Resources Recycling (자원리싸이클링)

The Korean Institute of Resources Recycling (한국자원리싸이클링학회)
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Distribution of Zr(IV) Ion Species in Aqueous Solution

수용액(水溶液)에서 지르코늄이온의 농도분포(濃度分布)

  • Lee, Man-Seung (Department of Advanced Materials Science and Engineering, Mokpo National University) ;
  • Lee, Hwa-Young (Battery Research Center, Korea Institute of Science & Technology)
  • 이만승 (목포대학교 공과대학 신소재공학과) ;
  • 이화영 (한국과학기술연구원 이차전지연구센타)
  • Received : 2011.08.08
  • Accepted : 2011.10.13
  • Published : 2011.12.31
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Abstract

Zirconium is used in nuclear reactors as a structural material due to its excellent corrosion resistance and to low neutron crosssection. Variation in the distribution and solubility of Zr(IV) with solution pH was obtained. Distribution of Zr(IV) containing species in HCl and $HNO_3$ solution was analyzed by considering the complex formation of Zr(IV) species with the anion of the inorganic acid. Bromley interaction parameter between $ZrO^{2+}$ and nitrate ion was estimated by using the reported data on the solvent extraction of Zr(IV) by Cyanex272 from $HNO_3$ solution. This Bromley parameter can be utilized in calculating extraction isotherm of Zr(IV) and in predicting the separation factor between Zr(IV) and Hf(IV).

지르코늄은 우수한 내식성과 낮은 중성자 흡수단면적로 인해 원자로에서 구조재로 사용된다. 수용액의 pH에 따른 지르코늄을 함유한 화학종의 농도분포와 용해도의 변화를 구했다. 염산과 질산용액에서 지르코늄이온의 착물형성반응을 고려하여 무기산의 농도에 따른 농도분포를 해석하였다. 질산용액에서 Cyanex272에 의한 지르코늄 추출에 관한 문헌자료를 이용하여 지르코늄과 질산이온간의 Bromley매개변수를 구했다. 이와 같이 구한 매개변수값은 등온추출곡선의 계산이나 하프늄과의 분리인자 예측에 활용될 수 있다.

Keywords

References

  1. 박평주외, 1980: 비철제련공학, 희중당, pp. 586-594.
  2. 조만형, 이재하, 1995 : 비철금속제련공학, 한양대학교 출판부, pp. 349-352.
  3. Taghizadeh, M., Ghanadi, M. and Zolfonoun, E., 2011: Separation of zirconium and hafnium by solvent extraction using mixture of TBP and Cyanex923, J. of Nuclear Materials, 412, pp. 334-337. https://doi.org/10.1016/j.jnucmat.2011.03.033
  4. Habashi, F., 1997 : Handbook of extractive metallurgy, vol. III, Wiley-VCH, NY, pp.1437-1438.
  5. Saberyan, K. et al., 2010: Solvent extraction of zirconium from zircon leach liquor using triphenylphosphine oxide, Minerals & Metallurgical Processing, 27(3), pp. 129-132.
  6. Reddy, K.J., et al., 2009: Synergistic enhancement and separation of zirconium(IV) and hafnium(IV) with 3- phenyl-4-benzoyl-5-isoxazolone in the presence of crown ethers, Separation Science and Technology, 44, pp. 2022-2040. https://doi.org/10.1080/01496390902885882
  7. Nayl, A.A., El-Nadi, Y.A. and Daoud, J.A., 2009: Extraction and separation of Zr(IV) and Hf(IV) from nitrate medium by some cyanex extractatns, Separation Science and Technology, 44, pp. 2956-2970. https://doi.org/10.1080/01496390903014169
  8. Taghizadeh, M., et al., 2009: Stoichiometric relation for extraction of zirconium and hafnium from acidic nitrate solutions with cyanex272, Hydrometallurgy, 96, pp. 77-80. https://doi.org/10.1016/j.hydromet.2008.08.006
  9. Taghizadeh, M., et al., 2008: Determination of optimum process conditions for the extraction and separation of zirconium and hafnium by solvent extraction, Hydrometallurgy, 90, pp. 115-120. https://doi.org/10.1016/j.hydromet.2007.10.002
  10. Reddy, K.J. et al., 2007: Enhanced extraction and separation of zirconium(IV) and hafnium(IV) with 3- phenyl-4-benzoyl-5-isoxazolone in the presence of various neutral organophosphorus extractants, Radiochim. Acta, 95, pp. 289-295. https://doi.org/10.1524/ract.2007.95.5.289
  11. Lee, H.Y., Kim, S.G. and Oh, J.K., 2004: Stoichiometric relation for extraction of zirconium and hafnium from acidic chloride solutions with versatic acid 10, Hydrometallurgy, 73, pp. 91-97. https://doi.org/10.1016/j.hydromet.2003.08.004
  12. Juang, R.S. and Lo, R.H., 1993: Equilibrium studies of the extraction of zirconium(IV) from sulfuric acid solutions with di(2-ethylhexyl) phosphoric acid, J. Chem. Tech. Biotechnol., 58, pp. 261-269.
  13. Pourbaix, M., 1966 : Atlas of electrochemical equilibrium in aqueous solutions, Pergamon Press, Oxford, pp. 224-229.
  14. Smith, R.M., Martell, A.E., 1974: Critical stability constants volume 4: Inorganic complexes, Plenum Press, NY.
  15. Zemaitis, J.F., et al., 1986: Handbook of aqueous electrolyte thermodynamics, A publication of the Design Institute for Physical Property Data, NY.

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