Particle Technology

gas cleaning

Problems 14.6

Question 2.ii


The settling chamber below is to be used to collect particles 50 micron diameter and 2000 kg m-3 density from a stream of 10 m3 s-1 of standard air. The chamber is 1.5 m high and wide.


settling chamber

Note that air flow in is on the left and air flow out is on the right.


The residence time horizontally is, where n is the number of channels, (s):

  a) 1.5WL/Q
b) 1.5WL/nQ
c) 1.5Wn/Q
c) 1.5WLn/nQ
Note, select the best (i.e. easiest) equation to use.

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