What Is Liquefied Natural Gas?


Quick Answer

Liquefied natural gas is an odorless liquid that is formed when natural gas is cooled to -260 degrees Fahrenheit. It is also non-toxic, and the liquefaction process shrinks the volume of the gas 600 times, which makes it easier to ship abroad.

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What Is Liquefied Natural Gas?
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Full Answer

Carbon dioxide, hydrogen sulfide and other components are removed before the gas is liquefied. The liquefaction process purges certain properties, such as helium, acid-based gases and water. LNG is usually comprised of 90 percent methane and trace amounts of butane, alkanes, nitrogen and propane. Liquefaction of the gas can give it a 100-percent methane purity rating. LNG can be turned into compressed natural gas for automobiles, and it is normally used to heat homes and generate electricity.

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