Gu Zhun
2008
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Journal
The Chemical Engineer
Abstract
Gallium Sulfate was used as the catalyst in the esterification of cinnamic acid with butanol.The effects of alcohol∕acid molar ratio,reaction time and amount of catalyst have been investigated.The products was characterized by means of refractive index,elemental analysis and FT-IR.Experimental results showed that the catalyst was high activity and could be used repeatedly.Under the optimum reaction conditions the yield can be over 94%.The catalyst can be reused by simple phase-separation after reaction.It is used repeatedly for 4 times without obvious loss of activity and with the yield still over 90.0%