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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2010.12
- 수록면
- 207 - 213 (7page)
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This study investigated the potential of using bottom ash to be used as an adsorbent for the removal of lead (Pb) from aqueous solutions. The physical and chemical characteristics of bottom ash were determined, with a series of leaching and adsorption experiments performed to evaluate the suitability of bottom ash as an adsorbent material. Trace elements were present, such as silicon and aluminum, indicating that the material had a good adsorption capacity. All heavy metals leached during the Korea standard leaching test (KSLT) passed the regulatory limits for safe disposal, while batch adsorption experiments showed that bottom ash was capable of adsorbing Pb (experimental q(e) = 0.05 mg/g), wherein the adsorption rate increased with decreasing particle size. The adsorption data were then fitted to kinetic models, including Lagergren first-order and Pseudo-second order, as well as the Elovich equation, and isotherm models, including the Langmuir, Freundlich and Dubinin-Radushkevich isotherms. The results showed that pseudo-second order kinetics was the most suitable model for describing the kinetic adsorption, while the Freundlich isotherm best represented the equilibrium sorption onto bottom ash. The maximum sorption capacity and energy of adsorption of bottom ash were 0.315 mg/g and 7.01 KJ/mol, respectively.
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참고문헌 (17)
참고문헌 신청
1. [인터넷자원] - Ministry of Environment (MOE) / / Management of drinking water quality [Internet]. Gwacheon: MOE; c2009 [cited 2010 Oct 10]
2. [학술지(정기간행물)] - Ahmad A / 2009 / Removal of Cu(II) and Pb(II) ions from aqueous solutions by adsorption on sawdust of Meranti wood / Desalination 247 : 636 ~ 646
3. [학술지(정기간행물)] - 정재관 / 2005 / ADSORPTION OF Pb(Ⅱ) ON METAL OXIDE PARTICLES CONTAINING ALUMINUM AND TITANIUM IN AQUEOUS SOLUTIONS / Environmental Engineering Research 10 (2) : 45 ~ 53
4. [학술지(정기간행물)] - Aluyor EO / 2009 / Equilibrium sorption isotherm for lead (Pb) ions on hydrogen peroxide modified rice hulls / Int. J. Phys. Sci. 4 : 423 ~ 427
5. [학술지(정기간행물)] - Gueu S / 2007 / Kinetics and thermodynamics study of lead adsorption on to activated carbons from coconut and seed hull of the palm tree / Int. J. Environ. Sci. Tech. 4 : 11 ~ 17
2. [학술지(정기간행물)] - Ahmad A / 2009 / Removal of Cu(II) and Pb(II) ions from aqueous solutions by adsorption on sawdust of Meranti wood / Desalination 247 : 636 ~ 646
3. [학술지(정기간행물)] - 정재관 / 2005 / ADSORPTION OF Pb(Ⅱ) ON METAL OXIDE PARTICLES CONTAINING ALUMINUM AND TITANIUM IN AQUEOUS SOLUTIONS / Environmental Engineering Research 10 (2) : 45 ~ 53
4. [학술지(정기간행물)] - Aluyor EO / 2009 / Equilibrium sorption isotherm for lead (Pb) ions on hydrogen peroxide modified rice hulls / Int. J. Phys. Sci. 4 : 423 ~ 427
5. [학술지(정기간행물)] - Gueu S / 2007 / Kinetics and thermodynamics study of lead adsorption on to activated carbons from coconut and seed hull of the palm tree / Int. J. Environ. Sci. Tech. 4 : 11 ~ 17
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UCI(KEPA) : I410-ECN-0101-2017-539-001547734