In-process ATR-FTIR spectroscopy for closed-loop supersaturation control of a batch crystallizer producing monosodium glutamate crystals of defined size

Heidi Grön, Antonia Borissova, K. J. Roberts

Research output: Contribution to journalArticle

120 Citations (Scopus)

Abstract

Closed-loop computer control of solution supersaturation based on in-process measurements of the concentration using ATR-FTIR spectroscopy and adaptive determination of the corresponding temperature profile has been applied to control the crystallization of monosodium glutamate from an aqueous solution. The crystal size and its distribution are varied and optimized by applying different control strategies such as rapid desupersaturation, constant supersaturation, and step-changing supersaturation profiles.

Original languageEnglish
Pages (from-to)198-206
Number of pages9
JournalIndustrial and Engineering Chemistry Research
Volume42
Issue number1
Publication statusPublished - 8 Jan 2003

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