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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.3
- 수록면
- 79 - 87 (9page)
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To treat leather industry wastewater (LIW) containing high nitrogen concentration, eight aerobic denitrifiers were isolated from sludge existing in an LIW-treatment aeration tank. Among them, one strain named as KH8 had showed the great ability in denitrification under an aerobic condition, and it was identified as Pseudomonas aeruginosa R12. The aerobic denitrification ability of the strain KH8 was almost comparable to its anaerobic denitrification ability. In lab-scale aerobic denitrifications performed in 1-L five-neck flasks for 48 hr, denitrification efficiency was found to be much improved as the strain KH8 held a great majority in the seeded cells. From the nitrogen balance at the cell-combination ratio of 10:1 (the strain KH8 to the other seven isolates) within the seeded cells, the percentage of nitrogen loss during the aerobic denitrification process was estimated to be 58.4, which was presumed to be converted to N2 gas. When these seeded cells with lactose were applied to plant-scale aeration tank for 56 day to treat high-strength nitrogen in LIW, the removal efficiencies of CODCr and TN were achieved to be 97.0% and 89.8%, respectively. Under this treatment, the final water quality of the effluent leaving the treatment plant was good enough to meet the water-quality standards. Consequently, the isolated aerobic denitrifiers could be suitable for the additional requirement of nitrogen removal in a limited aeration-tank capacity. To the best of our knowledge, this is the first report of aerobic denitrifiers applied to plant-scale LIW treatment.
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참고문헌 (32)
참고문헌 신청
1. [학술지(정기간행물)] - Gupta AB / 2001 / Simultaneous carbon and nitrogen removal from high strength domestic wastewater in an aerobic RBC biofilm / Water Res 35 : 1714 ~ 1722
2. [학술지(정기간행물)] - Third KA / 2005 / Long-term aeration management for improved N-removal via SND in a sequencing batch reactor / Water Res 39 : 3523 ~ 3530
3. [학술지(정기간행물)] - Schmidt I / 2003 / New concept of microbial treatment processes for the nitrogen removal in wastewater / FEMS Microbiol. Rev 27 : 481 ~ 492
4. [학술지(정기간행물)] - Robertson LA / 1983 / Thiosphaera pamtotropha gen. nov. sp. nov., a facultatively anaerobic, facultatively autotrophic sulphur bacterium / J. Gen. Microbiol 129 : 2847 ~ 2855
5. [학술지(정기간행물)] - Su JJ / 2001 / Isolation of an aerobic denitrifying bacterial strain NS-2 from the activated sludge of piggery wastewater treatment systems in Taiwan possessing denitrification under 92% oxygen atmosphere / J. Appl. Microbiol 91 : 853 ~ 860
2. [학술지(정기간행물)] - Third KA / 2005 / Long-term aeration management for improved N-removal via SND in a sequencing batch reactor / Water Res 39 : 3523 ~ 3530
3. [학술지(정기간행물)] - Schmidt I / 2003 / New concept of microbial treatment processes for the nitrogen removal in wastewater / FEMS Microbiol. Rev 27 : 481 ~ 492
4. [학술지(정기간행물)] - Robertson LA / 1983 / Thiosphaera pamtotropha gen. nov. sp. nov., a facultatively anaerobic, facultatively autotrophic sulphur bacterium / J. Gen. Microbiol 129 : 2847 ~ 2855
5. [학술지(정기간행물)] - Su JJ / 2001 / Isolation of an aerobic denitrifying bacterial strain NS-2 from the activated sludge of piggery wastewater treatment systems in Taiwan possessing denitrification under 92% oxygen atmosphere / J. Appl. Microbiol 91 : 853 ~ 860
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UCI(KEPA) : I410-ECN-0101-2017-539-001539487