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On-line analytical techniques for monitoring crystallisation processes of organic speciality chemicals

  • M. Baker
  • , Zhiyi Cao
  • , D. Dale
  • , P. Erk
  • , L. Ford
  • , H. Groen
  • , D. Latham
  • , R. B. Hammond
  • , X. Lai
  • , K. Liang
  • , D. Merrifield
  • , P. Mougin
  • , R. Oliver
  • , D. Roberts
  • , K. J. Roberts
  • , N. Savelli
  • , A. Thomas
  • , G. White
  • , D. Wilkinson
  • , W. Wood

Research output: Contribution to journalArticlepeer-review

Abstract

In order to examine on-line batch crystallisation processes a new integrated batch process engineering laboratory has been established providing facilities for the on-line measurement and control of: reactant supersaturation via ATR-FFIR spectroscopy; crystal size via acoustic attenuation spectroscopy; particle perfection and polymorphic form via X-ray diffraction; crystallisation on-set and meta-stable zone width via UV vis spectroscopic turbidometric measurements. These facilities are complemented via assessment of reactant mixing as measured via laser doppler anemometry and simulated using multi-phase computational fluid dynamics. An overview of the planned research programme and material systems to be examined are presented.

Original languageEnglish
Pages (from-to)273-287
Number of pages15
JournalMolecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals
Volume356
Publication statusPublished - 2001
Event14th International Conference on the Chemistry of the Organic Solid State - Cambridge, United Kingdom
Duration: 25 Jul 199930 Jul 1999

Keywords

  • Batch processing
  • Crystallisation
  • On-line analytical techniques
  • Process mixing scale up

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