LNG: Is 300 Pounds of LNG = 55,500 BTU's?

In summary, the conversation is about alternative fuels and an engineer's claim that there is 185 btus/lb inside a 100 gallon vehiculer tank, using a bureau of standard empathy (possibly enthalpy) chart. The person is confused about how a cryogenic liquid at -200F can have that much btu's, and questions the accuracy of the engineer's claim. They also mention their own research on the btu potential of LNG and ask for clarification on the term "standard empathy."
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sshim35563
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Hello I'm new to the forum. I was wondering if some people can help me in trying to get some answers.

I am involved in alternative fuels and it has come up where an engineer is telling me that there is 185btus/lb inside of a 100 gallon vehiculer tank. He is using a bueauro of standard empathy chart or something to get that number.

This confuses me because i don't understand how a cryogenic liquid that is about -200 F has that much btu's. in total, at a density of 3.0. There is 300 pounds of LNG and this =
55,500 btu's. Is this correct? From my research one gallon of LNG has the btu potential if burned of about 75,000 btu's.

I really think this engineer i am working with is blowing smoke up my butt, wondering if some people can shed some light on this.
 
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  • #2
What is "standard empathy" supposed to be. Do you mean enthalpy? Have you never heard of enthalpy?
 

FAQ: LNG: Is 300 Pounds of LNG = 55,500 BTU's?

How is LNG measured?

LNG is typically measured in terms of its mass, usually in pounds or kilograms.

What is the energy content of 300 pounds of LNG?

The energy content of LNG varies depending on its composition, but on average, 300 pounds of LNG contains approximately 55,500 BTUs (British Thermal Units).

How does the energy content of LNG compare to other fuels?

LNG has a higher energy content per unit mass compared to other commonly used fuels such as gasoline, diesel, and propane. However, it has a lower energy content compared to natural gas in its gaseous state.

Can LNG be converted into other forms of energy?

Yes, LNG can be converted into electricity through the use of power plants or used as a fuel for transportation through the use of LNG-powered vehicles.

Are there any environmental concerns associated with LNG?

Although LNG is a cleaner burning fuel compared to other fossil fuels, the process of extracting and transporting LNG can have environmental impacts. Additionally, the combustion of LNG still releases greenhouse gases and contributes to climate change.

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