Fractional Distillation

Fractional Distillation

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Heat sensitive products having closer boiling points of the lighter and the heavier fraction are difficult to be separated in single stage systems. Combining packed fractional distillation columns with thin film or wiped film evaporators as reboilers improve the separation of such products. The larger number of theroetical stages in the fractional distillation column allows good product yields and purities. The low residence time in the reboiler as well as the low operating pressures avoid thermal degradation of valuable products. The purification of flavor and fragrances, special nutitional products, Omega-3-fatty acids, heat instable fine chemicals or pharmaceuticals are some application examples for this process solution.
VTA GmbH & Co. KG3.0H60VTA is a manufacturer of wiped film and short path evaporators and plants with sizes from laboratory, pilot until large production scale. For many products the evaporation technology is key for achieving sufficient product quality at decent yields. The fields of application and industries are diverse and require highly specific solutions. On wiped film and short path distillation systems operating pressures down to 0,001 mbar and temperatures up to 350°C can be achieved. Furthermore, products with viscosities of more than 100.000 mPas and melting points of more than 200°C can be handled. VTA has on its headquarters in Niederwinkling (Bavaria), Germany, own equipment for wiped film and short path distillation available to perform contract manufacturing for customers. This toll distillation is performed for campaign sizes starting with some kg up to several hundred metric tons.

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