RESEARCH ARTICLE

Emulsification for castor biomass oil

  • Dongxiang ZHANG , 1 ,
  • Yuanping LIN 1 ,
  • Anmei LI 1 ,
  • V. V. TARASOV 2
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  • 1. School of Chemical Engineering and the Environment, Beijing Institute of Technology, Beijing 100081, China
  • 2. D.I. Mendeleev University of Chemical Technology of Russia, 125190 Moscow, Russia

Received date: 24 Mar 2010

Accepted date: 23 May 2010

Published date: 05 Mar 2011

Copyright

2014 Higher Education Press and Springer-Verlag Berlin Heidelberg

Abstract

The effect of the emulsifier formula on the stability of castor oil-water system was studied through compounding three groups of emulsifiers from the aspects of stability factor of absorbance, centrifuge stability, demulsification time in quiescence, appearance of the droplets, and viscosity. The best emulsifier formula for castor biomass oil was the composite formula of sorbitan monooleate and polyoxyethylene sorbitan monostearate. Correlation exists between the stability of emulsion and the viscosity/particle size of the droplets, with better stability in the case of greater viscosity or narrower distribution of particle size in the emulsion of castor oil-water system.

Methanol added to the castor oil-water system may decrease the viscosity of the emulsion. Comparing the castor oil-water emulsion with methanol-castor oil-water emulsion, the optimal hydrophilic and lipophilic balance (HLB) value based on castor oil-water system was acquired between 6.6 and 7.5, while the optimal HLB value based on the methanol-castor oil-water system was between 5.5 and 6.0. The optimal HLB value of methanol-castor oil-water system gradually moved to that of castor oil-water emulsion with adding more water.

Cite this article

Dongxiang ZHANG , Yuanping LIN , Anmei LI , V. V. TARASOV . Emulsification for castor biomass oil[J]. Frontiers of Chemical Science and Engineering, 2011 , 5(1) : 96 -101 . DOI: 10.1007/s11705-010-0553-2

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