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논문 기본 정보

자료유형
학술저널
저자정보
Jang Ho Kang (Pukyong National University) Hyun Yi Jung (Pukyong National University) Joong Kyun Kim (Pukyong National University)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제23권 제3호
발행연도
2018.9
수록면
271 - 281 (11page)

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초록· 키워드

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To examine the feasibility of reuse of raw fishmeal wastewater, it was biodegraded by a microbial consortium in a 1-m³ reactor, and the final culture broth including mixed microbes was applied as biofertilizer to field cultivation of lettuce and Chinese cabbage. Moreover, economic analysis of the entire process was performed. A stable metabolism of organic matter degradation for 80 h with sufficient dissolved oxygen produced an amino acid content of 14.66 g per 100 g sample, along with increased cation and anion concentrations. The concentrations of N, P and K in the final culture broth were 2.26, 0.87 and 0.65%, respectively, while those of heavy metals were very low. In field cultivation of the two leafy vegetables, the biodegraded fishmeal wastewater showed better fertilizing ability than commercial fertilizers because of its high amino acid content. In addition, no external damage to leaves by the fertilization was observed. In economic analysis, the expected profitability from the practical reuse of raw fishmeal wastewater was estimated to be $491.68 per a single biodegradation, which corresponds to $25,567.36 per year. As a result, the complete reuse of fishmeal wastewater could be feasible and provide essential benefits.

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

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UCI(KEPA) : I410-ECN-0101-2018-539-001844161