Liquefied petroleum gas

Omera Storage Sphere

LPG cylinders

13-08-09-hongkong-by-RalfR-106

2011-2013 Ford Falcon (FG II) XT sedan, TriColor taxis (2017-04-22)

LPG tank cars passing through Bolton ON

Liquefied petroleum gas cylinders

Liquefied Petroleum Gas (LPG) is a flammable mixture of hydrocarbon gases used as fuel in heating appliances, cooking equipment, and vehicles. It is also used as an aerosol propellant and a refrigerant, replacing chlorofluorocarbons in an effort to reduce damage to the ozone layer. When specifically used as a vehicle fuel it is often referred to as autogas.

Composition

LPG is composed primarily of propane and butane, with small amounts of other hydrocarbons. The exact composition varies by country, depending on the type of raw gas available and the process used to liquefy the gas. LPG is colorless, odorless, and non-toxic, although an odorant, ethyl mercaptan, is added to help detect leaks.

Production

LPG is produced from natural gas processing and petroleum refining. During natural gas processing, LPG is separated from unprocessed natural gas using refrigeration. LPG can also be produced during the refining of crude oil. The LPG is separated from the crude oil in a gas trap, and then further purified.

Uses

LPG is widely used for cooking, heating, and hot water systems in homes that are not connected to the natural gas grid. It is also used in industrial applications, for power generation, and in agriculture. In the automotive sector, LPG is used as an alternative fuel for internal combustion engines. It is stored in pressurized tanks and can be transported and used virtually anywhere.

Safety

LPG is highly flammable, making it a potential safety hazard. Proper handling and storage are essential to prevent accidents. LPG storage tanks are designed to withstand high pressures and are equipped with safety valves. In the event of a leak, LPG will vaporize and can form an explosive mixture with air. Safety regulations require the use of odorants so that leaks can be detected by smell.

Environmental Impact

LPG burns more cleanly than coal or oil and has a lower carbon footprint, but it is still a fossil fuel that contributes to greenhouse gas emissions. However, when compared to other fossil fuels, LPG emits less carbon dioxide per unit of energy produced and virtually no particulate matter, making it a preferable choice in areas where air quality is a concern.

Regulations

The storage, handling, and transportation of LPG are subject to regulation by national and international bodies. These regulations are designed to ensure the safety of the public and the environment. They cover the design and maintenance of equipment, operational practices, and emergency procedures.

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