지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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초록· 키워드
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Objectives : In this research work, we investigated the biocatalytic potency of orange and watermelon garbage enzymes in the remediation of used motor oil-contaminated soils. The optimization of the biocatalytic remediation process was evaluated through D-optimal of response surface methodology (RSM) design of design expert.
Methods : The optimization of the biocatalytic process was evaluated with D-optimal model of response surface methodology (RSM) design, where input variables in the system were garbage enzymes solutions of orange and watermelon peels (biocatalysts) and two different pollution levels. The two levels of pollution factor considered were 5 and 10 % (w/w) oil pollution levels and used as independent variables; while the response of the system was in oil and grease (O&G) removal as dependent variables that were monitored under 6-week remediation process.
Results and Discussion : The result indicated that the model was highly significant and good predictors of the response fate of oil and grease (O&G) removal by the orange and watermelon garbage enzymes, as indicated by their coefficients of determination: R² = 0.90627 and R² = 0.88365 at p ＜ 0.05, respectively. Therefore, it was observed from the numerical optimization carried out that 54.2 and 53.8 % O&G removal was achieved with orange garbage enzymes at 5 and 10 % pollution level respectively after six weeks. On the other hand, 54.7 and 55.2 % O&G removal was accomplished with the same pollution level respectively under the influence of watermelon garbage enzymes after six weeks of the remediation process.
Conclusion : In response to what was achieved in this research work, the enzymes produced from the orange and watermelon garbage removed oil in terms of O&G from used motor oil-contaminated soils biocatalytically and hence could be applied in the remediation of oil contaminated soils.
Methods : The optimization of the biocatalytic process was evaluated with D-optimal model of response surface methodology (RSM) design, where input variables in the system were garbage enzymes solutions of orange and watermelon peels (biocatalysts) and two different pollution levels. The two levels of pollution factor considered were 5 and 10 % (w/w) oil pollution levels and used as independent variables; while the response of the system was in oil and grease (O&G) removal as dependent variables that were monitored under 6-week remediation process.
Results and Discussion : The result indicated that the model was highly significant and good predictors of the response fate of oil and grease (O&G) removal by the orange and watermelon garbage enzymes, as indicated by their coefficients of determination: R² = 0.90627 and R² = 0.88365 at p ＜ 0.05, respectively. Therefore, it was observed from the numerical optimization carried out that 54.2 and 53.8 % O&G removal was achieved with orange garbage enzymes at 5 and 10 % pollution level respectively after six weeks. On the other hand, 54.7 and 55.2 % O&G removal was accomplished with the same pollution level respectively under the influence of watermelon garbage enzymes after six weeks of the remediation process.
Conclusion : In response to what was achieved in this research work, the enzymes produced from the orange and watermelon garbage removed oil in terms of O&G from used motor oil-contaminated soils biocatalytically and hence could be applied in the remediation of oil contaminated soils.
목차
1. Introduction
2. Materials and methods
3. Results and discussion
4. Conclusion
References
참고문헌 (69)
참고문헌 신청
O. O. P. Faboye, Industrial pollution and waste management, Dimensions of Environmental Problems in Nigeria, O, Akinjide (Eds), Friedrich Ebert Foundation, Washington D. C, pp. 12-25(1997).
C. C. Osubor, G. O. Anoliefo, Inhibitory effect of spent lubrication oil on the growth and respiratory function of Arachis hypogea L, Benin Sci. Dig., 1, 73-79(2003).
U. U. Ifeanyi, P. O. Agwu, The effect of spent engine oil discharge on soil properties in an automobile mechanic village in Nekede, Imo State, Nigeria, IOSR J. Environ. Sci. Toxicol. Food Technol., 8, 28-32(2014).
J. D. Udonne, H. O. Onwuma, A study of the effects of waste lubricating oil on the physical/chemical properties of soil and the possible remedies, J. Petrol. Gas Eng., 5(1), 9-14(2014).
S. Abdulsalam, S. S. Adefia, I. M. Bugaje, S. Ibrahim, Bioremediation of soil contaminated with used motor oil in a closed system, J. Bioremediat. Biodegrad., 3(12), 3-9(2012).
C. C. Osubor, G. O. Anoliefo, Inhibitory effect of spent lubrication oil on the growth and respiratory function of Arachis hypogea L, Benin Sci. Dig., 1, 73-79(2003).
U. U. Ifeanyi, P. O. Agwu, The effect of spent engine oil discharge on soil properties in an automobile mechanic village in Nekede, Imo State, Nigeria, IOSR J. Environ. Sci. Toxicol. Food Technol., 8, 28-32(2014).
J. D. Udonne, H. O. Onwuma, A study of the effects of waste lubricating oil on the physical/chemical properties of soil and the possible remedies, J. Petrol. Gas Eng., 5(1), 9-14(2014).
S. Abdulsalam, S. S. Adefia, I. M. Bugaje, S. Ibrahim, Bioremediation of soil contaminated with used motor oil in a closed system, J. Bioremediat. Biodegrad., 3(12), 3-9(2012).
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