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  • Users: jamiegla1
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  1. jamiegla1

    Air stripping sulfuric acid

    Hello and thanks in advance for any help. I am trying to troubleshoot a small air stripping tower that removes dissolved chlorine from 75% sulfuric acid solution. The flowrate of sulfuric is 2.5GPM with ~1200 ppm Cl2. Only 700 ppm of Cl2 is being removed. The air flows at 5psig and 50SCFM. Tower...
  2. jamiegla1

    Ammonium Bisulfide Corrosion

    Hello, Does anyone know the corrosion mechanism associated with ammonium bisulfide? Is this mostly a corrosion/erosion issue? Also, is Inconel 625 an acceptable alloy to protect against it? Thanks in advance for any help. Jamie
  3. jamiegla1

    Effect of PWHT on CS

    Does anyone know of the benefit of post weld heat treating a carbon steel vessel (the entire vessel) with regards to sulfide corrosion? If treated, will the vessel be more resistant? Would cladding with inconel 625 be better? Thanks in advance, Jamie
  4. jamiegla1

    Automatic Recirculation Valves vs Control Valves

    Hello all. Im looking for some opinions on the quality of auto recirc valves (Yarway, Schroedahl) vs control valves for pump protection at minimum flow. Are some auto recirc valves better than others? Just a little background...DP across pump during min flow is from 1000 to 140 psig and 320GPM...
  5. jamiegla1

    Restriction Orifice

    Hello all, I am trying to size a restriction orifice that will drop the pressure in a line from 1000psi to ~300psi. Flow is 300GPM in a 3" line. Would venturi be better in this case and would the high DP destroy the RO? Any good eqns to size this? Ive been ref. Crane 410. THanks!

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