JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
Print ISSN : 0021-9592
Original Papers
Sorption Kinetics of Citric Acid from Aqueous Solutions by Macroporous Resins Containing a Tertiary Amine
Ruey-Shin JuangTzung-Chiang Chou
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1996 Volume 29 Issue 1 Pages 146-151

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Abstract

The rates for the sorption of citric acid from relatively concentrated aqueous solutions (0.05–0.2 mol/dm3) with macroporous resins containing tri-n-octylamine (TOA) were measured in finite bath. Experiments were carried out as functions of citric acid concentration in the aqueous phase, TOA concentration in the resin phase, and temperature. It was shown that the kinetic data could be well described by the Elvoich equation. Rate equations for the sorption processes were obtained and the activation energy was also determined.

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© 1996 The Society of Chemical Engineers, Japan
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