PURIFICATION OF ORGANIC CHEMICALS BY ZONE MELTING.

Marjatta Louhi-Kultanen, Ilpo Silventoinen, Seppo Palosaari

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Abstract

Purification of naphthalene and stearic acid by zone melting was studied. The effects of the crystallization velocity and mixing intensity of the melt on the purity of the crystal were investigated by applying the solution of the diffusion equation where the necessary boundary layer thickness was calculated from correlations in the literature. The calculated values are compared with experimental values. The results can be used for estimation of the optimum mixing intensity and crystallization velocity.

Original languageEnglish
JournalActa Polytechnica Scandinavica, Chemical Technology and Metallurgy Series
Issue number182
Publication statusPublished - 1988
MoE publication typeA1 Journal article-refereed

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