KIT | KIT-Bibliothek | Impressum | Datenschutz

Process Intensification in a Double-Pipe Reactor with Additively Manufactured Internal Inserts

Claramunt, Sara 1; Schell, Paul V. 1; Kraut, Manfred ORCID iD icon 1; Stengel, Bruno F.; Kuesters, Christof F.; Dittmeyer, Roland 1
1 Institut für Mikroverfahrenstechnik (IMVT), Karlsruher Institut für Technologie (KIT)

Abstract:

The polycondensation reaction to produce polydextrose can be intensified by using micro-process engineering. Fluid Guiding Elements are additively manufactured internal inserts that have already shown their potential to intensify heat transfer in double-pipe heat exchangers. This study investigated the intensification of the polydextrose yield when these internal inserts were used. Different reactor lengths and internal inserts geometries, as well as different operating conditions, were analyzed. The experiments showed that the reactant concentration had no effect on the product yield. Furthermore, it was shown that the process could be intensified at higher temperatures, with relatively low residence times and lower pressures. It was confirmed that the good heat transfer characteristics of the internal inserts allow them to continuously evaporate water during the reaction and to further reach the required reaction temperature, thus shifting the equilibrium towards the desired product. These findings are of special significance for the optimization of the polycondensation reaction of polydextrose.


Verlagsausgabe §
DOI: 10.5445/IR/1000152251
Veröffentlicht am 04.11.2022
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Mikroverfahrenstechnik (IMVT)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2022
Sprache Englisch
Identifikator ISSN: 2305-7084
KITopen-ID: 1000152251
HGF-Programm 38.03.02 (POF IV, LK 01) Power-based Fuels and Chemicals
Erschienen in ChemEngineering
Verlag MDPI
Band 6
Heft 6
Seiten Art.-Nr.: 85
Bemerkung zur Veröffentlichung Gefördert durch den KIT-Publikationsfonds
Vorab online veröffentlicht am 02.11.2022
Schlagwörter process intensification; additive manufacturing; micro-process engineering; heat exchangers; polycondensation; polydextrose
Nachgewiesen in Dimensions
Scopus
KIT – Die Forschungsuniversität in der Helmholtz-Gemeinschaft
KITopen Landing Page