Journal of Korean Society of Environmental Engineers (대한환경공학회지)

Korean Society of Environmental Engineers (대한환경공학회)
권호 표지
DOI QR코드

DOI QR Code

Wastewater Treatment Using Ultrafiltration (UF) and Reverse Osmosis (RO) Process

침지형 한외여과 막공법과 역삼투 공법을 이용한 하.폐수처리

  • Choi, H.J. (Department of Environment & Health, Kwandong University) ;
  • Park, Y.J. (SK Engineering and Construction) ;
  • Lee, S.M. (Department of Environment & Health, Kwandong University)
  • Received : 2012.03.15
  • Accepted : 2012.10.29
  • Published : 2012.10.30
Download PDF
⟨ Previous Next ⟩

Abstract

One of alternatives to solve the global water shortages is the reuse of wastewater. The aim of this study was to evaluate whether it can be reused for industrial water from wastewater in "A" City with ultrafiltration (UF) and reverse osmosis (RO) process. The results obtained in this study were that the inorganics such as Na, Mg, Cl, Ca, Mn, $PO_4$, $SO_4$, etc. were removed with high treatment efficiency (more than 97%), respectively. However, the removal of $NH_4$-N, TN, $NO_3$-N, BOD was found to be 35.71%, 85.21%, 87.05% and 56%, respectively. The removal efficiency of nutrients was relatively low compared to other metal ions. Despite low nutrients removal, the treated wastewater is recommended to reuse, because the nutrient contents in influent from the secondary wastewater treatment plant were small amount. In addition, all other metrics in the wastewater were found to be lower amount than wastewater reuse criteria. Therefore, the wastewater treated by UF-RO could be sufficient to reuse for industrial waster.

세계적인 물부족을 해결하는 대안 중의 하나는 하수 재이용이다. 본 연구는 A시의 하수를 UF와 RO 공법으로 처리하여 인근지역의 공업용수로 재사용이 가능한지의 여부를 확인하고자 하였다. A시의 하수를 UF와 RO로 처리한 결과 Na, Mg, Cl, Ca, Mn, $PO_4$, $SO_4$ 등은 원수 대비 97% 이상의 높은 처리 효율을 보였으나, $NH_4$-N, TN, $NO_3$-N, BOD등의 영양염류는 각각 35.71%, 85.21%, 87.05% 그리고 56%로 상대적으로 낮은 제거율을 보였다. 그러나 영양염류는 원수 자체의 함유량이 소량 이여서 하수 처리수 공업용수 재이용수질 권고 기준을 만족하는데 문제가 없었다. 그 외의 측정항목 또한 하수 처리수 공업용수 재이용수질 권고 기준을 만족하여 인근지역의 공업용수로 재사용에는 문제가 없을 것으로 예상된다.

Keywords

Acknowledgement

Supported by : 중소기업청

References

  1. 환경부, 물 재이용기본 계획 2011-2020, (2011).
  2. 김인수, 오병수, "물부족 해결을 위한 해수 담수화와 물재 이용기술," 대한환경공학회지, 30(12), 1197-1201(2008).
  3. 환경부, 물순환 이용체계 개선에 관한 연구용역 최종 보고서, (2007).
  4. Salgot, M., "Water reclamation, recycling and reuse: implementation issues," Desalination, 218(1-3), 190-196(2008). https://doi.org/10.1016/j.desal.2006.09.035
  5. Kolodiziejski, J. and Gasson, C., Water reuse markets 2005-2015: A Global assessment and forecast global water intelligence, June, (2005).
  6. Perez-Gonzalez, A., Urtiaga, A. M., Ibanez, R. and Ortiz, I.., "Review: State of the art and review on the treatment technologies of water reverse osmosis concentrates," Water Res., 46(2), 267-283(2011).
  7. 환경부, 물순환 이용기본계획, (2007).
  8. 박승우, 장태일, "안전한 농업용수를 이용하기 위한 하수재이용 시스템 기술 개발과 적용," 물과 미래, 541(6), 29-24 (2008).
  9. Chang, I. S., Le Clech, P., Jefferson, B. and Judd, S. "Membrane fouling in membrane bioreactors for wastewater treatment," J. Environ. Eng., 128(11), 1018-1029(2002). https://doi.org/10.1061/(ASCE)0733-9372(2002)128:11(1018)
  10. Wintgens, T., Melin, T., Schafer, A., Khan, S., Muston, M., Bixio, D. and Thoeye, C., "The role of membrane processes in municipal wastewater reclamation and reuse," Desalination, 178(1-3), 1-7(2005). https://doi.org/10.1016/j.desal.2004.12.014
  11. Chelme-Ayala, P., Smith, D. W. and El-Din, M. G., "Membrane cocreate management options: a comprehensive critical review," Canadian J. Civil Eng., 36(6), 1107-1119(2009). https://doi.org/10.1139/L09-042
  12. APHA, AWWA, WPCF, Standard Methods for the Examination of Water and Wastewater. 18thed. American Public Health Association. Washington DC; 1992.
  13. Sobeck, D. C. and Higgins, M. J., "Examination of three theories for mechanisms of cation-induced bioflocculation," Water Res., 36(3), 527-538(2002). https://doi.org/10.1016/S0043-1354(01)00254-8
  14. 장남정, 임상호, 김인수, "MBR공정에서 칼슘농도가 막오염에 미치는 영향," 한국물환경학회․대한상하수도학회 공동춘계학술발표회 논문집, pp. 316-319(2005).
  15. Jeppesen, T., Shu, L., Keir, G. and Jegatheesan, V., "Metal recovery from reverse osmosis concentrate," J. Cleaner Production, 17(7), 703-707(2009). https://doi.org/10.1016/j.jclepro.2008.11.013
  16. Higgins, M. J. and Novak, J. T., "Dewatering and settling of activated sludges: The case for using cation analysis," Water Environ. Res., 69(2), 225-232(1997). https://doi.org/10.2175/106143097X125380
  17. 문유리, 이민주, 김자겸, 박남식, "도서지역의 친환경적 용수 공급계획 수립방안," 연구보고서, 환국환경정책.평가연구원, (2010).
  18. Li, S. Z., Li, X. Y. and Wang, D. Z., "Membrane (RO-UF) filtration for antibiotic wastewater treatment and recovery of antibiotics," Sep. Purific. Technol., 34, 109-114(2004). https://doi.org/10.1016/S1383-5866(03)00184-9
  19. Reardon, R. D., Paranjape, S. V., Fpussereau, X. J., Digiano, F. A., Aitken, M. D., Kim, J. H., Chong, S. Y. and Cramer, R., "Water for reuse: Membrane treatment of secondary effluent for subsequent use WERF final report," North Carolina University, (2005).
  20. Pearce, G. K., "UF/MF pre-treatment to RO in seawater and wastewater reuse applications: a comparison of energy costs," Desalination, 222(1-3), 66-73(2008). https://doi.org/10.1016/j.desal.2007.05.029
  21. Jacob, M., Guigui, C., Cabassud, C., Darras, H., Lavison, G. and Moulin, L., "Performances of RO and NF processes for wastewater: Tertiary treatment after a conventional activated sludge or a membrane bioreactor," Desalination, 250(2), 833-839(2010). https://doi.org/10.1016/j.desal.2008.11.052
  22. Tam, L. S., Tang, T. W., Lau, G. N., Sharma, K.. and Chen, G. H., "A pilot study for wastewater reclamation and reuse with MBR/RO and NF/RO systems," Desalination, 202(1-3), 106-113(2007). https://doi.org/10.1016/j.desal.2005.12.045

Cited by

  1. Treatment of reverse osmosis concentrate by biological aerated filter pp.1944-3986, 2013, https://doi.org/10.1080/19443994.2013.850449
  2. Reliability Assessment of Reverse Osmosis System Projection Programs vol.41, pp.1, 2019, https://doi.org/10.4491/KSEE.2019.41.1.42