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http://dx.doi.org/10.5322/JES.2003.12.4.469

Removal of Pb2+ ion from aqueous solution Using crab shell treated by acid and alkali  

김동석 (대구가톨릭대학교 응용과학부 환경과학전공)
Publication Information
Journal of Environmental Science International / v.12, no.4, 2003 , pp. 469-476 More about this Journal
Abstract
In order to examine the pre-treatment effect of crab shell en Pb$^{2+}$ removal by crab shell in aqueous solution, acid and alkali pre-treated crab shell were used. Electron microscopy techniques such as TEM (transmission electron microscopy) and SEM (scanning electron microscopy), and EDX (energy dispersive X-ray) and FTIR (Fourier transform infrared) spectrometry techniques were used to investigate the process of Pb$^{2+}$ removal by acid and alkali pre-treated crab shell. The Pb$^{2+}$ removal by acid pre-treated crab shell was much lower than that by untreated crab shell because of the decrease of CaCO$_3$ from the crab shell. However, the Pb$^{2+}$removal by alkali pre-treated crab shell increased compared to that by untreated crab shell. The results were confirmed by TEM, SEM, EDX and FTIR.nd FTIR.
Keywords
Crab shell; Acid pre-treatment; Alkali pre-treatment; TEM; SEM; FTIR; EDX;
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Times Cited By KSCI : 2  (Citation Analysis)
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