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In order to minimise any disturbance of the oil/water interface in a two-phase liquid / liquid separator, we recommend the insertion of an Optimised ZP-Vane Type Inlet Device. Due to the gently curved nature of the vane and the large area of the inlet device, low velocities are achieved at the outlet of the device, thus minimising risks of droplet shatter and optimising the oil/water separation.

The optimised vane type inlet device will have the same attributes as our standard vane type inlet device, but will be able to handle a high liquid loadings under flooded conditions and direct the flow to the interface.

Advantages of the Optimised ZP Vane Type Inlet Device:

  • Separates the bulk liquids present within the inlet stream
  • Reduces the momentum of the inlet stream, thus minimising the potential for droplet shatter
  • Wide operational range - typically providing 100% turndown
  • Reduces any turbulence and re-circulation within the liquid section
  • Provides a minimal pressure drop
  • Reduces the size of the inlet nozzle on a new build project
  • Allows a greater fluid throughput for a set nozzle size, on a revamp project
  • Easy to install in new and existing separators
  • No moving parts, thus no maintenance.

Applications of the Optimised ZP Vane Type Inlet Device:

  • Liquid/liquid separation only

Case Studies

Glycol Contactor Flow Assurance

When a glycol contactor contains an integral scrubber section, a key consideration in the design of the separation internals is that the distribution at each stage should be as nearly uniform as possible across the flow area. CFD provides a useful tool by which the flow through the internals, and their effect on the downstream processes, can be examined.

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