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CO2 gas flow to liquid flow conversion

CO2 gas flow to liquid flow conversion

CO2 gas flow to liquid flow conversion

(OP)
I haven't done my conversion from gas flow to liquid flow in a long time...Can you help me out here? I need to convert 16503 MCFD of CO2 to a liquid flow in 8.625" pipe. The max. spec for the pressure is 2176 psi...You can use that as the pressure of the liquid-phase CO2 in the line in the calculation.
Thank you much.

RE: CO2 gas flow to liquid flow conversion

MCFD are thousand of cubic feet per day?
And you need to define also the conditions of temperature and pressure that you are using for this volumetric flow. Assuming standard, 1 atm and 60°F, CO2 liquid specific volume is 0.0197 lb/ft3. This is saturated CO2.
So:
16503 MSCFD x(1 lbmol/379.6 SCF) x (44 lb/lbmol)= 1,913 Mlb/day.
I have not at hand the compressibility of the liquid CO2, but I can imagine that the mentioned specific liquid volume (0.0197 lb/ft3) is more or less correct.
So, you have
1913 Mlb/day x (0.0197 ft3 liq CO2/lb) = 37,700 ft3 of liquid CO2 per day.
This is supposing that you have the CO2 at 60°F in your pipe.
The pipe diameter doesn't matter.
Have a safe day
J.Alvarez

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