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논문 기본 정보

자료유형
학술저널
저자정보
Saeromi Lee (Korea Institute of Civil Engineering and Building Technology) Chang Hyuk Ahn (Korea Institute of Civil Engineering and Building Technology) Jae Roh Park (Korea Institute of Civil Engineering and Building Technology) Sooji Lee (Hanbat National University) Inju Lee (Hanbat National University) Jin Chul Joo (Hanbat National University)
저널정보
응용생태공학회 Ecology and Resilient Infrastructure Ecology and Resilient Infrastructure Vol.2 No.4
발행연도
2015.12
수록면
345 - 350 (6page)

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초록· 키워드

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The toxicity of red mud (RM) pellets for water purification was evaluated using Pseudokirchneriella subcapitata and Daphnia magna in a lab-scale experiment. According to the algal growth inhibition test, both specific growth rates and relative growth rates of P. subcapitata decreased, and the growth inhibition rates increased (R 2=0.97, p<0.001) as the concentration of RM pellets in the aqueous solution increased (>1.6 g/L). Also, based on the acute toxicity evaluation test on D. magna, toxic unit (TU) values ranged between 0.00 and 2.83, and increased with an increase in the concentration of RM pellets in the aqueous solution. A correlation analysis indicated that the pH of RM pellets was statistically correlated with TU values (R 2=0.77, p=0.02). The environmental implication from this study is that the concentration of RM pellets in an aqueous solution needs to be lower than 4.4 g/L to keep the maximum permissible TU value less than 1.0.

목차

ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
Acknowledgements
References

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UCI(KEPA) : I410-ECN-0101-2018-531-001061715