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http://dx.doi.org/10.15681/KSWE.2011.27.4.12

Adsorption Characteristics of Arsenic using the Recycled Aluminium Oxide  

Min, Kyung-Chul (Department of Environmental Engineering, Kwandong University)
Kim, Won-Gee (Department of Environmental Engineering, Kwandong University)
Lee, Seung-Mok (Department of Environmental Engineering, Kwandong University)
Kim, Keun-Han (Sunjin Environmental Co.Ltd)
Lee, Hee-Yong (Sunjin Environmental Co.Ltd)
Yang, Jae-Kyu (Division of General Education, Kwangwoon University)
Park, Youn-Jong (SK Engineering and Construction)
Publication Information
Journal of Korean Society on Water Environment / v.27, no.4, 2011 , pp. 486-490 More about this Journal
Abstract
As(V) adsorption on aluminum oxide powder which was recycled from industrial wastes containing aluminum hydroxide was evaluated. Aluminum oxide powder in this study was prepared by calcinating aluminum hydroxide wastes at$550^{\circ}C$. Spectroscopic analysis indicated that the aluminum hydroxide wastes were changed to aluminum oxide by calcination. Arsenic adsorption isotherm was conducted with variation of ionic strength and multiple-ion systems using Ca(II) and Cu(II). As(V) removal showed typical anionic adsorption characteristics that the removal efficiency decreased with increasing pH in single As(V) system as well as in binary and ternary system. More than 80% of As(V) at an initial concentration of $5{\times}10^{-5}$ M was removed from aluminum oxide powder in As(V) single system. The effect of ionic strength on As(V) adsorption was negligible, which indicated the strong bonding between aluminum oxide powder and As(V). The removal efficiency of As(V) was higher in a binary system with Cu(II) than in a binary system with Ca(II).
Keywords
Adsorption; Aluminum oxide; Arsenic; Multiple-ion;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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