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Adsorption of Methylene Blue by Soybean Stover and Rice Hull Derived Biochars Compared to that by Activated Carbon
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 Title & Authors
Adsorption of Methylene Blue by Soybean Stover and Rice Hull Derived Biochars Compared to that by Activated Carbon
Lee, Gi-Bong; Kim, Hyeon-Joo; Park, Soo-Gyeong; Ok, Yong-Sik; Ahn, Johng-Hwa;
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 Abstract
This study investigated the potential use of soybean stover (SS) (0.1-0.5 g/100 mL)and rice hull (RH) (1.5-3.5 g/100 mL) derived biochars for removing methylene blue (100 mg/L) from wastewater compared to activated carbon (AC) (0.1-0.5 g/100 mL). The adsorption equilibrium data were best represented by Langmuir adsorption isotherm. The calculated maximum adsorption capacity was 71.42 mg/g for AC, 30.30 mg/g for SS, and 4.76 mg/g for RH. The adsorption kinetics was found to follow the pseudo-second order kinetics model. The rate constant was 0.0020-0.0065 g/mg.min for AC, 0.0069-0.5787 g/mg.min for SS, and 0.1370-0.3060 for RH. AC and SS biochars showed considerable potential for adsorption.
 Keywords
Activated carbon;Adsorption;Adsorption isotherm;Biochar;Kinetics;Methylene blue;
 Language
Korean
 Cited by
1.
열처리에 의한 왕겨의 특성 변화,김형민;성용주;박영석;신재철;서용교;

펄프종이기술, 2016. vol.48. 6, pp.263-270 crossref(new window)
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