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Liquefied natural gas


Liquefied natural gas or LNG is natural gas (consisting primarily of methane, CH4) that has been converted into liquid form for ease of transport and storage. More simply put, it is the liquid form of the natural gas that people use in their homes for cooking and for heating,

A typical raw natural gas contains only about 80% methane and a number of higher boiling hydrocarbons as well as a number of impurities. Before it is liquefied, it is typically purified so as to remove the higher-boiling hydrocarbons and the impurities. The resultant liquefied natural gas contains about 95% or more methane and it is a clear, colorless and essentially odorless liquid which is neither corrosive nor toxic.[1][2]

LNG occupies only a very small fraction (1/600th) of the volume of natural gas and is therefore more economical to transport across large distances. It can also be stored in large quantities that would be impractical for storage as a gas.[1][2]


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