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Lpg Composition


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#1 leon_aurel


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Posted 21 June 2012 - 11:13 PM

Dear all,

Could anyone share the composition of LPG? Especially LPG from Pertamina Indonesia.
I need to know exactly the composition of propane, butane, iso-butane, and pentane.

But if anyone could share the composition of LPG in his/her own country, it will be very helpful.

Best regards.

#2 breizh


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Posted 22 June 2012 - 12:21 AM

Selamat sore,

Why don't you ask directly Pertamina ?


#3 leon_aurel


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Posted 22 June 2012 - 02:36 AM

Hi Breizh,

I have already read that article. I just want to check whether the butane is actually composed of n-butane and isobutane or just n-butane like in the article.

Why don't I ask Pertamina directly?
Because most of the time I have questions, I get answer from this forum faster that if I asked directly from related company/people.

Thank you for your reply though.

#4 Alexsandres


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Posted 04 July 2012 - 03:15 AM


Butane in LPG is actually composed by n-butane and isobutane. Pertamina regulation only for general specification of total C3&C4, but there is no limitation propane/butane/isobutane composition.

For your reference only, my plant is producing 45-65% propane, 14-20% n-butane and 17-30% isobutane. Plant is in Indonesia.

Hope that helps.

#5 ankur2061


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Posted 04 July 2012 - 03:38 PM


Some links below provide LPG composition specific to certain regions and companies:




Hope this helps.


Edited by ankur2061, 04 July 2012 - 03:38 PM.

#6 kkala


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Posted 04 July 2012 - 03:55 PM

- Example of actual Propane spec from National Gas, Oman (as well as of LPG), can be seen in http://www.nationalgasco.net/AboutLPG/SpecificationSheets/tabid/78/Default.aspx.
- Another example for Propane or Butane (of Russian origin) can be seen in http://www.hesb-oilgas.com.my/images/LPG.pdf.
- Googling "LPG specifications" you may find additional specifications from other countries.

Edited by kkala, 04 July 2012 - 10:08 PM.

#7 leon_aurel


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Posted 16 July 2012 - 03:18 AM

Alexsandres, Ankur, and Kkala,

Thank you so much for the information. :)

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