화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.33, No.4, 1200-1210, April, 2016
DOI10.1007/s11814-015-0246-0  Export Citation
Monolaurin yield optimization in selective esterification of glycerol with lauric acid over post impregnated HPW/SBA-15 catalyst
Pengyong Hoo†, and Ahmad Zuhairi Abdullah
  • School of Chemical Engineering, Universiti Sains Malaysia, Engineering Campus, Seri Ampangan, 14300 Nibong Tebal, Pulau Pinang, Malaysia
E-mail:
Process optimization of selective esterification of glycerol with lauric acid catalyzed by highly uniformed SBA-15 catalysts post impregnated with 12-tungstophosphorus acid (HPW) has been elucidated via response surface methodology (RSM). The significance of factors including reaction time (t), reactants ratio (R) and temperature (T) was investigated and led to the development of response models for lauric acid conversion (R1) and monolaurin yield (R2). The optimized monolaurin yield operating condition (50% yield at t=3.18 h, R=4.6 and T=175 ℃) was identified by using the developed models with high accuracy (98% confidence level, small standard deviation and error) and reproducibility (3 times). Comparison done with reported results showed the good performance of developed catalyst with significant reduction in reaction time needed to achieve similar lauric acid conversion and monolaurin yield.
Keywords:12-Tungstophosphoric Acid;Mesoporous SBA-15;Response Surface Methodology;Yield;Optimization
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