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Received June 16, 2014
Accepted August 11, 2014
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아임계수 가수분해를 통한 돈지로부터 지방산 생산의 최적화
Optimization of Fatty Acids Production from Lard via Subcritical Water-Mediated Hydrolysis
한양대학교 화학공학과, 426-791 경기도 안산시 상록구 사3동 1271 1켄터키대학교 응용에너지연구소, KY 40511 렉싱턴 Research Park Drive 2540
Department of Chemical Engineering, Hanyang University, 1271 Sa-3-dong, Sangrok-gu, Ansan-si, Gyeonggi 426-791, Korea 1Center for Applied Energy Research, University of Kentucky, 2540 Research Park Drive, Lexington, KY 40511, U.S.A., USA
Korean Chemical Engineering Research, April 2015, 53(2), 199-204(6), 10.9713/kcer.2015.53.2.199 Epub 30 March 2015
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Abstract
지방산 생산을 위한 돈지의 아임계수 가수분해 공정을 최적화하기 위하여 17-run 중심합성법(central composite design)에 기초한 반응표면법(response surface methodology)이 사용되었다. 반응 온도, 오일 대비 물의 몰 비, 반응 시간과 같은 변수 및 이들의 상관관계가 지방산 함량에 미치는 영향을 조사하였으며, 지방산 함량을 예측하기 위하여 2차 다항 회귀방정식이 제안되었다. 최대 지방산 함량을 얻을 수 있는 반응 조건은 288.5 oC, 39.5몰 비, 29.5분이었으며, 이 조건에서의 예측 및 실제 지방산 함량은 각각 97.06% 및 96.99%였다.
Response surface methodology (RSM) in combination with a 17-run central composite design (CCD) was applied to optimize the non-catalytic hydrolysis of lard using subcritical water to produce fatty acids (FA). The effects of three variables including temperature, molar ratio of water to oil and time, and their relationship on FA content were investigated. A quadratic regression model was employed to predict the FA contents. Optimum reaction conditions for maximizing the FA content were obtained as follows: reaction temperature of 288.5°C, molar ratio of water to oil of 39.5 and reaction time of 29.5 min. Under the optimum conditions, the predicted and experimentally obtained FA contents were 97.06% and 96.99%, respectively.
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Immer JG, Kelly MJ, Lamb HH, Appl. Catal. A: Gen., 375(1), 134 (2010)
Monnier J, Sulimma H, Dalai A, Caravaggio G, Appl. Catal. A: Gen., 382(2), 176 (2010)
Ping EW, Pierson J, Wallace R, Miller JT, Fuller TF, Jones CW, Appl. Catal. A: Gen., 396(1-2), 85 (2011)
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Park YK, Pastore GM, Almedia MMD, J. Am. Oil Chem. Soc., 65, 252 (1988)
Holliday RL, King JW, List GR, Ind. Eng. Chem. Res., 36(3), 932 (1997)
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King JW, Holliday RL, List GR, Green Chem., 1, 261 (1999)
Kocsisova T, Juhasz J, Cvengros J, Eur. J. Lipid Sci. Technol., 108, 652 (2006)
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Shin HY, Ryu JH, Park SY, Bae SY, J. Anal. App. Pyrolysis, 98, 250 (2012)
