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Prode Hydrate Formation Conditions
#1
Posted 06 January 2015 - 04:50 PM
#2
Posted 06 January 2015 - 05:22 PM
according my experience if you select model 1
Prode Properties calculates the lowest formation pressure (including structures I, II, H)
With Prode I adopt that model (1) to verify if hydrates can form at some (specified) conditions.
Note that when free water is not present (you must include water in composition )
the procedure (may) calculate high values for equilibrium pressure.
Edited by twell, 06 January 2015 - 05:23 PM.
#3
Posted 19 January 2015 - 04:50 AM
thanks !
Can you provide the list of inhibitors supported by Prode Hydrate model ?
#4
Posted 20 January 2015 - 03:23 AM
bponcet,
as in other software (see Clathrate Hydrates of Natural Gases, Third Edition for details about the procedure)
Prode solves a multiphase flash operation, it doesn't correct with a correlation such as Hammerschmidt,
this means that you can include as inhibitor any chemical whose properties are stored in the software's databank
Some points to consider :
1) for salts you would need a version of Prode which includes a electrolyte thermodynamic model
2) you may observe different values for hydrate temperature depression calculated by the different models available in Prode (CPA-PR, Peng Robinson NRTL, Peng Robinson UNIQUAC etc.),
according my experience calculated values are conservative.
Edited by serra, 20 January 2015 - 03:24 AM.
#5
Posted 30 January 2015 - 06:33 AM
thanks serra,
I did suppose the procedure in Prode adopted some correlation with a predefined number of inhibitors
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