10.6084/m9.figshare.5669338.v1
Keke Chen
Keke
Chen
Wei Yan
Wei
Yan
Xiaofang Zhang
Xiaofang
Zhang
Yingying Kuang
Yingying
Kuang
Xiujuan Tang
Xiujuan
Tang
Xiaoxiang Han
Xiaoxiang
Han
Optimization of Process Variables in the Synthesis of Isoamyl Isovalerate Using Sulfonated Organic Heteropolyacid Salts as Catalysts
SciELO journals
2017
heteropolyacids
ionic liquid
esterification
isoamyl isovalerate
response surface methodology
2017-12-05 10:05:39
Dataset
https://scielo.figshare.com/articles/dataset/Optimization_of_Process_Variables_in_the_Synthesis_of_Isoamyl_Isovalerate_Using_Sulfonated_Organic_Heteropolyacid_Salts_as_Catalysts/5669338
<div><p>Based on single factor experiments, a three level, four variable central composite designs were carried out to establish a quadratic regression model for the catalytic synthesis of isoamyl isovalerate over sulfonated organic heteropolyacid salts as a function of molar ratio of alcohol to acid, reaction time, the amount of water-carrying agent and the amount of catalyst. The optimum conditions were obtained as follows: n (isoamyl alcohol): n (isovaleric acid) = 1.1:1, amount of catalyst was 6.4% of acid, reaction time 2 h and water-carrying agent 10 mL. Under these conditions, the yield of isoamyl isovalerate reached 97.5%. The ionic liquid could be reused six times without noticeable drop in activity. Under optimum conditions, catalysts showed a superior catalytic efficiency and reusability due to better superacidity, lower molecular transport resistance and self-separation characteristics.</p></div>