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반류수처리를 위한 현장 pilot plant 생물막 아질산화 반응조에서 운전인자 평가 / 한진희 ; 권민 ; 한종훈 ; 윤주환 ; 남해욱 ; 고주형 1
Abstract 1
1. 서론 1
2. 재료 및 방법 2
2.1. 실험장치 및 운전조건 2
2.2. 실험방법 2
3. 결과 및 고찰 2
3.1. 전체 운전 결과 2
3.2. pH의 영향 2
3.3. 고형물과 유기물 농도의 영향 4
3.4. 운전 DO의 영향 4
3.5. 온도의 영향 5
3.6. 반응조 미생물 조사 5
3.6.1. FISH 분석을 통한 질산화균 분포 조사 결과 5
3.6.2. INT-Dehydrogenase(DHA) 통한 미생물 활성도 조사 결과 5
3.7. 질소 손실 5
4. 결론 6
사사 6
참고문헌 6
A pilot-scale biofilm nitiritation reactor was operated with the reject water from a large wastewater treatment plant. The effects of various operating parameters including pH, temperature, dissolved oxygen, solids and organic concentrations were examined. A stable nitritation was achieved at operating pH range of 7.3 to 8.8 with an alkalinity addition. Higher operating temperature of 35±0.7℃ achieved more stable nitritation compared to 30±0.2℃. It has been noticed that nitrite accumulation
maintained with DO, solids and organic concentrations range of 0.8 to 3.9 mg/L, 3,400 to 11,000 mg/L, and 86 to 572 mg/L, respectively. It seems that the accumulation of nitrite was caused by both the inhibition of NO-2 oxidizers due to free ammonia and the maintenance of the high operating temperature of 35℃ which promote to accumulate the NH+4 oxidizers in the reactor. According to microbial community analysis of fluorescence in situ hybridization and INT-Dehydrogenase measurements, more nitrifiers were presented in attached form compared to suspended growth.| 번호 | 참고문헌 | 국회도서관 소장유무 |
|---|---|---|
| 1 | (1992) Anaerobic-aerobic treatment of high-strength ammonium wastewater nitrogen removal via nitrite, | 미소장 |
| 2 | (1976) Inhibition of nitrification by ammonia and nitrous acid, | 미소장 |
| 3 | (2001) Nitrification at low oxygen concentration in biofilm reactor, | 미소장 |
| 4 | (2006) Nitrification of a high-strength wastewater in an inverse turbulent bed reactor: Effect of temperature on nitrite accumulation, | 미소장 |
| 5 | (1997) Influence of dissolved oxygen concentration on nitrite accumulation in a biofilm airlift suspension reactor, | 미소장 |
| 6 | (1998) The SHARON process: An innovated method of nitrogen for nitrogen removal from ammonium-rich wastewater, | 미소장 |
| 7 | (2003) Nitrificaiton with high nitrite accumulation for the treatment of wastewater with high ammonia concentration, | 미소장 |
| 8 | (2001) The Combined Sharon/Anammox Process: A sustainable method for N-removal from sludge water, | 미소장 |
| 9 | (1989) Stability of nitrite build up in an activated sludge system, | 미소장 |
| 10 | (2004) Partial nitrification under limited dissolved oxygen conditions, | 미소장 |
| 11 | (2004) Modeling and simulation of oxygen-limited partial nitritation in a membrane-assisted bioreactor (MBR), | 미소장 |
| 12 | (2006) Factors affecting on nitrite nitrification of reject water in wastewater treatment plant, | 미소장 |
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