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Thank you for replays. About ethane the Critical temperature is 32.17°C and the Critical pressure is 48.72 bar. The operating inlet pressure at the mentioned pump station would be ~60 bar which need to be pressurized to ~95bar. According to simulation results, the operating inlet density is...

I looking for the properties of the Equipment that we can use to pump a gas in dense phase. What do you name it? Pump or Compressor? Do you know any licensor in this issue?

I am working on Simulation of a Hydrogen Purification PSA unit which uses 5 types of Adsorbents in 5 layers within each of the PSA adsorber vessels. The mentioned PSA unit is licensed by Linde. The problem is that I do not have any information about these Adsorbents: LMS G200B LAC 612 LA 20 LA...

Dear zdas04, Thank you for replay. You are absolutely true. Exactly my problem is the selection of the discharge flow rate you mentioned. Are there any rules of thumbs.

In my thoughts, practically the PSV acts when the input flow rate is zero (or negligible) due to shut off via any problem or failure.

Typically, how much is the discharge flow rate of a PSV in a gas pipe line with the two approximate operating conditions as follows: Diameter: 12" pressure: 1000 psia and 400 psia (two cases) flow rate: 2 MMSCMD I have used API 520&521 but I do not know the value of discharge rate to be...

The remaining 1 perc is .95 Methane and .05 Propane. The assumptions are right!

Ethane, I'm sorry.

Dear Apetri Thank you for your time. Dear rotaryworld :) The gas contains about 99% methane and the flow rate is about 400000 tons per year.

Is it possible to compress ethane from 21 bar to 120 bar in one compression stage?? More overall, in your thoughts it is better to transport ethane in gas phase or dense phase? which one is more practical and common? What are the operating pressure and temperature?? Thank you for your time :)

Dear Apetri Thank you very much for your time and consideration :)

Dear Morten Thank you for your response I am using transient simulation in HYSYS and I know about the calculation mechanism. Exactly my problem is not in the simulation of the process. The problem is that the temperature at the end of pipeline in the case of a 20" orifice diameter (for full...

Do you say that the limiter is the orifice area?? The diameter of orifice area in my simulation is 20 inch. Is it practical?

I am working on depressurization of a natural gas pipeline. The length of the pipeline is 25 kilometers and the diameter is 56 inch. The pressure of the pipeline just before the depressurizing, is about 1000 psia and the temperature is 300 Kelvin. The natural gas is depressurizing to the...