Oct 01, 1992 · Thin film evaporators with a rotating wiper system allow operation at short residence time of the product; their large open space enables distillation at high vacuum. Heat-sensitive material can therefore be ther- Performance of thin-film distillation and its application:R. Billet mally processed without product decomposition.
Jun 28, 2019 · With Stainless Steel Thin Film Distillation technology, this 0.3 m 2 short path distillation evaporator outperforms every other unit in its price class. (Stainless Steel, Single Stage, 0.3 m 2) System Highlights:0.3 m 2 Thin Film Evaporator for Evaporation System De Dietrich Thin-film or thin-layer evaporators have been developed to purify temperatures sensitive products by evaporation. The temperature sensitive product can be both the high and the low boiling component in the mixture. The target was to operate at low evaporation temperatures means low vacuum and to minimize the residence time of the product in the evaporator.
An LCI agitated thin film evaporator (TFE) or wiped film evaporator (WFE or "wiffe") provides short residence time and open, low pressure drop configuration, allowing continuous, reliable processing of many heat sensitive, viscous, or fouling materials without product degradation. Thin Film Evaporator Thin film evaporators from laboratory to production scaleIn a wiped film evaporator or a thin film evaporator, a rotating wiper system distributes the crude product to a film on the inner surface of a heated pipe. The wiping system speeds up the evaporation process by keeping the product film turbulent so that the heat transfer and mass transfer are optimized. The lower boiling fraction of the raw material evaporates within a short time out of the product film; the residence time of the product at the evaporator
Jan 05, 2021 · Some alternative names are thin film, wiped film, rolled film, or just short path distillation. One thing all these systems have in common, however, is the operating principle of creating a thin film inside the evaporator. When a compound is spread thinly, it makes it much easier to evaporate. Thin Film Evaporation And Distillation Processes - What Sep 12, 2018 · Known as thin film distillation , it occurs in specialized equipment that generates the film using intense mixing at the surface of the evaporator cylinders. Where fraction is not required, thin film distillation is typically preferred for its high evaporation
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