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水質保全 = Journal of Korean Society on Water Quality v.23 no.5, 2007년, pp.781 - 788   피인용횟수: 1

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Acid Fermentation Characteristics of Waste Activated Sludge using Acids and Ultrasonication

손춘호   ((주)대우건설기술연구원CC0188650  ); 홍승모   ((주)대우건설기술연구원CC0188650  ); 이병헌   (부경대학교UU0000598  );
  • 초록

    The Carbon source to enhance the denitrification is essential matter in the advanced sewage treatment. For the high level of nutrient removal, external carbons such as ethanol, methanol, volatile fatty acids and so on should be needed. In this study, the methods to increase the sludge solubilization and acidification rate were compared with waste activated sludges and food waste leachate. Ultrasonication and acids were used for the pretreatment of organic particles in sludges. As a results, the optimal temperature and HRT were $60^{\circ}C$ and 5 days, respectively. HAc, HPr, HBr, and other VFAs for acid fermentations reduced up to 22, 16, 14, and 48% with HRT reduction. For the increase of solubilization, 28% of solids destruction rate was shown at 0.3 watts/mL.


  • 주제어

    Acidification .   Solubilization .   Ultrasonication .   Volatile fatty acid.  

  • 참고문헌 (7)

    1. Tiehm, A., Herwig, V. and Neis, U., Particle size analysis for improved sedimentation and filteration in waste water treatment, Wat. Sci. Tech., 39(8), pp. 99-106 (1997) 
    2. Portenlanger, G. and Heusinger, H., The influence of frequency on the mechanical and radical effects for the ultrasonic degradation of dextranes, Ultrasonics Sonochemistry, 4(2), pp. 127-130 (1997) 
    3. Bruns, M. A., Stephen, J. R., Kowalchuk, G. A., Prosser, J. I. and Paul, E. A., Comparative diversity of ammonia oxidizer 16S rRNA gene sequences in native, tilled, and successional soils, Applied and Environmental Microbiology, 65, pp. 2994-3000 (1992) 
    4. Haug, R. T., Stuckey, D. C., Gossett, I. M. and McCarthy, P. I., Effect of thermal pretreatment on digestibility and dewaterability of organic sludges, J. Water Poll. Control Fed, 50(1), pp. 73-85 (1978) 
    5. Estman, J. A. and Ferguson, J. F., Solubilization of particulate organic carbon during the acid phase of anaerobic digestion, J. Water Pollut., Control Fed, 53, pp. 352-366 (1981) 
    6. Palis, J. C. and Irvine, R. L., Nitrogen removal in a low-loaded single tank sequencing batch reactor, Research journal of the Water Pollution Control Federation, 57(1), pp. 82-86 (1985) 
    7. Chu, C. P. and Lee, D. J., Experimental Analysis of Centrifugal Dewatering Process of Polyelectrolyte Flocculated Waste Activated Sludge, Water Res., 35, p. 2377 (2001) 
  • 이 논문을 인용한 문헌 (1)

    1. Lee, Jonghak ; Jeong, Tae-Young ; Roh, Hyun-Seog ; Kim, Dongjin 2010. "Characteristics of Anaerobic Methane Production by Ultrasonic Treatment of Excess Sludge" 水質保全 = Journal of Korean Society on Water Quality, 26(5): 810~815     

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