Copper Recovery from Waste Water of Electronic Industry in a Fluidized Bed Reactor

유동층 반응기에서 전자 공장폐수로부터 동의 회수

  • Lim, Wan-Mook (Department of Chemical Engineering, Chungnam National University) ;
  • Woo, Kwang-Jae (Department of Chemical Engineering, Chungnam National University) ;
  • Cho, Yong-Jun (Department of Chemical Engineering, Chungnam National University) ;
  • Kang, Yong (Department of Chemical Engineering, Chungnam National University) ;
  • Won, Chang-Whan (Department of Metallurgical Engineering, Chungnam National University) ;
  • Kim, Sang-Done (Department of Chemical Engineering, KAIST)
  • 임완묵 (충남대학교 화학공학과) ;
  • 우광재 (충남대학교 화학공학과) ;
  • 조용준 (충남대학교 화학공학과) ;
  • 강용 (충남대학교 화학공학과) ;
  • 원창환 (충남대학교 금속공학과) ;
  • 김상돈 (한국과학기술원 화학공학과)
  • Received : 1997.02.06
  • Accepted : 1997.04.14
  • Published : 1997.06.10

Abstract

Copper recovery from waste water of electronic industry has been conducted effectively in a fluidized bed reactor. Initial concentration of copper in the waste water, liquid flow rate in the reactor, reaction temperature and time and current density between the cathode and anode in the reactor have been selected as operating variables. The effects of operating variables on the recovery of copper have been studied. It has found that the copper resolved in the waste water can be recovered continuously by means of a fluidized bed reactor The recovery of copper decreased with an increase in the initial concentration of copper in the waste water, while it increased with increasing reaction time and current density, however, it exhibited its maximum value with the variations of liquid flow rate and reaction temperature. The optimum reaction condition to maintain the copper recovery around 85% is as follows ; $X_o=3wt%$, $U_L=0.5cm/s$, $T=25^{\circ}C$, $I=7A/dm^2$ and t=2hrs within this experimental condition.

Keywords

Acknowledgement

Supported by : 학술진흥재단

References

  1. Extractive Metallurgy F. H. Harbashi
  2. Korea Patent 92-2809 Y. K. Yoo
  3. Korea Patent 91-18562 I. Y. Lee
  4. Korea Patent 94-7179 B. N. Kim
  5. Metallurgical Transaction B v.24B C. W. Won;Y. Kang;H. Y. sohn
  6. J. Materials Science, to be Published C. W. Won;Y. Kang
  7. Unit Process of Extractive Metalluragy R. D. Pehlke
  8. Metal Trans. A. v.8 J. S. Benjamin;M. J. Bomford
  9. AIChE J. v.28 Y. T. Shah;B. G. Kelkar;S. P. Godbole;W. D. Deckwer
  10. Gas-Liquid-Solid fluidization Engineering L. S. Fan
  11. Mixed Flow Hydrodynamics S. D. Kim;Y. Kang;Cheremisimiff, N.P.(ed.)
  12. Biotech Bioeng. v.37 Y. Kang;L. T. Fan;S. D. Kim
  13. Hwahak Konghak v.32 Y. Kang;B. T. Min;M. H. Ko;S. D. Kim
  14. Chem. Engr. B. Tarmy;M. Chang;C. Coulalglou;P. Panzi
  15. Chem. Eng. Sic. v.48 P. M. wlkinson;A. VanSchayk;J. P. M. Spronken;L. L. Van Dierendonck
  16. J. Chem. Eng. Japan v.24 H. kojima;B. Okumura;A. Nakamura
  17. Chem. Eng. Sci. v.46 M. H. Oyevaar;R. Bos;K. R. Westertern
  18. J. Chem. Technol. Biotechnol. v.63 Y. Kang;J. S. Shim;C. H. Cho;M. J. Chai;K. W. Lee
  19. AIChE J. v.42 Y. Kang;M. H. Ko;S. D. Kim;M. Yashima;L. T. Fan