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논문 기본 정보

자료유형
학술저널
저자정보
Golam Taki (Chonnam National University) Mohammad Nazrul Islam (Chonnam National University) Seong-Jae Park (Chonnam National University) Jeong-Hun Park (Chonnam National University)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제23권 제2호
발행연도
2018.6
수록면
175 - 180 (6page)

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초록· 키워드

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Box-Behnken Design (BBD) under response surface methodology (RSM) was implemented to optimization the operating parameters and assess the removal and recovery efficiencies of crude oil from contaminated soil using subcritical water extraction. The effects of temperature, extraction time and water flow rate were explored, and the results indicate that temperature has a great impact on crude oil removal and recovery. The correlation coefficients for oil removal (R<SUP>2</SUP> = 0.74) and recovery (R<SUP>2</SUP> = 0.98) suggest that the proposed quadratic model is useful. When setting the target removal and recovery (>99%), BBD-RSM determined the optimum condition to be a temperature of 250°C, extraction time of 120 min, and water flow rate of 1 mL/min. An experiment was carried out to confirm the results, with removal and recovery efficiencies of 99.69% and 87.33%, respectively. This result indicates that BBD is a suitable method to optimize the process variables for crude oil removal and recovery from contaminated soil.

목차

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

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