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논문 기본 정보

자료유형
학술저널
저자정보
Yuanmei Chen (South China Normal University) Yutang Xiao (South China Normal University) Guanping Wang (Everbright Water(Shenzhen)) Wei Shi (Everbright Water(Shenzhen)) Linquan Sun (Shenzhen Changlong Technology) Yanfang Chen (Shenzhen Changlong Technology) Aichun Miao (Shenzhen Changlong Technology)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제26권 제4호
발행연도
2021.8
수록면
51 - 58 (8page)

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초록· 키워드

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In this pilot-scale test, the ozonation-biological treatment-catalytic ozonation system was performed to treat complex organics and highly-concentrated total nitrogen (TN) in biological pretreated incineration leachate. The test results showed that the ratio of five-day biochemical oxygen demand (BOD<SUB>5</SUB>) / chemical oxygen demand (COD) increased from 0.059 to 0.237, which indicated that the concentration of biodegradable COD (COD<SUB>bio</SUB>) increased by ozonation pre-treatment process. In addition, the TN removal mainly occurred in anaerobic zone due to direct denitrification by the activated bacteria, which were domesticated through different influent ratio. Moreover, it was necessary to add catalytic ozonation process to reach higher direct effluent discharge criteria. After 60 days repeated debugging, the removal rate of COD and TN reached 88.5% and 98.2%, respectively. Finally, the total cost of this system was ¥ 6.65 /㎥ ($ 0.95 /㎥), which was acceptable for the treatment of biological pretreated leachate. This pilot-scale test could provide some guiding information for the treatment of leachate containing highly-concentrated TN with low COD<SUB>bio</SUB>/N by the composite system.

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ABSTRACT
1. Introduction
2. Material and Methods
3. Results and Discussion in Different Stages
4. Conclusions
References

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