Liquid petroleum gas

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Liquid petroleum gas (LPG) consists of propane, butane, and other gaseous hydrocarbons. It is a byproduct of refining natural gas and petroleum. LPG can be used for home and industrial heating, cooking, and as a fuel for motor vehicles.[1]

Background

Liquid petroleum gas (LPG) is extracted during oil and natural gas production and during crude oil refining. Approximately 60 percent of LPG is recovered during oil and natural gas production, and around 40 percent of LPG is produced during crude oil refining.[2][3]

While natural gas is composed mainly of methane, it also contains propane and butane, the two main forms of LPG. The LPG is separated out during natural gas production before natural gas is stored and transported. During oil refining, LPG accounts for between 1 and 4 percent of the refined crude oil, though this depends on the type of crude oil and the technology used at an oil refinery.[2][3]

The main forms of liquid petroleum gas are propane and butane. Propane is used to heat and cool homes, heat water, supply power to gas grills and outdoor lights, heat swimming pools and saunas, dry crops, and refrigerate food. Propane can also be used as a motor vehicle fuel. Butane is used as a propellant for household and industrial aerosols. It can also be used as a heating fuel and to manufacture various products.[4][5][6][7]

See also

Footnotes