Thin film evaporator

Agitated Thin Film Evaporator (ATFE), also known as wiped Film Evaporator, is a vertical cylindrical heated body with an internal rotor. The feed is introduced above the heated zone and is distributed as a thin layer on the inner surface of wall through rotating blades. By the action of rotor, highly turbulent flow is generated. Volatile components are easily evaporated and non-volatile components are discharged at the outlet. In short-path wiped film evaporators there is an internal condenser and in such a case the average distance travelled by vapors to collide the condenser is significantly shorter. Therefore, a large portion of vapors are condensed and high efficiency is achieved.

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