Re: propane, was: ethanol

In <r5qsd5-gjn.ln1@[EMAIL PROTECTED]
> ebenZEROONE@[EMAIL PROTECTED]
 (Hactar)
writes:

>> Wow.  What is the typical molecular weight of LPG?

>Umm, why?  It's not an LPG leak that makes the CO (LPG doesn't come from
>coal any more), it's the byproduct of incomplete combustion.  A
>catalytic converter would remove some or all of the CO, but I don't know
>if forklifts generally have those.

>http://answers.yahoo.com/question/index?qid=20080406070136AALKdnI
>,--
>| Most LPG is mainly propane with a very very small amount of ethane
>| and butane.
>|
>| There are other versions of LPG that are mixes where there is a greater
>| amount of butane and in some cases primarily butane with a very very
>| small amount of propane.

>So mostly C3H8, mol. wt. 44 or so.  Maybe higher, depending on whether
>you have one of the "other versions" or not.

The wiki entry goes into more detail about the chemical breakdown
of LPG (Liquified Petroleaum Gas).

In the US, the common spec is the "HD-5" standard, for
a 95 percent propane, 5 percent other stuff.

In other places, though, it can be as high as 50-50 
and even 75-25 butane-propane. 

http://en.wikipedia.org/wiki/Propane

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