Diethyl succinate synthesis by reactive distillation

Alvaro Orjuela, Aspi Kolah, Xi Hong, Carl T. Lira, Dennis J. Miller

Research output: Contribution to journalArticle

  • 17 Citations

Abstract

Diethyl succinate is continuously produced from succinic acid and ethanol in a 6-m tall, elevated pressure reactive distillation column. Esterification is carried out in excess ethanol such that water and ethanol are produced in the distillate and diethyl succinate is produced in the bottoms stream. The reaction is catalyzed by Amberlyst 70 cation exchange resin contained in KATAPAK SP-11® structured packing within the stainless steel column. Succinic acid conversions approaching 100%, and diethyl succinate yields of up to 98% have been experimentally achieved in the lab scale column. The esterification process has been simulated using the Radfrac module in Aspen Plus®. Simulations used reaction kinetic and phase equilibrium data collected in our laboratory to predict the steady state stream compositions from the column. Good agreement between experimental and simulation results was observed, thus facilitating the use of the model for design and scale up of the reactive distillation process.

LanguageEnglish (US)
Pages151-162
Number of pages12
JournalSeparation and Purification Technology
Volume88
DOIs
StatePublished - Mar 22 2012

Profile

Distillation
Ethanol
Esterification
Succinic Acid
Cation Exchange Resins
Acids
Stainless Steel
Distillation columns
Reaction kinetics
Phase equilibria
Ion exchange
Stainless steel
Resins
Positive ions
Water
Chemical analysis
diethyl succinate

Keywords

  • Diethyl succinate
  • Esterification
  • Monoethyl succinate
  • Reactive distillation
  • Succinic acid

ASJC Scopus subject areas

  • Analytical Chemistry
  • Filtration and Separation

Cite this

Diethyl succinate synthesis by reactive distillation. / Orjuela, Alvaro; Kolah, Aspi; Hong, Xi; Lira, Carl T.; Miller, Dennis J.

In: Separation and Purification Technology, Vol. 88, 22.03.2012, p. 151-162.

Research output: Contribution to journalArticle

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