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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
- 2023.8
- 수록면
- 61 - 77 (17page)
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초록· 키워드
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Based on present serious phenomenon of insufficient carbon source in municipal sewage in China, the two kinds of effect of hybrid-fruit-peel (HFP) coagulant (coagulation and external carbon source (ECS)) on treating low carbon source wastewater was studied, mainly compared with that of sodium acetate (NaAc). The feasibility of HFP as an ECS was researched, and then its coagulation behavior, sludge properties, nitrogen removal were studied mainly with aeration mode and sequencing batch reactor (SBR), respectively. The results showed the ration of biochemical oxygen demand (BOD5) to chemical oxygen demand (COD) released from HFP was 0.67−0.76, within the scope of easily biodegradable. Within a short aeration time, HFP posed obvious coagulation behavior. HFP sludge gave larger extracellular polymer (EPS) and lower dehydrogenase activity (DHA) than NaAc. For HFP, much larger size sludge flocs appeared, the connection among the flocs became closer, and the biofacies and number of microorganisms (Opercularia Coaractata, Nematode, Vorticella, etc.) increased significantly. HFP can be used as an excellent ECS for low carbon source wastewater, and probably also have the ability of slow-releasing carbon, and can be applied to municipal sewage or other wastewaters with insufficient carbon source.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (73)
참고문헌 신청
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Mahmoud A, Hamza RA, Elbeshbishy E. Enhancement of denitrification efficiency using municipal and industrial waste fermentation liquids as external carbon sources. Sci. Total Environ. 2022;816:151578. DOI:10.1016/j.scitotenv.2021.151578.
Fu X-R, Hou R-R, Yang P, Qian S-T, Feng Z-Q, Chen Z-B, Wang F, Yuan R-F, Chen H-L, Zhou B-H. Application of external carbon source in heterotrophic denitrification of domestic sewage: A review. Sci. Total Environ. 2022;817:153061. DOI:10.1016/j.scitotenv.
Karanasios KA, Vasiliadou IA, Pavlou S, Vayenas DV. Hydrogenotrophic denitrification of potable water: a review. J. Hazard. Mater. 2010;180:20-37. DOI:10.1016/j.jhazmat.2010.04.090.
Wang J-L, Chu L-B. Biological nitrate removal from water and wastewater by solid-phase denitrification process. Biotechnol. Adv. 2016;34:1103-1112. DOI:10.1016/j.biotechadv.2016.07.001.
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