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  1. jensen41455

    Personal Exposure Limits for DGA

    I have been looking for a couple of weeks now and I can't find any information on Personal Exposure Limits for Diglycolamine. We use both DGA and TEG (Triethylene Glocol) in our plant and I was able to find the PELs for TEG, but I can't find anything on DGA. Both of them are Huntsman products...
  2. jensen41455

    Diglycolamine Plant Design Question

    The information on the variable drives I recieved was from Reliance. I'm only going by what I have found. http://www.reliance.com/prodserv/standriv/appnotes/d7736.pdf We don't have an amine surge tank, but I believe I'm going to build some piping to try plumbing it in to the flash drum and if...
  3. jensen41455

    Diglycolamine Plant Design Question

    Well I checked on the VFD and cannot find a manufacturer that makes a VFD for a Class 1 Div. 2 electric motor (which we use). This has something to do with not being able to effectively and accurately monitor the internal temperature on a sealed motor and Div. 2 motors are not fully labeled for...
  4. jensen41455

    Diglycolamine Plant Design Question

    Thanks for the help guys. I'll look in to a VFD (the company is pretty cheap) and I'll see about running it in to the flash drum.
  5. jensen41455

    Diglycolamine Plant Design Question

    Ok well to begin with it is an electrically driven gear pump. We only get air bubbles in the system when we break the piping apart for repairs (something that happens fairly frequently). The pump is designed to output 10 gpm, but we reduce the flow via bypass to prevent sweeping the DGA out of...
  6. jensen41455

    Diglycolamine Plant Design Question

    We run a DGA/TEG pretreatment system at our LNG plant and I've been trying to convince my boss to make a few changes to it to make things better. It is only a 5 GPM system, but the pump we use puts out 10 GPM. We use a bypass to regulate the flow in to the contactor. The bypass used to be routed...

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