Pressure Drop in Packed Bed Reactors: ConcepTest and Example Problem

Try to answer this ConcepTest and solve the example problem before using this module. Studies show that trying to answer the questions before studying material improves learning and retention. We suggest that you write down the reasons for your answers. By the end of this module, you should be able to answer these on your own. Answers will be given at the end of this module.

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Example Problem 1

A gas flows through a packed bed. Using the properties of the packed bed and of the gas, determine the outlet pressure.

Packed bedFeed Gas
void fraction = 0.4050 kg/h feed rate
particle diameter = 0.5 cmmolecular weight = 55 g/mol
inside diameter tube = 5 cmviscosity = 2.3 x 10-5 kg/m·s
length = 30 mpressure = 12 bar
150°C, isothermal