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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.4
- 수록면
- 135 - 146 (12page)
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초록· 키워드
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This study was aimed to investigate the possibility of using raw and anaerobically-digested piggery wastewater as culture media for a green microalga Chlorella vulgaris (C. vulgaris). Due to high concentration of ammonia and dark color, the microalga did not grow well in this wastewater. In order to solve this problem, air stripping and NaOCl-treatment were applied to reduce the concentration of NH₃-N and the color intensity from the wastewater. Algal growth was monitored in terms of specific growth rate, biomass productivity, and nutrient removal efficiency. As a result, C. vulgaris grew without any sign of inhibition in air-stripped and 10-folds diluted anaerobically-digested piggery wastewater with enhanced biomass productivity of 0.57 g/L·d and nutrient removal of 98.7-99.8% for NH3-N and 41.0-62.5% for total phosphorus. However, NaOCl-treatment showed no significant effect on growth of C. vulgaris, although dark color was removed greatly. Interestingly, despite that the soluble organic concentration after air stripping was still high, the biomass productivity was 4.4 times higher than BG-11. Moreover, air stripping was identically effective for raw piggery wastewater as for anaerobic digestate. Therefore, it was concluded that air stripping was a very effective method for culturing microalgae and removing nutrients from raw and anaerobically-digested piggery wastewaters.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (83)
참고문헌 신청
Ji M, Abou-Shanab RA, Hwang J, et al. Removal of nitrogen and phosphorus from piggery wastewater effluent using the green microalga Scenedesmus obliquus. J. Environ. Eng. 2013;139:1198-1205.
Ji M, Kim H, Sapireddy VR, et al. Simultaneous nutrient removal and lipid production from pretreated piggery wastewater by Chlorella vulgaris YSW-04. Appl. Microbiol. Biotechnol. 2013;97:2701-2710.
ECOREA. Livestock manure statistics [Internet]. Ministry of Environment Republic of Korea; [cited 16 May 2018]. Available from: http://www.me.go.kr/home/file/readDownloadFile.do?fileId=150181&fileSeq=1.
Park J, Jin HF, Lim BR, Park KY, Lee K. Ammonia removal from anaerobic digestion effluent of livestock waste using green alga Scenedesmus sp. Bioresour. Technol. 2010;101:8649-8657.
Zhu L, Wang Z, Shu Q, et al. Nutrient removal and biodiesel production by integration of freshwater algae cultivation with piggery wastewater treatment. Water Res. 2013;47:4294-4302.
Ji M, Kim H, Sapireddy VR, et al. Simultaneous nutrient removal and lipid production from pretreated piggery wastewater by Chlorella vulgaris YSW-04. Appl. Microbiol. Biotechnol. 2013;97:2701-2710.
ECOREA. Livestock manure statistics [Internet]. Ministry of Environment Republic of Korea; [cited 16 May 2018]. Available from: http://www.me.go.kr/home/file/readDownloadFile.do?fileId=150181&fileSeq=1.
Park J, Jin HF, Lim BR, Park KY, Lee K. Ammonia removal from anaerobic digestion effluent of livestock waste using green alga Scenedesmus sp. Bioresour. Technol. 2010;101:8649-8657.
Zhu L, Wang Z, Shu Q, et al. Nutrient removal and biodiesel production by integration of freshwater algae cultivation with piggery wastewater treatment. Water Res. 2013;47:4294-4302.
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