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wrote...
Valued Member
Posts: 350
6 days ago Edited: 6 days ago, prashantakerkar
https://en.wikipedia.org/wiki/Lighter

Can there be substituted or alternatives to Butane gas in Lighters?

Ex : Methane, Ethane,Propane,Pentane etc ?

If Yes, Which?
If No, Why?

Thanks & Regards,
Prashant S Akerkar
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wrote...
Educator
5 days ago
Remember that most ovens use natural gas as a fuel. Natural gas is a naturally occurring hydrocarbon gas mixture consisting primarily of methane, but commonly including varying amounts of other higher alkanes (including pentane), and sometimes a small percentage of carbon dioxide, nitrogen, hydrogen sulfide, or helium.

Probably the biggest drivers behind using methane as a fuel is that it is abundant in natural gas and is (currently) mostly useless as a chemical feedstock. Ethane makes up a few percent of natural gas and can also be obtained as byproducts of petroleum refining, but the big difference from methane is that ethane is extremely useful in chemical synthesis (mostly to make polyethylene). In fact, household natural gas often contains a bit of ethane, which may vary depending on the current demand for ethane as a feedstock. In short: it burns just as well, but ethane has other important uses.

Propane has some use as a feedstock, but it is an attractive fuel because it is easily stored as a liquid without requiring huge pressures.
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wrote...
Valued Member
5 days ago
Thanks.

So Can we use Methane, Ethane, Propane or Pentane gas as alternative to Butane gas in Lighters?

Which could be the Best Alternative Gas/es replacing Butane in Lighters?

Thanks & Regards,
Prashant S Akerkar
Answer accepted by topic starter
wrote...
Educator
Top Poster
Posts: 25105
5 days ago
Sign in or Sign up in seconds to unlock everything.
So Can we use Methane, Ethane, Propane or Pentane gas as alternative to Butane gas in Lighters?

Yes, we just tend to use what's more abundant naturally.

We use butane instead of propane in lighters because its vapour pressure is about ¼ that of propane. Vapour pressure is the pressure exerted by the vapour (gas), in equilibrium with the liquid, against the walls of the cylinder or other closed container at a given temperature. Therefore, butane is contained better than propane for example and is easily liquified. Unlike methane, which is a stubborn gas in normal pressure and temperature, butane turns into a liquid when compressed.
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wrote...
Valued Member
5 days ago
Thanks.

So propane gas could be the nearest best alternative or substitute to Butane gas in Lighters?

Thanks & Regards,
Prashant S Akerkar
wrote...
Educator
5 days ago Edited: 5 days ago, bio_man
Yes, especially if the vapor pressure is close to that of butane. Propane is used in bbq gas tanks also
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wrote...
Valued Member
5 days ago

Thanks.

https://en.wikipedia.org/wiki/Pentane

Can Pentane gas be evaluated for substituting Butane gas in Lighters?

Thanks & Regards,
Prashant S Akerkar
wrote...
Educator
4 days ago Edited: 4 days ago, bio_man
Pentane is a 5-carbon hydrocarbon. It's a larger molecule than butane (4-carbon linkage), so I'd assume it'd require more pressure to liquidize. Propane is more suited to colder environments since it evaporates at -44oF (-42oC) at atmospheric pressure. Butane evaporates at 33oF (0.6 oC) at atmospheric pressure. It's not a good alternative I'd think for a tiny lighter. Hope this helps!
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