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Pressure drops per theoretical stage of Mellapak packing’s are?(a) 1.0 to 2.1 mbar(b) 0.3 to 1.0 mbar(c) 2.3 to 1.2 mbar(d) 5.6 to 7.3 mbarThe question was posed to me in an online quiz.My query is from Types of Random Packing topic in section Packing Design and Operation of Distillation Design

Answer»

Correct option is (b) 0.3 to 1.0 MBAR

The explanation is: Pressure drop PER theoretical stage is 0.3‑1.0 mbar and the pressure drop at 70‑80% flooding about 2 mbar/m while MINIMUM liquid load approx. is 0.2 m^3/m^2h.



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