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http://dx.doi.org/10.4491/KSEE.2017.39.5.303

Comparison of Steel Slag and Activated Carbon for Phosphate Removal from Aqueous Solution by Adsorption  

Lee, Seung-Han (Department of Environmental Engineering, Kangwon National University)
Kim, Chang-Kyu (Department of Environmental Engineering, Kangwon National University)
Park, Jung-Geun (Department of Environmental Engineering, Kangwon National University)
Choi, Dong-Kwang (Department of Environmental Engineering, Kangwon National University)
Ahn, Johng-Hwa (Department of Environmental Engineering, Kangwon National University)
Publication Information
Journal of Korean Society of Environmental Engineers / v.39, no.5, 2017 , pp. 303-309 More about this Journal
Abstract
This study investigated the potential use of steel slag (SS) (0.5~2.0 g/200 mL) for the removal of phosphate from wastewater compared with activated carbon (AC) (3.0~6.0 g/200 mL). The adsorption equilibrium data were best represented by Langmuir isotherm and its calculated maximum adsorption capacity was 91 mg/g for SS, 27 mg/g for AC. The adsorption kinetics was found to follow the pseudo-second order kinetics model and its rate constant was $0.0232{\sim}0.1357g/mg{\cdot}min$ for SS, $0.0247{\sim}0.1221g/mg{\cdot}min$ for AC. The overall uptake for the SS and AC was maximum at pH 2. Therefore, it can be concluded that steel slag could play an effective role in reducing phosphate concentration compared with activated carbon.
Keywords
Activated Carbon; Adsorption Isotherm Model; Kinetics; Phosphorus; Steel Slag;
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Times Cited By KSCI : 4  (Citation Analysis)
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1 Na, C. K., Han, M. Y. and Park, H. J., "Applicability of theoretical adsorption models for studies on adsorption properties of adsorbents(1)," J. Korean Soc. Environ. Eng., 33(8), 606-616(2011).   DOI
2 Langmuir, I., "The adsorption of gases on plane surface of glass, mica and platinum," J. Am. Chem. Soc., 40, 1361-1403(1918).   DOI
3 Ho, Y. S. and Mckay, G., "Pseudo-second order model for sorption processes," Process Biochem., 34, 451-465(1999).   DOI
4 Simonin, J. P., "On the comparison of pseudo-first order and pseudo-second order rate laws in the modeling of adsorption kinetics," Chem. Eng. J., 300, 254-263(2016).   DOI
5 Xue, Y., Houa, H. and Zhu, S., "Characteristics and mechanisms of phosphate adsorption onto basic oxygen furnace slag," J. Hazard. Mater., 162, 973-980(2009).   DOI
6 Kim, E. Ho., Yim, S. B., Jung, H. C. amd Lee, E. J., "Hydroxyapatite crystallization from a highly concentrated phosphate solution using powdered converter slag as a seed material," J. Hazard. Mater., B136, 690-697(2006).
7 Song, M. Y., Jeon, M. S., Lee, H. D. and Jeong, B. S., "A study on the traveling route and control method of eutrophication sources in Han river basin," Gyeonggi Research Institute(2015).
8 Martin, M. J., Artola, A., Balaguer, M. D. and Rigola, M., "Activated carbons developed from surplus sewage sludge for the removal of dyes from dilute aqueous solutions," Chem. Eng. J., 94, 231-239(2003).   DOI
9 Lee, S. H. and Jang, J. H., "Preliminary study on the development of phosphorous removal process by converter and furnace slags," J. Korean Soc. Water Wastewater, 18(2), 137-144(2004).
10 Kim, H. Y. and Kim, D. S., "The adsorption treatment features of wastewater containing alizarin red S dye employing granular activated carbon as adsorbent," J. Korean Soc. Water Sci. Technol., 22(5), 119-130(2014).
11 Park, J. H., Kim, J. H., Jung, J., Jun, S. J. and Park, H. B., "The application plans of slag to prevent non-point source pollutants flowing into the retention pond," J. Wetlands Res., 12(2), 67-73(2010).
12 Statistics Korea Home Page, http://kostat.go.kr(2014).
13 APHA. Standard method for the examination of water & wastewater, 22nd ed, American Public Health Association, Washington D. C., USA(2012).
14 Xiong, J., Hea, Z., Mahmooda, Q., Liu, D., Yang, X. and Islam, E., "Phosphate removal from solution using steel slag through magnetic separation," J. Hazard. Mater., 152, 211-215(2008).   DOI
15 Lee, S. H. and Hwang, J. J., "Phosphate removal efficiency and the removal rate constant by particle sizes of converter slag and conditions of the wastewater," J. Korean Soc. Water Wastewater, 26(6), 841-849(2012).   DOI
16 Ragheb, S. M., "Phosphate removal from aqueous solution using slag and fly ash," HBRC J., 9(3), 270-275(2013).   DOI