Separation of the cresol isomers by stripping crystallization

Lie Ding Shiau*, Chih Hao Huang, Keng Fu Liu

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

18 Scopus citations

Abstract

A new separation technique, called stripping crystallization (SC), is applied here in the purification of the cresol isomer. Basically, SC combines distillation and crystallization to produce pure crystals because of the three-phase equilibrium. The experiments show that the SC operation can be applied to purify p-cresol from the cresol isomer whereas it is rather difficult to purify m-cresol. In the purification of p-cresol using SC, the recovery rate increases with increasing operating pressure whereas the final purity of the product decreases with increasing operating pressure.

Original languageEnglish
Pages (from-to)S26-S31
JournalAsia-Pacific Journal of Chemical Engineering
Volume7
Issue numberSUPPL. 1
DOIs
StatePublished - 05 2012

Keywords

  • crystallization
  • m-cresol
  • p-cresol
  • separation

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