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논문 기본 정보

자료유형
학술저널
저자정보
Hamid, Shanawar (Department of Civil and Environmental Engineering, Korea Advanced Institute of Science and Technology) Lee, Woojin (Department of Civil and Environmental Engineering, Korea Advanced Institute of Science and Technology)
저널정보
테크노프레스 Advances in environmental research Advances in environmental research 제4권 제4호
발행연도
2015.1
수록면
263 - 271 (9page)

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In this study, the effect of initial nitrate loading on nitrate removal and byproduct selectivity was evaluated in a continuous system. Nitrate removal decreased from 100% to 25% with the increase in nitrate loading from 10 to $300mg/L\;NO_3-N$. Ammonium selectivity decreased and nitrite selectivity increased, while nitrogen selectivity showed a peak shape in the same range of nitrate loading. The nitrate removal was enhanced at low catalyst to nitrate ratios and 100% nitrate removal was achieved at catalyst to nitrate ratio of ${\geq}33mg\;catalyst/mg\;NO_3-N$. Maximum nitrogen selectivity (47%) was observed at $66mg\;catalyst/mg\;NO_3-N$, showing that continuous Cu-Pd-NZVI system has a maximum removal capacity of 37 mg $NO_3{^-}-N/g_{catalyst}/h$. The results from this study emphasize that nitrate reduction in a bimetallic catalytic system could be sensitive to changes in optimized regimes.

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