Membrane Journal (멤브레인)

The Membrane Society of Korea (한국막학회)
권호 표지

Processing Characteristics of the Condensed Wastewater Resulting from Food Waste Disposal using a Submerged Polyethylene Hollow Fiber Membrane

음식물 소멸기에서 발생하는 응축폐수의 Polyethylene 침지형 중공사막을 이용한 처리 특성

  • Ryu, Jae-Sang (Department of Energy & Environment Engineering, Seoul National University of Technology) ;
  • Jeon, Tae-Bong (Korea Environment Corporation) ;
  • Kim, Jin-Ho (Korea Membrane Separation Co., Ltd.) ;
  • Chung, Kun-Yong (Department of Energy & Environment Engineering, Seoul National University of Technology)
  • 유재상 (서울산업대학교 에너지환경공학과) ;
  • 전태봉 (한국환경공단) ;
  • 김진호 ((주)케이엠에스) ;
  • 정건용 (서울산업대학교 에너지환경공학과)
  • Received : 2010.06.04
  • Accepted : 2010.06.18
  • Published : 2010.06.30
Download PDF
⟨ Previous Next ⟩

Abstract

This study is conducted about the system that reduces organism after fermenting food waste from a food waste disposal equipment, divides gas made when food waste is fermented into gas and water, and then sends gas to a reactor again, condenses water, and apply it to the MBR system with submerged MF hollow fiber membranes. A submerged MF hollow fiber membrane module was installed to a food waste disposal equipment and a water treatment system made by Bio Hitech Co,. Ltd. to process food waste generated from a staff cafeteria in a H institute for 90 days. For initial seeding of a food waste disposal equipment, 305 kg of rice bran, chaff, and sawdust as well as 1,648 kg of food were input during the operation, and 1,600 L of condensed wastewater occurred. Fermented by-product after finishing running a food waste disposal equipment was 386 kg and its reduction was shown to be 80%. The organism was processed by applying submerged MF hollow fiber membrane module to the MBR system of condensed wastewater, and the result shows reduction rates were BOD 99.9%, COD 97.5%, SS 98.6%, T-N 54.6% and T-P 34.7% and the total colon bacillus was perfectly eliminated.

연구는 음식물 쓰레기를 음식물 소멸기에서 미생물에 의해 발효하여 유기물을 감량화하고, 음식물 발효시 발생되는 가스를 냉각기에서 기체와 수분으로 분리하여 기체는 반응기로 다시 보내고 수분은 응축하여 침지식 MF 중공사 분리막이 장착된 MBR 시스템에 적용하여 처리하는 시스템에 관한 연구이다. (주)바이오하이테크에서 제작한 음식물 소멸기와 수처리 장치에 침지식 MF 중공사 모듈을 설치하여 90일간 H연구소 직원식당에서 발생되는 음식물 쓰레기를 연속 투입하여 처리하였다. 음식물 소멸기 초기 Seeding를 위하여 수분조절제로 미강, 왕겨, 톱밥을 305 kg 투입하였고 음식물은 운전기간동안 1,648 kg투입하였고 응축폐수는 1,600 L 발생되었다. 음식물 소멸기 운전 종료 후 배출된 발효 부산물은 386 kg으로 감량율은 약 80%로 조사되었다. 침지식 MF 중공사 분리막 모듈을 응축폐수의 MBR 시스템에 적용하여 유기물 처리한 결과 제거율은 각각 BOD 99.9%, COD 97.5%, SS 98.6%, T-N 54.6%, T-P 34.7%였으며, 총대장균은 100%가 제거되었다.

Keywords

References

  1. H. J. Kim, J. H. Kim, D. I. Oh, S. C. Kim, N. H. Lee, and N. J. Kim. "Effect of moisture on stabilization of municipal solid wastes in anaerobic landfill," J. Kor. Org. Res. Rec. Ass., 13, 124 (2005).
  2. J. P. Kim, K. W. Chang, and K. H. Min, "Evaluation of the stability of compost made from food wastes by the fermenting tank," J. KOWREC., 3, 35 (1995).
  3. M. J. Lee, C. H. Park, D. H. Lec, T. H. Kim, B. H. Lee, J. W. Lee, and S. G. Kim, "Performance Evaluation of Bio-Membrane Hybrid Process for Treatment of Food Waste Leachate," Korean Journal of Biotechnology and Bioengineering, 23, 90 (2008).
  4. W. C. Boyle and R. K. Ham, "Biological treat-ability of landfill leachate," J. Water. Pol. Cont. Fed, 48, 860 (1974).
  5. N. J. Karrer, G. Ryhiner, and E. Heinzel, "Applicability test for comboned biological-chemical treatment of wastewaters containing biorefractory compounds," Wat. Res., 31, 1013 (1077).
  6. M. S. Kang, K. H. Choi, and S. S. Son, "A Study on the Treatment of Leachate Using Combined Membrane Process," Membrane Journal, 10(4), 213 (2000).
  7. K S. Ben, S. O. Go, and S. H. No, "Membrane Screening for Kimpo Landfill Leachate Treatment," Membrane Journal, 1995 Apr. 01, 64 (1995).
  8. Y. S. Cho, J. P. Kim, and K Y. Chung, "Permeation characteristics of the submerged membrane module using the rotating disks," Membrane Journal, 16(1), 51 (2006).
  9. G. C. Cha and M. G. Hwang, "Nitrogen removal and behavior of soluble microbial product (SMP) in the MBR process with intermittent aerobic condition Membrane Journal, 3(1), 1 (2001).
  10. T. H. Bae, G. G. J, and T. M. T, "Effects of biomass concentration and sludge loading rate on bioactivity and membrane fouling in a submerged membrane bioreactor system," Membrane Journal, 14(4), 289 (2004).
  11. S. H. Choi, N. U. Cho, and M. S. H, "The estimating an effect of rapid flux increase to a membrane in the intermittent aeration MBR process using alum treatment," Membrane Journal, 15(1), 70 (2005).