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               Clinical Pharmacy-Pharm D        Level Three        2  Semester       2024/2025      Pharmaceutical Technology (PT 607)


               2) Falling (Descending)  film evaporator
                                                     1   Feed                   6   Product




                                                     2   Steam                  7   Vapors



                                                     3   Open-ended             8   Evaporator

                                                        tubes                       body


                                                     4   Drips                  9   Vent




                                                     5   Cyclone

                                                        separator


               Explain why falling film evaporator is used for evaporation of viscous

                    solutions?
               Because of being inverted, the liquid movement and film formation is
               assisted by gravity so used for viscous liquids.

               Let’s Scan the following QR codes about Evaporation Equipment.
                                 Tubular evaporator                   Climbing film evaporator
                                  (high surface area)
















                                                    Falling film evaporator

















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