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  1. Hydrotreaters

    restriction orifice bore calculation

    Thank you Morten!
  2. Hydrotreaters

    restriction orifice bore calculation

    Hello guys! Can anyone give me a formula or a worksheet for the calculation of a restriction orifice (both for gas and liquid service). Many thanks!
  3. Hydrotreaters

    MOVs and GBS

    Thank you guys for the responses. we will be blending 4 grades of gasoline, usually one grade a day or more frequent depending on the product demand/liftings. we'll be using MOVs to minimize human intervention and do the blending faster (i.e. without waiting for the operator to open/close a...
  4. Hydrotreaters

    MOVs and GBS

    Hello Guys! Just want to solicit you rexpert opinion on MOVs (motor operated valve) and GBS (maual valves with positional switch). When do you use an MOV and not GBS, or GBS and not MOV? The installation of MOVs and GBS is part of the automation of our mogas blending (in-line blending); we...
  5. Hydrotreaters

    radar level gauge for LPG spheres

    As part of our Off-sites Automation Project (OAP) which is now on the early part of the EPC phase, we are planning to replace the existing Sakura servo gauge in our LPG spheres with radar level gauge. However, we have received conflicting reports on the applicability of radar gauges for LPG...
  6. Hydrotreaters

    radar level gauge for LPG spheres

    s part of our Off-sites Automation Project (OAP) which is now on the early part of the EPC phase, we are planning to replace the existing Sakura servo gauge in our LPG spheres with radar level gauge. However, we have received conflicting reports on the applicability of radar gauges for LPG...
  7. Hydrotreaters

    As part of our Off-sites Automation

    As part of our Off-sites Automation Project (OAP) which is now on the early part of the EPC phase, we are planning to replace the existing Sakura servo gauge in our LPG spheres with radar level gauge. However, we have received conflicting reports on the applicability of radar gauges for LPG...
  8. Hydrotreaters

    naphthenic acid reaction

    Is the reaction of naphthenic acid with sodium hydroxide (caustic) reversible? One issue in our investigation of the tube leak inone of our exchangers is the reversibility of the above reaction which caused a caustic stress corrosion cracking.
  9. Hydrotreaters

    Asphaltene in Kero Merox

    Has anyone of you experienced having asphaltene like substance in the wash water drum of the kero merox unit. If yes, how were you able to solve the problem? What were your findings?
  10. Hydrotreaters

    Asphaltene in Kero Merox

    Has anyone experienced finding asphaltene-like substances in water wash drum of kero merox unit? If yes, what are your findings on the likely causes?

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