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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2011.12
- 수록면
- 213 - 218 (6page)
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초록· 키워드
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The two-stage intermittent aeration activated sludge process (IAP) and dynamic-flow intermittent aeration activated sludge process (DFP) were investigated for the nutrient removal of domestic wastewater. Three sets of IAP and one set of DFP were operated. The fermented settled sludge taken from the primary settling tank was added to two IAP and one DFP as an external electron donor, with one IAP, in which an external carbon source was not added, as a control. All the systems were operated at a sludge retention time of 20 days and a hydraulic retention time of 12 hr. A Higher denitrification rate was observed with the fermented settled sludge for the denitrification compared to the process without the addition of the organic source. The result indicates that the fermented acid from the primary domestic sludge has been proved to be an excellent electron donor for denitrification and biological phosphorus removal with IAP and DFP in treating relatively low C/N ratio(Carbon / Nitrogen ratio) wastewater. Phosphate accumulating organisms have a capability of competing with denitrifiers in the presence of volatile organic acids under anoxic conditions.
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참고문헌 (16)
참고문헌 신청
1. [학술지(정기간행물)] - Henze M / 1991 / Capabilities of biological nitrogen removal processes from wastewater / Water Sci. Technol 23 : 669 ~ 679
2. [학술지(정기간행물)] - Zhao H / 1994 / A novel control strategy for improved nitrogen removal in an alternating activated sludge process - Part II. Control development / Water Res 28 : 535 ~ 542
3. [학술지(정기간행물)] - Osada T / 1991 / Removal of nitrogen and phosphorus from swine wastewater by the activated sludge units with the intermittent aeration process / Water Res 25 : 1377 ~ 1388
4. [학술지(정기간행물)] - Sasaki K / 1996 / Development of 2-reactor intermittent-aeration activated sludge process for simultaneous removal of nitrogen and phosphorus / Water Sci. Technol 34 : 111 ~ 118
5. [학술지(정기간행물)] - Isaacs SH / 1994 / External carbon source addition as a means to control an activated sludge nutrient removal process / Water Res 28 : 511 ~ 520
2. [학술지(정기간행물)] - Zhao H / 1994 / A novel control strategy for improved nitrogen removal in an alternating activated sludge process - Part II. Control development / Water Res 28 : 535 ~ 542
3. [학술지(정기간행물)] - Osada T / 1991 / Removal of nitrogen and phosphorus from swine wastewater by the activated sludge units with the intermittent aeration process / Water Res 25 : 1377 ~ 1388
4. [학술지(정기간행물)] - Sasaki K / 1996 / Development of 2-reactor intermittent-aeration activated sludge process for simultaneous removal of nitrogen and phosphorus / Water Sci. Technol 34 : 111 ~ 118
5. [학술지(정기간행물)] - Isaacs SH / 1994 / External carbon source addition as a means to control an activated sludge nutrient removal process / Water Res 28 : 511 ~ 520
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UCI(KEPA) : I410-ECN-0101-2017-539-001548044