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  1. SEAGRAVES

    HYSYS MDEA SIMULATION

    Dear Mondolfi, Glad you found the bug. I would have never thought that the NH3 would trigger it.
  2. SEAGRAVES

    HYSYS MDEA SIMULATION

    Dear Mondolfi, I'm not a Hysys user. I've used Aspen and other programs for amine simulations before. Here's an idea....have you checked whether you specified the H2S and your other gas components as a Henry's component? This is something I've encountered in Aspen that makes a difference in...
  3. SEAGRAVES

    Heat exchanger fouling in Tail Gas Treating Unit of Sulfur Plant

    It is not typical to have a spare heat exchanger. Nor is it typical to have plugging this frequently. What is causing the plugging of the exchanger? Iron Sulfide? Iron Carbonate? You may want to track down the source. Your amine vendor may be able to give you some assistance.
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