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Hydrate Formation Temperature With Prode

hydrate formation temperature prode software

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#1 Alpe

Alpe

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Posted 18 December 2019 - 03:03 AM

Hi, I am simulating different cases of hydrate formation (in natural gas streams) including SI and SII structures with the CPA Electrolyte model available in Prode Properties, I am not including SH structures as these are not common, according several papers,  do you have examples of  of  H (sH) formation in natural gas streams ?

Thanks.



#2 PaoloPemi

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Posted 18 December 2019 - 04:35 AM

it depends from composition, if your streams include  (relatively) heavy hydrocarbons such as nexohexane, cycloheptane etc. these can originate SH structures, however, as general rule, I can agree that it is not common to include these structures....



#3 marchem

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Posted 18 December 2019 - 09:42 AM

Alpe,

you can find data in books as Clathrate Hydrates of Natural Gases by Sloan,
 
many papers have been published on the subject , I have this
 
Structure H hydrate phase equilibria of paraffins, naphthenes, and olefins with methane by Mehta & Sloan
 
but many others available... are you looking for measured data
or wish to receive comments about inclusion of H structures in multiphase equilibria flash operation in Prode Properties ?


#4 Alpe

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Posted 27 December 2019 - 09:57 AM

thanks PaoloPemi and Marchem,

I am interested to know if it's a common practice to test for formation of H structures (in addition to I, II)






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