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  1. airbus

    high pressure gas in stream to storage

    Is there such a device to trap and release any high pressure gas that could get into stream to storage (i.e. loss of water boot level in overhead receiver ) before it gets into the tank? I heard there is a "vapor trap" (don't know if this is the correct terminology), but my searches don't throw...
  2. airbus

    Kerosene Tank Inlet nozzle

    It has been asked if we can pull a Kerosene tank completely empty, all available product pumped out. I have heard that the product inlet nozzle should be kept submerged (level above nozzle height) beieng the reason the prevention of the product flasing in the tank. If this is a misconception or...
  3. airbus

    Slop Oil Chemical Treatment-residence time

    I get a bit upset when I ask a chemical reps about what would be their chemical ttreatment recommendation on for a new slop oil treatment system. The answer I get covers the basics such as this many pumps, heat source (sometimes), mixing source (hardly ever mentioned), type of chemical/dosage...
  4. airbus

    Intermitent flow in Safety Shower / Eye Wash

    In our routine Safet checks, a Safety Shower was flunking the "bucket" test due to intermittency of flow of water. It was found that the main cause was "hardness" particles plugging the shower head spray nozzles and the eye wash internal tubing (& filters). Our recommendation is to flush the...
  5. airbus

    Rotary Lobe Pumps

    Has anybody used rotary lobe pumps in DAF units as sump pumps? Or any oil recovery service similar to a DAF Unit? The orignal pump was a centrifugal pump with an uplift of 64.7 ft and it never worked. Ever since we use air pumps one at a time and we have 5 of them. We just replace them when they...
  6. airbus

    PSV label changed to PV

    From a PSV evaluation, it was determined that there are no applicable relief cases associated with a couple of PSV installed at the discharge line of a couple of small sampling pumps at a Blender system. From the study it was recommended to remove the PSV's from service. However, in order to...
  7. airbus

    Maximun working level for a Butane storage tank (52 ft sphere)

    How will you determine the maximum working level of a Butane (51.6 psia @ 100°F) storage tank (sphere) which has PSV's set a 100 psig? How will this level vary with higher vapor pressure (i.e. say you store material with a 72.2 psia)?
  8. airbus

    Flare Gas Measurement devices

    What have been your experience with Flare gas flow meters? Our refinery (2 Plants) has three flares and measures the gas going into the flares stack (GE Sensing) after Water Seal Drums. On the case of one of the Plants, on ocassions of events of high pressures, when both flare gas meters should...
  9. airbus

    Handling ethanol-gasoline vapors

    I'm looking for information of refineries experiences handling ethanol-gasoline vapors from truck loading racks in their flare system, and the impact ethanol has in the operation of the waste water treatment plant. In some systems, these vapors will mix with water (in headers, FGR units, Faler...
  10. airbus

    Tank gases scrubbers

    New regulations will require to control the gas emissions from tanks with internal floating roof whenever they land the roof on legs. Are there systems presently in use to scrubb & destroy the emitted gases? IF so, what are they? Any references (Houston, California?)
  11. airbus

    Floating roof oil sump design

    Our Waste water equalization tanks floating roof design has a round sump 3 ft Diameter x 2 ft Height. It has 19 vertical slots 6 inches long x 1 inch wide. The problem that we have is that these slots get clogged up with trash thus interrupting the continuous oil removal operation. I'm looking...
  12. airbus

    PD Screw Pump - spillback controller stop ratling noise?

    This Delaval GTS pump is in sweet cat feed transfers service, and per our operators assessment, its operation is rough. By rough meaning a vibrating, ratling noise kind of operation. In order to attenuate the roughness, they start openning the spillback globe valve. This pump has a history of...
  13. airbus

    Pump Cavitation

    If a pumps is dead headed, how would you determine the time it would take to cavitate? How this time compares to reality? Could it cavitate inmediately?
  14. airbus

    CPI separators packed media

    Are there guidelines to compare performance of inclined plates versus cross-flow plates in CPI seprators? What are the main parameters to use?
  15. airbus

    separator design

    J.Y.C.<br>You might want to check the &quot;separators&quot; section in Perry's Chemical Engineers'Handbook (see Index) which list a variety of them.<br>AIRBUS
  16. airbus

    Abrasion on steel pipe caused by the sand in heavy crude

    epoxy,<br><br>I don't have an answer for you, but I do know that Union Carbide's Linde used to have a sandjetting proces to clean crude heaters ppes (internally) and some of the side effects of the process was the abrasion of the &quot;u-bends&quot;. Give the a shot. I know they were located in...
  17. airbus

    Brent Crude Oil Assay Data

    mbeychok,<br><br>You might want to check with the Oil&Gas Journal archives. I've seen it in one of their sections (Updated Crude assays) in the past ten years or so. I'm sorry, but I don't have a web site to direct you to.<br><br>Airbus
  18. airbus

    Crude Oil Assay

    ajnagy,<br><br>I know somebody that might be able to help you. However, please get in contact with him first via e-mail. Let him know Airbus refered you. <br><br>Airbus<br><br>Robert A. Ludolph<br>E-mail Address(es):<br>&nbsp;&nbsp;<A...
  19. airbus

    Chemical Processing magazine

    Tatiana,<br><br>You might want to check the Hydrocarbon Processing Magazine at <A HREF="http://www.hydrocarbonprocessing.com" TARGET="_new">http://www.hydrocarbonprocessing.com</A><br>Good luck,<br>Airbus
  20. airbus

    Help Me.... SRK for Method BP

    Juan, (I am asking Juan to write his question in Spanish.) <br> Siento mucho pedirte que me expreses tu problema en Español. Yo me perdi leyendola en Ingles, por que esta un poco confusa de la manera que la expresastes. Escribeme a <A HREF="mailto:arbues@jorsm.com">arbues@jorsm.com</A> .<br>

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