Re: LPG to NG

Posted by Jon H on February 05, 2004 at 22:53:38 from (69.26.17.133):

In Reply to: LPG to NG posted by J Willis on February 05, 2004 at 22:09:03:

Propane will remain liquid at less than 200 psi at normal temperature. A gallon of liquid propane will make around 200 gallons of propane vapor,so you can carry a lot of fuel in a small tank. Compressed natural gas takes a very strong tank as you need to compress it to 3000+ psi to get any meaningfull amount of fuel in it. The only way to get anywhere near the amount of energy in a NG tank as compared to propane is to liquify NG. This takes an insulated tank capable of standing aprox 4-5000 psi. To liquify NG you need to cool it to more than 100 below 0 F and compress it to near 5000 psi. A tank of liquid NG has to be used as soon as it is filled,because it absorbes heat from it's surrondings, As the tank absorbes heat the LNG boils and will overpressure the tank untill it explodes unless the NG vapor is either used in an engine or vented.
Stick with propane unless you want to run a stationary engine off a NG line.

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• Re: Re: LPG to NG MarkB 03:13:15 02/06/04 (0)

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