Journal of Microbiology and Biotechnology

The Korean Society for Microbiology and Biotechnology (한국미생물·생명공학회)
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Mercury Ion Removal Using a Packed-Bed Column with Granular Aminated Chitosan

  • JEON, CHOONC (Department of Environmental & Applied Chemical Engineering, Kangnung National University)
  • Published : 2005.06.01
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Abstract

This study deals with the removal of mercury species using a packed-bed column with spherical aminated chitosan material. These adsorbents revealed a high adsorption capacity for mercury species. Experiments with feed solutions of 10 ppm Hg dissolved in distilled water showed an excellent removal with a sharp increase of the filter effluent concentration after a total throughput of 900 bed volumes of feed water. Up to $95\%$ desorption was reached by using 3 bed volumes of 0.01 N EDTA solution. EDTA could be recovered by means of sulfuric acid with about $75\%$ efficiency. Almost the same results were obtained in repeated sorption and desorption experiments at identical conditions. The experiments demonstrated that the sorbents possessed practically no sorption capacity for alkaline earth ions ($Ca^{2+}\;and\;Mg^{2+}$). Their influence on the sorption of mercury was negligible. In experiments with spiked tap water of the Karlsruhe Research Centre and a feed mercury concentration of 0.01 mg/l, the breakthrough of Hg was observed only after a total throughput of about 6,000 bed volumes of feed water.

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References

  1. Bolto, B. A. and L. Pawlowski. 1987. Wastewater Treatment by Ion-exchange, pp. 195-202. E.&F.N. SPON, New York
  2. Brooks, C. S. 1991. Metal Recovery from Industrial Waters. Lewis publishers, Chelsea, MI
  3. Hoell, W. H., C. Bartosch, X. Zhao, and S. He. 2002. Elimination of trace heavy metals from drinking water by means of weakly basic anion exchangers. J. Water Supply: Research and Technology-AQUA 51(3): 165-172
  4. Heisen, T. Y. and G. L. Rorrer. 1995. Effects of acylation and crossIinking on the material properties and cadmium ion adsorption capacity of porous chitosan beads. Separ. Sci. Technol. 30(12): 2455-2475 https://doi.org/10.1080/01496399508021395
  5. Jeon, C. and W. H. Hoell. 2003. Chemical modification of chitosan and equilibrium study for mercury ion removal. Water Res. 37: 4770-4780 https://doi.org/10.1016/S0043-1354(03)00431-7
  6. Jha, I. N., L. Iyengar, and A. V. S. Rao. 1988. Removal of cadmium using chitosan. J. Environ. Eng. 114: 962-974 https://doi.org/10.1061/(ASCE)0733-9372(1988)114:4(962)
  7. Kim, Y. H. 1996. Heavy metal removal using chemically modified marine brown alga, Undaria pinnatifida. Ph.D Thesis, Seoul National University
  8. Pradhan, S., S. Sarita, C. R. Lal, and L. P. Dorothy. 1998. Evaluation of metal biosorption efficiency of laboratory grown microcystis under various environmental conditions. J. Microbiol. Biotechnol. 8: 53-60
  9. Pradip, P. K. and M. M. Sharma. 1991. Recovery of heterocyclic amines from dilute aqueous solution waste streams. Ind. Eng. Chem. Res. 30: 1880-1886 https://doi.org/10.1021/ie00056a030
  10. Remmers, P. and K. D. Vorlop. 1992. Production of highly elastic polyvinyl alcohol biocatalyst beads and their use for continuous denitrification, pp. 939-942. In: Proceedings of the De CHEMA Biotechnology Conferences, Vol. 5, VCH, Weinheim
  11. Volesky, B. 1990. Biosorption of Heavy Metals, pp. 11-12. CRC Press, Inc
  12. Yang, T. C. and R. R. Zall. 1984. Absorption of metals by natural polymers generated from seafood processing waters. Ind. Eng. Chem. Prod. Res. Dev. 23: 168-172 https://doi.org/10.1021/i300013a033
  13. Zhao, X., W. H. Hoell, and G. Yun. 2002. Elimination of cadmium trace contaminations from drinking water. Water Res. 36: 851-858 https://doi.org/10.1016/S0043-1354(01)00289-5
  14. Zulfadhly, Z., M. D. Mashitah, and S. Bhatia. 2001. Heavy metals removal in fixed-bed column by the macro fungus Pycnoporus sanguineus. Environ. Poll. 112: 463-470 https://doi.org/10.1016/S0269-7491(00)00136-6
  15. Zuo, G. and M. Muhammed. 1995. Selective binding of mercury to thiourea-based coordinating resins. React. Polym. 27: 187-198 https://doi.org/10.1016/1381-5148(95)00067-P