Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Adsorption Kinetics of Cupper and Zinc Ion with Na-A Zeolite Synthesized by Coal Fly Ash

석탄 비산재로 합성한 Na-A형 제올라이트에 의한 구리와 아연 이온의 동역학적 흡착 특성

  • Lee, Chang-Han (Department of Environmental Administration, Catholic University of Pusan)
  • 이창한 (부산가톨릭대학교 환경행정학과)
  • Received : 2011.10.06
  • Accepted : 2011.12.06
  • Published : 2011.12.31
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Abstract

The adsorption performance of cupper and zinc ions($Cu^{2+}$ and $Zn^{2+}$) in aqueous solution was investigated by an adsorption process on reagent grade Na-A zeolite(Z-WK) and Na-A zeolite (Z-C1) prepared from coal fly ash. Z-C1 was synthesized by a fusion method with coal fly ash from a thermal power plant. Batch adsorption experiment with Z-C1 was employed to study the kinetics and equilibrium parameters such as initial metal ions concentration and adsorption time of the solution on the adsorption process. Adsorption rate of metal ions occurred rapidly and adsorption equilibrium reached at less than 120 minutes. The kinetics data of $Cu^{2+}$ and $Zn^{2+}$ ions were well fitted by a pseudo-second-order kinetics model more than a pseudo-first-order kinetics model. The equilibrium data were well fitted by a Langmuir model and this result showed $Cu^{2+}$ and $Zn^{2+}$ adsorption on Z-C1 would be occupied by a monolayer adsorption. The maximum adsorption capacity($q_{max}$) by the Langmuir model was determined as $Cu^{2+}$ 99.8 mg/g and $Zn^{2+}$ 108.3 mg/g, respectively. It appeared that the synthetic zeolite, Z-C1, has potential application as absorbents in metal ion recovery and mining wastewater.

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References

  1. 전학제, 1995, 촉매개론, 3판, 한림원, 14-42.
  2. Ahmaruzzaman, M., 2010, A review on the utilization of fly ash, Prog. in Ener. and Com. Sci., 36(3), 327-363. https://doi.org/10.1016/j.pecs.2009.11.003
  3. Apiratikul, R., Pavasant, P., 2008, Sorption of $Cu^{2+},\;Cd^{2+},\;and\;Pb^{2+}$ using modified zeolite from coal fly ash, Chem. Eng. J., 144(2), 245-258. https://doi.org/10.1016/j.cej.2008.01.038
  4. Hsu, T. C., Yu, C. C, Yeh, C. M., 2008, Adsorption of $Cu^{2+}$ from water using raw and modified coal fly ashes, Fuel, 87(7), 1355-1359. https://doi.org/10.1016/j.fuel.2007.05.055
  5. Hui, K. S., Chao, C. Y. H., Kot, S. C., 2005, Removal of mixed heavy metal ions in wastewater by zeolite 4A and residual products from recycled coal fly ash, J. of Hazar. Mat., 127(1-3), 89-101. https://doi.org/10.1016/j.jhazmat.2005.06.027
  6. Hui, K. S., Chao, C. Y. H., 2006, Pure, single phase, high crystalline, chamfered-edge zeolite 4A synthesized from coal fly ash for use as a builder in detergents, J. of Hazar. Mat., 137(1), 401-409. https://doi.org/10.1016/j.jhazmat.2006.02.014
  7. Nascimento, M., Soares, P. S. M, Souza, V. P, 2009, Adsorption of heavy metal cations using coal fly ash modified by hydrothermal method, Fuel, 88(9), 1714-1719. https://doi.org/10.1016/j.fuel.2009.01.007
  8. Motsi, T., Rowson, N. A., Simmons, M. J. H., 2009, Adsorption of heavy metals from acid mine drainage by natural zeolite, Int. J. Minr. Pro., 92(1-2), 42-48. https://doi.org/10.1016/j.minpro.2009.02.005
  9. Qiu, W., Zheng, Y., 2009, Removal of lead, copper, nickel, cobalt, and zinc from water by a cancrinitetype zeolite synthesized from fly ash, Chem. Eng. J., 145(3), 483-488. https://doi.org/10.1016/j.cej.2008.05.001
  10. Treacy, M. M. J., Higgins, J. B., 2001, Collection ofSimulated XRD Powder Patterns for Zeolites 4 edition, ELSEVIER, 214-217.
  11. Wang, S., Soudi, M., Li, L., Zhub, Z. H., 2006, Coal ash conversion into effective adsorbents for removal of heavy metals and dyes from wastewater, J. of Hazar. Mat., 133(1-3), 243-251. https://doi.org/10.1016/j.jhazmat.2005.10.034
  12. Wang, S., Wu, H., 2006, Environmental-benign utilisation of fly ash as low-cost adsorbents, J. of Hazar. Mat., 136(3), 482-501. https://doi.org/10.1016/j.jhazmat.2006.01.067