LNG See Liquefied natural gas

Liquefied gases. See also Liquefaction Cryogens and individual chemicals Liquefied Natural Gas (LNG), 263 physical properties, 295 precautions, 264, 292 vapour pressure, 294 Liquefied Petroleum Gas (LPG), 15, 287 hazards, 287 physical properties, 289 precautions, 292... 

Gas-to-liquids plants are generally located close to natural gas fields, as the transport costs for liquid fuels are less than those for gaseous fuels. The production of GTL is considered to be an alternative to liquefied natural gas (LNG), specifically when focusing on the end-product vehicle fuel and not the long distance transport of energy. In 1993, a first large-scale GTL plant was erected by Shell in Bintulu, Sarawak in Malaysia, based on Fischer-Tropsch synthesis. The plant s total thermal process efficiency is about 63% (Shell, 1995) (see Table 7.11) a second plant is under construction in Qatar, with production expected to begin in 2010. 

Conversion of natural gas (or other petroleum components) at the source to methanol, shipment as methanol, and reconversion of methanol into pipeline gas at point of use—versus the concept of liquefying natural gas and shipping LNG for regasification at point of use—probably will be a problem of some controversy for a number of years, pending assessment of actual system operating costs for both systems on a large-scale. See also Natural Gas. 

Supercooled means here temperature well below 0 depending of the gas to be liquefied, e.g. liquefied natural gas (LNG) is liquefied at about -160 °C, whereas Ethylene liquefies at about -100 °C, see Stopford (2009). 

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