Kinetics of mixed succinic acid/acetic acid esterification with Amberlyst 70 ion exchange resin as catalyst

Alvaro Orjuela, Abraham J. Yanez, Arati Santhanakrishnan, Carl T. Lira, Dennis J. Miller

Research output: Contribution to journalArticle

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Abstract

Liquid phase esterification of succinic acid, acetic acid and succinic/acetic acid mixtures with ethanol was studied using Amberlyst 70 strong cation exchange resin as catalyst. Batch isothermal reactions were performed at different ethanol:acid molar ratios (1:1-27:1), temperatures (343-393. K) and catalyst loadings (1.0-9.3. wt% of solution). Esterification kinetics is described using both pseudo-homogeneous mole fraction and NRTL-based activity based models that take ethanol dehydration to diethyl ether into account. The models accurately predict the esterification of individual acids, and a simple additive combination of independent kinetic models provides a good description of mixed acid esterification. The kinetic models can be used in simulation of reactive distillation processes for mixed acid esterification.

LanguageEnglish (US)
Pages98-107
Number of pages10
JournalChemical Engineering Journal
Volume188
DOIs
StatePublished - Apr 15 2012

Profile

Ion Exchange Resins
Ion exchange resins
Esterification
Succinic Acid
Acetic acid
Acetic Acid
acetic acid
resin
ion exchange
catalyst
kinetics
Catalysts
Kinetics
Acids
acid
ethanol
Ethanol
Cation Exchange Resins
Dehydration
distillation

Keywords

  • Acetic acid
  • Amberlyst 70
  • Diethyl succinate
  • Esterification
  • Reactive distillation
  • Succinic acid

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Chemistry(all)
  • Industrial and Manufacturing Engineering
  • Environmental Chemistry

Cite this

Kinetics of mixed succinic acid/acetic acid esterification with Amberlyst 70 ion exchange resin as catalyst. / Orjuela, Alvaro; Yanez, Abraham J.; Santhanakrishnan, Arati; Lira, Carl T.; Miller, Dennis J.

In: Chemical Engineering Journal, Vol. 188, 15.04.2012, p. 98-107.

Research output: Contribution to journalArticle

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AU - Miller,Dennis J.

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