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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.9
- 수록면
- 311 - 317 (7page)
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초록· 키워드
오류제보하기
A new type of biofilter packed with composite carriers was designed for tertiary denitrification of the secondary effluent with removal of both oxidized nitrogen and suspended solids (SS). At the empty bed residence time of 15 min and organic carbon to nitrate nitrogen (C/NO₃-N) ratios of 2, 1.5 and 1 g/g, the removal percentage of NO₃-N was 67%, 58% and 36% in the ethanol biofilter, and was 61%, 43% and 26% in the acetate biofilter, respectively. The biofilters packed with composite carriers removed SS effectively, with the effluent turbidity in both biofilters of less than 3 NTU. During the operating cycle between the biofilter backwashings, the NO₃-N removal percentage decreased initially after backwashing, and then gradually increased. Under C/NO₃-N ratios of 2, 1.5 and 1 g/g, the NO₃-N reduction rate was 1.75, 1.04 and 0.68g/m²/d in the ethanol biofilter, and was 1.56, 1.07 and 0.76 g/m²/d in the acetate biofilter, respectively. In addition, during denitrification, the ratio of the consumed chemical oxygen demand to the removed NO₃-N was 5.06-8.23 g/g in the ethanol biofilter, and was 4.26-8.6 g/g in the acetate biofilter.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (23)
참고문헌 신청
[학술대회논문] - McGettigan J / 2009 / Tertiary denitrifying MBBRs:The right choice / Proceedings of the Water Environment Federation : 446 ~ 457
[학술대회논문] - Täljemark K / 2004 / 10 Years of experiences of an MBBR process for post-denitrication / Proceedings of the Water Environment Federation : 355 ~ 366
[학술지(정기간행물)] - Motsch S / 2007 / MBBR and IFAS pilot program for denitrification at Fairfax County's Noman Cole Pollution Control Plant / Water Practice 1 : 1 ~ 11
[학술대회논문] - Stinson B / 2009 / Design and operating considerations for a post denitrification MBBR to achieve limit of technology effluent NOx 1 mg/L and effluent TP 0.18 mg/L / Proceedings of the Water Environment Federation : 1225 ~ 1254
[학술대회논문] - Wilson T / 2008 / Using MBBRs to meet ENR nitrogen levels for over 8 years / Proceedings of the Water Environment Federation : 3622 ~ 3630
[학술대회논문] - Täljemark K / 2004 / 10 Years of experiences of an MBBR process for post-denitrication / Proceedings of the Water Environment Federation : 355 ~ 366
[학술지(정기간행물)] - Motsch S / 2007 / MBBR and IFAS pilot program for denitrification at Fairfax County's Noman Cole Pollution Control Plant / Water Practice 1 : 1 ~ 11
[학술대회논문] - Stinson B / 2009 / Design and operating considerations for a post denitrification MBBR to achieve limit of technology effluent NOx 1 mg/L and effluent TP 0.18 mg/L / Proceedings of the Water Environment Federation : 1225 ~ 1254
[학술대회논문] - Wilson T / 2008 / Using MBBRs to meet ENR nitrogen levels for over 8 years / Proceedings of the Water Environment Federation : 3622 ~ 3630
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UCI(KEPA) : I410-ECN-0101-2017-539-001842903