Preparation and Evaluation of Fe-Al Binary Oxide for Arsenic Removal: Comparative Study with Single Metal Oxides

Title
Preparation and Evaluation of Fe-Al Binary Oxide for Arsenic Removal: Comparative Study with Single Metal Oxides
Authors
Hye-Jin HongWasif Farooq양중석Ji-Won Yang
Keywords
adsorption; arsenic; metal oxide; pH effect; iron-aluminum binary oxide
Issue Date
2010-08
Publisher
Separation science and technology
Citation
VOL 45, NO 12, 1975-1981
Abstract
In this study, Fe-Al binary oxide was synthesized and evaluated for arsenic removal. Due to its large surface area, Fe-Al mixed oxide shows four times higher As(V) and As(III) adsorption capacity than conventional iron oxide. For a comparative study, single metal oxides such as iron oxide and aluminum oxide are also synthesized. The physical and chemical characteristics of the prepared adsorbents are analyzed by SEM, XRD, and BET analyzer. Through the adsorption isotherm and pH effect experiments, it is discovered that Fe-Al binary oxide shows excellent arsenic adsorption capacity compared with single metal oxides.
URI
http://pubs.kist.re.kr/handle/201004/41896
ISSN
1520-5754
Appears in Collections:
KIST Publication > Article
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