Advanced Water Treatment by Hybrid Process of Multi-channel Ceramic MF and Photocatalyst: Effect of Organic Materials

광촉매 및 다채널 세라믹 정밀여과 혼성공정에 의한 고탁도 원수의 고도정수처리: 유기물의 영향

  • Amarsanaa, Bolor (Department of Environmental Sciences & Biotechnology, Hallym University) ;
  • Park, Jin-Yong (Department of Environmental Sciences & Biotechnology, Hallym University)
  • Received : 2011.12.08
  • Accepted : 2011.12.23
  • Published : 2011.12.20

Abstract

For advanced drinking water treatment of high turbidity water, we used the hybrid process that was composed of photocatalyst packing in space of between outside of multi-channel ceramic microfiltration membrane and membrane module inside. Photocatalyst was polypropylene (PP) beads coated $TiO_2$ powder by CVD (chemical vapor deposition) process. Instead of natural organic matters (NOM) and fine inorganic particles in natural water source, standard NOM solution was prepared with humic acid and kaolin. Water-back-flushing of 10 sec was performed per every period of 10 min to minimize membrane fouling. Resistance of membrane fouling ($R_f$) increased and J decreased as concentration of humic acid changed from 2 mg/L to 10 mg/L, and finally the highest total permeate volume ($V_T$) could be obtained at 2 mg/L. Then, treatment efficiency of turbidity and $UV_{254}$ absorbance were above 96.4% and 78.9%, respectively. As results of treatment portions by membrane filtration, photocatalyst adsorption, and photo-oxidation in (MF), (MF + $TiO_2$), (MF + $TiO_2$ + UV) processes, turbidity was treated little by photocatalyst adsorption, and photo-oxidation. However, treatment portions of $UV_{254}$ absorbance by adsorption (MF + $TiO_2$) and photo-oxidation (MF + $TiO_2$ + UV) at humic acid of 4 mg/L and 6 mg/L were above 9.0, 9.5 and 8.1, 10.9%, respectively.

Keywords

References

  1. A. R. Costa and M. N. Pinho, "Performance and cost estimation of nanofiltration for surface water treatment in drinking water production", Desalination, 196, 55 (2006). https://doi.org/10.1016/j.desal.2005.08.030
  2. L. Fiksdal and T. O. Leiknes, "The effect of coagulation with MF/UF membrane filtration for the removal of viruses". J. Membr. Sci., 279, 364 (2006). https://doi.org/10.1016/j.memsci.2005.12.023
  3. J. Y. Park and S. M. Lee "Effect of Organic Materials in Water Treatment by Hybrid Module of Multi-channel Ceramic Microfiltration and Activated Carbon Adsorption", Korean Membrane J., 11(1), 21 (2009).
  4. J. Y. Park and S. H. Lee "Advanced Water Treatment by Tubular Alumina Ceramic Ultrafiltration: Effect of Periodic Water-back-flushing Period", Korean Membrane J., 11(1), 15 (2009).
  5. J. H. Park, S. Y. Lee, and H. S. Park, "Removal of NOM in a coagulation process enhanced by modified clay", J. Kor. Soc. of Water & Wastewater, 21(1), 31 (2007).
  6. M. H. Cho, C. H. Lee, and S. H. Lee, "Effect of flocculation conditions on membrane permeability in coagulation-microfiltration", Desalination, 191, 386 (2006).
  7. Y. Yoon and R. M. Lueptow, "Removal of organic contaminants by RO and NF membranes", J. Membr. Sci., 261, 76 (2005). https://doi.org/10.1016/j.memsci.2005.03.038
  8. M. R. Teixeira and M. J. Rosa, "The impact of the water background inorganic matrix on the natural organic matter removal by nanofiltration", J. Membr. Sci., 279, 513 (2006). https://doi.org/10.1016/j.memsci.2005.12.045
  9. J. H. Chung, K. H. Choo, and H. S. Park, "Low pressure hybrid membrane processes for drinking water treatment", Membrane Journal, 17(3), 161 (2007).
  10. H. S. Kim, S. Takizawa, and S. Ohgaki, "Application of microfiltration systems coupled with powdered activated carbon to river treatment", Desalination, 202, 271 (2007). https://doi.org/10.1016/j.desal.2005.12.064
  11. S. Mozia and M. Tomaszewska, "Treatment of surface water using hybrid processes-adsorption on PAC and ultrafiltration", Desalination, 162, 23 (2004).
  12. R. H. S. Jansen, J. W. de Rijk, A. Zwijnenburg, M. H. V. Mulder, and M.Wessling, "Hollow fiber membrane contactors -A means to study the reaction kinetics of humic substance ozonation", J. Membr. Sci., 257, 48 (2005). https://doi.org/10.1016/j.memsci.2004.07.038
  13. K. W. Park, D. I. Chang, K. H. Choo, and M. H. Kim, "Use of an integrated photocatalysis/hollow fiber microfiltration system for the removal of trichloroethylene in water", J. Haz. Mater., 152, 183 (2008). https://doi.org/10.1016/j.jhazmat.2007.06.117
  14. Y. T. Lee and J. K. Oh, "Membrane fouling effect with organic-inorganic materials using the membrane separation in drinking water treatment process", Membrane Journal, 13(4), 219 (2003).
  15. M. Heran and S. Elmaleh, "Microfiltration through an inorganic tubular membrane with high frequency retrofiltration", J. Membr. Sci., 188, 181 (2001). https://doi.org/10.1016/S0376-7388(01)00351-9
  16. S. K. Karode, "Unsteady state flux response: a method to determine the nature of the solute and gel layer in membrane filtration", J. Membr. Sci., 188, 9 (2001). https://doi.org/10.1016/S0376-7388(00)00644-X
  17. W. Yuan, A. Kocic, and A. L. Zydney, "Analysis of humic acid fouling during microfiltration using a pore blockage-cake filtration model", J. Membr. Sci., 198, 51 (2002). https://doi.org/10.1016/S0376-7388(01)00622-6
  18. D. B. Mosqueda-Jimenez and P. M. Huck, "Characterization of membrane fouling in drinking water treatment", Desalination, 198, 173 (2006). https://doi.org/10.1016/j.desal.2005.12.025
  19. M. Iieran and S. Elmaleh, "Microfiltration through an inorganic tubular membrane with high frequency retrofiltration", J. Membr. Sci., 188, 181 (2001). https://doi.org/10.1016/S0376-7388(01)00351-9
  20. D. J. Kim, J. Y. Kang, and K. S. Kim, "Preparation of $TiO_{2}$ thin films on glass beads by a rotating plasma reactor", J. Ind. Eng. Chem., 16, 997 (2010). https://doi.org/10.1016/j.jiec.2010.07.005
  21. J. Y. Park, S. J. Choi, and B. R. Park, "Effect of N2-back-flushing in multichannels ceramic microfiltration system for paper wastewater treatment", Desalination, 202, 207 (2007). https://doi.org/10.1016/j.desal.2005.12.056
  22. J. Y. Park and G. S. Lee, "Advanced water treatment of high turbidity source by hybrid process of photocatalyst and ceramic microfiltration: Effect of organic materials in water-back-flushing", Membrane Journal, 21(1), 72 (2011).
  23. G. S. Cong and J. Y. Park, "Advanced water treatment of high turbidity source by hybrid process of ceramic ultrafiltration and photocatalyst: Effect of photo-oxidation and adsorption", Membrane Journal, 21(2), 201 (2011).