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논문 기본 정보

자료유형
학술저널
저자정보
최문섭 (순천향대학교) 최기승 (씨디아이) 오계헌 (순천향대학교)
저널정보
한국생물공학회 KSBB Journal KSBB Journal Vol.36 No.2(Wn.177)
발행연도
2021.6
수록면
171 - 179 (9page)
DOI
10.7841/ksbbj.2021.36.2.171

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초록· 키워드

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Our previous research has demonstrated that Shinella granuli CK-4 is capable of utilizing 1,4-dioxane as its sole source of carbon and energy when isolated from industrial wastewater [1]. In this study, we have extended this work to investigate the relationships between 1,4-dioxane degradation and the strain CK-4 and several relevant physicochemical environmental parameters in 3 L bench-scale bioreactors. One gram of 1,4-dioxane per liter was completely degraded within 96 hours of incubation, and the optimum temperature for 1,4-dioxane degradation was 30oC. 1,4-Dioxane degradation by CK-4 gradually increased as a function of airflow rate and agitation speed, and the optimum airflow rate and agitation speed were 2.5 L/min and 500 rotation per minutes, respectively, in this study. The addition of 50 mg/L tetrahydrofuran as a supplemental carbon source was found to stimulate the maximal bacterial growth and 1,4-dioxane degradation. The optimum results obtained from these experiments were combined and applied for 1,4-dioxane degradation. As a result, the complete degradation of 1,4-dioxane was achieved with the CK-4 culture within 72 hours of incubation. We explored the feasibility of using the cultures of S. granuli CK-4 for the degradation of 1,4-dioxane with the aim of microbial application in industrial wastewater treatment in bench-scale bioreactors.

목차

Abstract
1. INTRODUCTION
2. MATERIALS AND METHODS
3. RESULTS AND DISCUSSION
4. CONCLUSION
REFERENCES

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