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dociron
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Join Date: Oct 2007
Location: Layton NJ
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BTU's for oils

10/29/2007 10:48 PM

Can any one tell me the average BTU's per gallon for vegetable oils?
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The JMAN
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#1

Re: BTU's for oils

10/30/2007 9:06 AM

dociron,

raw vegetable yields approx. 130,000 BTU/gal
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MechanicOfNY
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Join Date: Apr 2007
Location: Sunken Meadow (nee Rattle Snake Swamp) L.I., N.Y., U.S.A.
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#2
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Re: BTU's for oils

10/31/2007 4:53 PM

I remember that the BTU content of most common fuel oils is roughly 140,000 BTU/gallon-US. This is in line with the 130,000 BTU/gal previously given.

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Keith E Bowers
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#3

Re: BTU's for oils

10/31/2007 9:31 PM

it depends somewhat on the source--how much oxygen is already in the oil's chemical make-up. Also on the carbon to hydrogen ratio. 'Heavy' petroleum runs about 20,000 BTU/#. "Lighter petroleum products like gasoline run about 16,500 BTU/# due primarily to more hydrogen atoms in the mixture. Each carbon atom will take on 2 oxygen atoms, while a hydrogen atom will take on only one-half oxygen atom. The 'oxidation' is what releases the heat of combustion.

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