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Primary nucleation of vanillin explored by a novel multicell device
KTH, Superseded Departments, Chemical Engineering and Technology.
2003 (English)In: Industrial & Engineering Chemistry Research, ISSN 0888-5885, E-ISSN 1520-5045, Vol. 42, no 20, 4899-4909 p.Article in journal (Refereed) Published
Abstract [en]

A novel multicell apparatus is designed, constructed, and used to investigate crystal nucleation of vanillin in water/2-propanol solution (20 mass % of 2-propanol on a solute-free basis). The device contains 15 nucleation cells, with volumes of about 6 cm(3) each, in which the induction times for nucleation are measured simultaneously. The nucleation in the cells is continuously video-recorded and analyzed offline. The induction time for nucleation of vanillin is determined at various levels of supersaturation and temperature, and by classical nucleation theory the solid-liquid interfacial energy is estimated to 7.3 +/- 0.2 mJ m(-2). A large variation in the experimental data is observed, and this variation is analyzed by statistical methods.

Place, publisher, year, edition, pages
2003. Vol. 42, no 20, 4899-4909 p.
Keyword [en]
homogeneous nucleation, induction periods, kinetics, crystallization, crystals, growth, paracetamol, sulfate, time
Identifiers
URN: urn:nbn:se:kth:diva-22851DOI: 10.1021/ie0210412ISI: 000185616700045OAI: oai:DiVA.org:kth-22851DiVA: diva2:341549
Note
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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Rasmuson, Åke C.
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