Effective separation of succinic acid by combined crystallization

Eun Hye Kim, Seong Sik You, Jeong Won Kang

Research output: Contribution to journalArticle

Abstract

Succinic acid, which is widely used as a building block chemical, can be produced from either petroleum or renewable resources. Bio-based production of succinic acid requires several purification steps, and the yield of any particular separation method is an important factor in facilitating an economic design. Crystallization is a common method for the purification of succinic acid, and several driving forces can be used to generate solubility changes in the solution. In this work, three driving forces of crystallization - cooling, acidification, and salting out - were examined individually and combined to achieve maximum yield from a solution of succinic acid. It was found that combined crystallization can significantly improve the yield (97.08%) compared with conventional cooling crystallization (84.31%) or acidification (66-67%). Additionally, a basic kinetic study was performed, and a total of 7minutes of batch operation was sufficient to produce the maximum amount of crystals.

Original languageEnglish
Pages (from-to)1-6
Number of pages6
JournalKorean Journal of Chemical Engineering
DOIs
Publication statusAccepted/In press - 2017 Sep 29

Fingerprint

Succinic Acid
Crystallization
Acids
Acidification
Purification
Cooling
Petroleum
Solubility
Crude oil
Crystals
Economics
Kinetics

Keywords

  • Acidification
  • Cooling Crystallization
  • Salting-out Crystallization
  • Succinic Acid

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Effective separation of succinic acid by combined crystallization. / Kim, Eun Hye; You, Seong Sik; Kang, Jeong Won.

In: Korean Journal of Chemical Engineering, 29.09.2017, p. 1-6.

Research output: Contribution to journalArticle

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