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    Get the inside story
    on Zeta-pdm's
    separation technology

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    Separation solutions
    built to last a lifetime

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    With a no failure record,
    Zeta-pdm's technology
    speaks for itself

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    Our 'whole lifecycle'
    approach is trusted by
    leading global players

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Zeta-pdm delivers practical and credible engineering, process design expertise, and efficient separation solutions, based on the extensive range of "state of the art" internals technology within the Zeta Group. This technology comprises:

  • Consultancy Services – Process Design Studies, Computational Fluid Dynamics (CFD), Finite Element Analysis (FEA).
  • Inlet Devices – ZP-4G® Inlet Cyclones, Various Vane Type, ZSQ® Enhanced Deoiling / Degassing, ZPV Inlet.
  • Distribution/Calming Devices – Perforated, ZHB® Distribution Baffle, ZVB® Calming Baffle, ZSV & ZPC Straightening Baffle.
  • Liquid/Liquid Coalescing Devices – Mesh Type, Plate Pack Type.
  • Gas/Liquid Coalescing Devices – Wire Mesh Type, Vane Types.
  • Gas/Liquid Demisting Devices – 4G-FD® Demisting Cyclones, Vane Types, Wire Mesh Type, In-line Gas Cleaner (IGC).
  • Miscellaneous Internals – Defoaming Internals, Degasser Internals, Sand Jetting Vortex Type Sand Removal Systems.

Case Studies

Slug Catcher Flow Assurance

Gas production systems may operate in the "slug flow" multiphase regime in which large volumes of liquid are interspersed with the gas. Under these conditions, the arrival of the liquid slugs can be detrimental to separation performance and the mechanical stress levels are greatly increased. In the example shown below, Zeta-pdm was asked to analyse the failure of a slug catcher vessel. Inspection showed that the slugs had caused mechanical failure of the separation internals. Subsequently, a simulation study yielded a vastly improved understanding of the flow behaviour, enabling Zeta-pdm to recommend internals better able to withstand severe operating conditions.

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