Although the separation of eutectic-forming organic mixtures by crystallization has the advantage of requiring only one stage in principle, the yield of the crystalline product is limited by the formation of eutectic mixtures. To separate the eutectic mixture without introducing additional operations which lead to larger energy consumption and contamination by the added materials, the idea of a combined crystallization process has been proposed.2) In the present paper, a brief description of

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... principle and several experimental results are presented.