2002
DOI: 10.1002/jctb.744
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Analysis of the elimination process of polymerisation inhibitors from styrene by means of adsorption

Abstract: This work is focused on the analysis, modelling and scale-up of a process of styrene purification. The first step in synthetic rubber production is to eliminate 4-tert-butylcatechol (TBC) which is added to styrene to prevent homopolymerisation during transport and storage. This process is carried out on an industrial scale by means of adsorption onto activated alumina. Equilibrium experiments at 10°C correlated to the Langmuir-Freundlich equation:

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Cited by 10 publications
(13 citation statements)
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“…The mathematical tool chosen for this purpose was gPROMS 1.6B. The parameters needed to describe this adsorption system following the model described previously were evaluated taking into account experiments carried out in the laboratory 38…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…The mathematical tool chosen for this purpose was gPROMS 1.6B. The parameters needed to describe this adsorption system following the model described previously were evaluated taking into account experiments carried out in the laboratory 38…”
Section: Resultsmentioning
confidence: 99%
“…The value of the diffusivity in the pores was obtained by comparing the experimental breakthrough curves obtained in laboratory scale experiments with the simulated curves. A value of 6.101 × 10 −9 m 2 s −1 was found 38…”
Section: Mass Transfer Modelmentioning
confidence: 92%
“…ppb-Bereich) aus der flüssigen Phase. Obwohl bereits Prozesse im industriellen Maßstab betrieben werden [4,5], sind viele Details der Flüssigphasenadsorption nicht ausreichend verstanden. Um eine fundierte, weniger empirisch basierte Auslegung dieser Prozesse zu ermöglichen, wird in einem Forschungsprojekt an der Universität Duisburg-Essen die Adsorption von aromatischen Verbindungen aus organischen Lösungsmit-teln mit Hilfe von Aktivkohle systematisch untersucht.…”
Section: Introductionunclassified
“…Die Erfüllung dieser strengen Spezifikationen gelingt nur durch die adsorptive Abtrennung von Spurenverunreinigungen. Beispiele für Anwendungen der Adsorption aus der flüssigen Phase sind die Entfernung von 4-tert.-Butylcatechol aus Styrol [1,2] und die Adsorption von Peroxiden aus Acrylnitril [2] mithilfe von Al 2 O 3 . Trotz dieser bereits im industriellen Bereich etablierten Anwendungen sind bis heute noch viele Details der Flüssigphasenadsorp-tion nicht ausreichend erforscht.…”
Section: Introductionunclassified