TY  - JOUR
TT  - Application of Green Catalysts for the Esterification of Benzoic Acid with Different Alcohols
AU  - Sert, Emine
AU  - Atalay, Ferhan S.
PY  - 2017
DA  - December
DO  - 10.18466/cbayarfbe.370364
JF  - Celal Bayar University Journal of Science
JO  - CBUJOS
PB  - Manisa Celal Bayar University
WT  - DergiPark
SN  - 1305-130X
SP  - 907
EP  - 912
VL  - 13
IS  - 4
KW  - benzoic acid
KW  - catalysis
KW  - deep eutectic solvent
KW  - esterification
KW  - ionic liquid
KW  - ion exchange resin
N2  - In this study, three different catalystswere applied as catalysts for esterification of benzoic acid with ethanol,butanol and hexanol. These catalysts are ionic liquid, deep eutectic solvent,ion exchange resin. Amberlyst 15, ion exchange resin, was used as controlcatalyst to observe the catalytic activity of new generation solvent, deepeutectic solvent. Deep eutectic solvents show the similar properties with ionicliquids and have great attraction due to ease of preparation, low cost andenvironmentally friendly nature. They have many advantages such as reusability,stability, catalytically activity and removal of the reaction mixture. Deepeutectic solvents (DES) are composed hydrogen bond donor (HBD) and hydrogenbond acceptor (HBA). It has lower freezing point than that of individualconstituents. In this study, p-toluenesulfonic acid (p-TSA) was used as HBD, benzyl tri-ethyl ammonium chloride(BTEAC) was used as HBA. DES formed by p-TSA and BTEAC was used as dualsolvent-catalyst for esterification of benzoic acid with different alcohols.DES gave high catalytic activity among three different catalysts, 88.3, 87.8and 67.5% conversion of benzoic acid for ethanol, butanol and hexanol,respectively. The effects of time, temperature, alcohol type and catalyst typewere investigated in a batch reactor at specified conditions. It was found thatDES provided the simple, efficient and environmentally friendly method for thesynthesis of benzoic acid ester.
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UR  - https://doi.org/10.18466/cbayarfbe.370364
L1  - https://dergipark.org.tr/en/download/article-file/394909
ER  -