Mn-Fe Layered Double Hydroxides for Adsorption of As(III) and As(V)

Title
Mn-Fe Layered Double Hydroxides for Adsorption of As(III) and As(V)
Authors
Enkhtur OtgonjargalYoung-Soo KimSang-Min ParkKitae Baek양중석
Keywords
adsorption; arsenate; arsenite; LDH; layered double hydroxide
Issue Date
2012-11
Publisher
Separation science and technology
Citation
VOL 47, 2192-2198
Abstract
Arsenic pollution in drinking water or surface water has become a worldwide environmental issue and is a serious threat to human health. In this study, Mn–Fe–CO3 layered double hydroxides (LDHs) were prepared by the co-precipitation method, for the removal of As(III) and As(V) from solutions. The physical and chemical characteristics of LDHs were analyzed by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and scanning electron microscopy (SEM). As(III) and As(V) adsorption capacities and the mechanism of metal removal by LDHs were determined by batch and column experiments. The results indicate that LDHs are novel and excellent adsorbents for arsenic removal.
URI
http://pubs.kist.re.kr/handle/201004/43801
ISSN
01496395
Appears in Collections:
KIST Publication > Article
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