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How to select various types of separation internals?

asked Dec 27, 2015 in Process by ChemKB (8,210 points)

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answered Dec 27, 2015 by cobiesmith (3,310 points)

The choice of internal depends on the required duty.

Some of the options include:

  • wiremesh

  • vane pack (either for horizontal or vertical flow)

  • (multi)cyclones

    • −  axial flow (e.g. "swirltubes")

    • −  reversed flow (tangential)

  • filter candles

A combination can also be used, such as:

  • wiremesh + swirltubes (in SMS)

  • wiremesh + swirltubes + wiremesh (in SMSM)

  • vertical-flow vane + swirltubes (in SVS)

  • filter candles + vane pack or wiremesh (in two-stage filter separator)

Selection depends on the required efficiency, capacity, turndown, maximum allowable pressure drop and fouling tolerance. 

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