Liquid Petroleum Gas

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Liquid Petroleum Gas (LPG)[edit | edit source]

Liquid Petroleum Gas (LPG) is a flammable mixture of hydrocarbon gases used as fuel in heating appliances, cooking equipment, and vehicles. It is also used in industrial, commercial, agricultural, and heating applications. LPG is a clean, efficient, and portable energy source that is available globally. It primarily consists of propane, butane, or a mixture of these gases, and is known for its ability to liquefy under moderate pressure.

Composition and Properties[edit | edit source]

LPG is composed mainly of propane (C3H8) and butane (C4H10) gases in varying proportions, with propane being more commonly used in colder climates and butane in warmer regions. It has the unique property of becoming liquid when pressurized or cooled, significantly reducing its volume for ease of storage and transport.

Production[edit | edit source]

LPG is produced during natural gas processing and crude oil refining. In natural gas processing, it is separated from the unprocessed stream and, in crude oil refining, it is extracted during the fractional distillation process. The production of LPG is closely tied to the processing of these primary fuels.

Uses[edit | edit source]

  • Domestic: Used as fuel for cooking, heating, and water heating.
  • Commercial: Powers industrial ovens, kilns, furnaces, and machinery.
  • Agricultural: Fuel for irrigation pumps, grain dryers, and other farm equipment.
  • Automotive: Used as an alternative to gasoline and diesel in specially designed LPG vehicles.
  • Refrigeration: As a refrigerant in commercial and residential refrigerators.

Safety[edit | edit source]

While LPG is known for its efficiency and environmental benefits, it requires careful handling due to its flammability. Safety measures include:

  • Proper storage in specially designed tanks.
  • Installation of gas detectors in areas where LPG is used or stored.
  • Regular maintenance and inspection of equipment and appliances using LPG.

Environmental Impact[edit | edit source]

LPG burns more cleanly than coal or oil, producing fewer greenhouse gases and other pollutants. However, it is a fossil fuel, and its extraction and use contribute to CO2 emissions.

References[edit | edit source]


External Links[edit | edit source]


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Contributors: Prab R. Tumpati, MD