Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
권호 표지

Operation Characteristics of an UASB at High Organic Loading Condition for Thermal Elutriated Acids of Piggery Wastewater Treatment

가축분뇨 고온 세정산발효액 처리를 위한 고부하 조건에서의 UASB 운전특성

  • Kwon, Koo-Ho (Department of Environmental Engineering, Kyungpook National University) ;
  • Jung, Yong Jun (Department of Environmental Engineering, Catholic University of Pusan) ;
  • Min, Kyung-Sok (Department of Environmental Engineering, Kyungpook National University)
  • Published : 2012.11.30
⟨ Previous Next ⟩

Abstract

This study was carried out to treat the thermal elutriated acids of piggery wastewater using UASB process. The UASB reactor was operated at an organic loading rate (OLR) of $7.4\;kgCOD/m^3-day$ (6.5 ~ 9.0). During the start-up period, the low COD removal efficiency (20%) was caused by shock loading and instability in the reactor. It was mainly due to the high concentration amounts of ammonia nitrogen, which caused inhibitory and toxic effects to toward the anaerobic bacteria. In steady state, the UASB reactor showed a SCOD removal efficiency of 71% and a VS removal efficiency of 39%. The gas production and methane content were 1.3 L/day $(0.21\;m^3\;CH^4/kg$ COD removed) and 77%, respectively.

Keywords

References

  1. Ahn, Y. H., Bae, J. Y., Park, S. M., and Min, K. S. (2004). High Performance Anaerobic Treatment of Piggery Waste, Journal of the Korean Society of Civil Engineers, 24(2B), pp. 155-161. [Korean Literature]
  2. APHA, AWWA, WEF (2005). Standard Methods for the Examination of Water and Wastewater, 21th ed., Washington D.C.
  3. Bae, J. Y. and Min, K. S. (2005). Effect of Temperature and Pre-treatment for Elutriated Acidogenic Fermentation of Piggery Waste, Journal of Korean Society on Water Environment, 21(1), pp. 34-39. [Korean Literature]
  4. Chen, T. H. and Shyu, W. H. (1996). Performance of Four Types of Anaerobic Reactors in Treating Very Dilute Dairy Wastewater, Biomass and Bioenergy, 11(5), pp. 431-440. https://doi.org/10.1016/S0961-9534(96)00038-4
  5. Kim, K. I., Gomec, C. Y., Ahn, Y. H. and Speece, R. E. (2001). Anaerobic Digestion Elutriated Phased Treatment: The Role of pH and Nutrients, Proceeding of 9th World Congress of Anaerobic Digestion, pp.799-804.
  6. Kwon, K. H., Kim, S. W., Lee, M. J., and Min, K. S. (2006). Nitrogen and Phosphorus Removal using Elutriated Acids of Food Waste as an External Carbon Source in SBR, Journal of Korean Society on Water Environment, 22(3), pp. 462-467. [Korean Literature]
  7. Lettinga, G. and Hulshoff, P. L. W. (1991). UASB-Process Design for Various Type of Wastewaters, Water Science & Technology, 24(8), pp.87-107.
  8. McCarty, P. L. (1964). Anaerobic Waste Treatment Fundamentals, Part III. Toxic materials, Their Control, Public Works, 95, pp. 10-19.
  9. Min, B. K., Lee, C. H., and Kim, J. Y. (2012). Biogas Resource from Foodwaste Leachate Using UASB (Upflow Anaerobic Sludge Blanket), Applied Chemistry for Engineering, 23(1), pp. 28-34. [Korean Literature]
  10. Park, C. H. and Chung, T. H. (1996). Operational Characteristics of the UASB Pilot Plant at Low Temperatures, Journal of Korean Society on Water Environment, 12(3), pp. 313-319. [Korean Literature]
  11. Park, S. M., Min, K. S., Ahn, Y. H. and Park, J. B. (2004). Elutriated Acidogenic Fermentation of Sewage Primary Sludge, Journal of Korean Society of Environmental Engineers, 26(2), pp. 219-225. [Korean Literature]
  12. Won, C. H., Kim, B. U., Han, D. J., and Rim, J.-M. (2004). The Treatment of Slurry-type Swine Waste using UASB Reactor, Journal of Korean Society on Water Environment, 20(6), pp. 583-588. [Korean Literature]