Horizontal vs. Vertical Scrubber for offshore facility

Asked by micyo 7 years ago | 1 Answers


1 Answer

0
ChemKB 7 years ago

For offshore facilities a vertical vessel is typically recommended for the following reasons:

  • Typically the rate of liquid accumulation is small, and a vertical separator can provide adequate liquid surge volume in the bottom of the vessel.
  • Smaller footprint.
  • Easier to clean and maintain.
  • A vertical vessel can accommodate a tangential entry nozzle, which promotes removal of entrained liquid from the vapor.
  • Compressor Suction Scrubbers typically have been equipped with wire mesh mist eliminators, which require vertical upflow of gas. For this a vertical vessel accommodates horizontal installation of the wire mesh pad.

A horizontal vessel is preferred due to reasons below:

  • Takes less vertical space, which may be important in some offshore installations.
  • Better liquid slugs handling than horizontal vessels.
  • Vane-type mist eliminator is better accommodated.

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