Behaviour of Amorphous AlPO4 towards Cu2+ Ions

Published:2005-02 Issue:1 Volume:23 Page:57-66
ISSN:0263-6174
Container-title:Adsorption Science & Technology
language:en
Short-container-title:Adsorption Science & Technology

Author:

Javid Muhammad¹,Mustafa Syed¹,Zaman Muhammad Iqbal¹,Gul Rana¹

Affiliation:

1. National Centre of Excellence in Physical Chemistry, Peshawar University, Peshawar-25120, Pakistan

Abstract

Sorption studies of Cu2+ ions onto AlPO4 were carried out as a function of pH (3–5) and temperature (303–323 K). The extent of sorption was found to increase with an increase in Cu2+ ion concentration, pH and the temperature of the system. The Kurbatov equation along with a new equation based on the law of mass action were found applicable to the sorption data. The sorption mechanism was found to consist of an exchange between the H+ ions from the exchanger and Cu2+ ions from the aqueous solution. The thermodynamic parameters evaluated showed that the process was endothermic and non-spontaneous in nature. FT-IR spectroscopy was also employed to evaluate the mechanism of Cu2+ ion sorption.

Publisher

Hindawi Limited

Subject

Surfaces and Interfaces,General Chemical Engineering,General Chemistry

Link

http://journals.sagepub.com/doi/pdf/10.1260/0263617053737145

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