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Emulsification of O/W Emulsion Using Non-ionic Mixed Surfactant: Optimization Using CCD-RSM

비이온성 혼합계면활성제를 이용한 O/W 유화액의 제조 : CCD-RSM을 이용한 최적화

  • Lee, Seung Bum (Department of Chemical Engineering, Dankook University) ;
  • Li, Guangzong (Department of Chemical Engineering, Dankook University) ;
  • Zuo, Chengliang (Department of Chemical Engineering, Dankook University) ;
  • Hong, In Kwon (Department of Chemical Engineering, Dankook University)
  • 이승범 (단국대학교 화학공학과) ;
  • 리광종 (단국대학교 화학공학과) ;
  • 줘청량 (단국대학교 화학공학과) ;
  • 홍인권 (단국대학교 화학공학과)
  • Received : 2019.07.30
  • Accepted : 2019.09.02
  • Published : 2019.10.10

Abstract

A mixing ratio of the oil in water (O/W) emulsion of palm oil and the non-ionic surfactant (Tween-Span type) possessing different hydrophile-lipophilie balance (HLB) values was evaluated in this work. An optimum condition was determined through analysis of main and interaction effects of each quantitative factor using central composite design model-response surface methodology (CCD-RSM). Quantitative factors used by CCD-RSM were an emulsification time, emulsification speed, HLB value and amount of surfactant. On the other hand, the reaction parameters were the viscosity and mean droplet size of O/W emersion. Optimized conditions obtained from CCD-RSM were the emulsification time of 12.7 min, emulsification speed of 5,551 rpm, HLB value of 8.0 and amount of surfactant of 5.7 wt.%. Ideal experimental results under the optimized experimental condition were the viscosity of 1,551 cP and mean droplet size of 432 nm which satisfy the targeted values. The average error value from our actual experiment for verifying the conclusions was below to 2.5%. Therefore, a high favorable level could be obtained when the CCD-RSM was applied to the optimized palm oil to water emulsification.

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