Browse > Article
http://dx.doi.org/10.5012/jkcs.2017.61.5.238

Study on Adsorption of Pb and Cd in Water Using Carbonized Water Treatment Sludge  

Kim, Younjung (Center for Instrumental Analysis, Andong National University)
Kim, Daeik (School of Electrical, Electronic Communication, and Computer Engineering, Chonnam National University)
Choi, Jong-Ha (Department of Applied Chemistry, Andong National University)
Hong, Yong Pyo (Department of Applied Chemistry, Andong National University)
Ryoo, Keon Sang (Department of Applied Chemistry, Andong National University)
Publication Information
Journal of the Korean Chemical Society / v.61, no.5, 2017 , pp. 238-243 More about this Journal
Abstract
In this study, water treatment sludge carbonized with $400^{\circ}C$ was tested as an adsorbent for the removal of Pb and Cd in water. The carbonized sludge was characterized by thermo-gravimetric analysis (TGA), scanning electron microscopy (SEM), X-ray fluorescence spectrometry (XRF), and surface area analysis. Carbonized sludge exhibited much higher specific surface area and total pore volume than water treatment sludge itself. In batch-type adsorption process, carbonized sludge represented better adsorption performance for Pb than Cd, achieving 90~98% at the concentrations conducted in the experiments. Equilibrium data of adsorption were analyzed using the Freundlich and Langmuir isotherm models. It was seen that both Freundlich and Langmuir isotherms have correlation coefficient $R^2$ value larger than 0.95. The results of studies indicated that carbonized water treatment sludge by heat treatment could be used as an efficient adsorbent for the removal of Pb and Cd from water.
Keywords
Carbonized water treatment sludge; Adsorption; Isotherm; Pb; Cd;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
1 Lee, S. H.; Ha, Y. G. J. Nakdong. Environ. Res. Ins. 2002, 7, 147.
2 Lee, G. H. Bull. Dongnam Health College 2002, 20, 139.
3 Suh, J. I.; Yoon, H. S.; An, J. I. J. Kor. Soc. Wat. Sci. Technol. 2012, 20, 39.
4 Bae, J.; Park, N.; Lee, C. H.; Park, Y.; Jeon, J. Kor. Chem. Eng. Res. 2013, 51, 352.   DOI
5 Lee, C.; Han, S.; Park, Y. Ins. Environ. Studies (Daejeon University) 2012, 16, 39.
6 Kho, J.; Jeong, A.; Moon, Y.; Kim, D. J. Kor. Ind. Eng. Chem. 2000, 11, 1.
7 Mortula, M. M.; Graham, A. G. J. Environ. Sci. Health Part A 2007, 42, 1685.   DOI
8 Whang, H. U.; Kim, J. H.; Kim, Y. J. Kor. Soc. Environ. Eng. 2009, 1, 217.
9 Jeong, Y. I.; Jang, Y. C.; Choi, B. I. Kor. Soc. Marine Environment and Safety 2006, 12, 107.
10 Xu, G. R.; Yan, Z. C.; Wang, Y. C.; Wang, N. J. Hazard. Mater. 2008, 161, 663.
11 Kim, J. M.; Kim, M. K.; Lee, J. M.; Lee, C. H.; Lee, S. W.; Choi, D. J.; La, J. M. Korea Patent 10-1041094, 2011.
12 Suh, J. I. J. Wat. Treat. 2015, 23, 51.   DOI
13 Zhou, Y.; Haynes, R. J. J. Water Air Soil Pollut. 2011, 215, 631.   DOI