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Regasification of liquefied natural gas

03.11.2014
Regasification of liquefied natural gas
Regasification of liquefied natural gas (LNG) - the process of converting LNG from liquid to gaseous state, after which it becomes suitable for normal use - supply to consumers through pipelines and pumping in gas cylinders.
LNG transportation in large volumes is carried by tankers. They deliver LNG to special regasification terminals, which consist of a maritime terminals, discharge jetty, storage tanks, evaporation system, evaporated gas processing plants from reservoirs and metering stations.
Upon arrival at the terminal LNG is pumped from tankers to storage tanks for storage in liquid form, then LNG is returned to its gaseous state as the need arises. Turning to the gas occurs in the evaporation system by heating. Heating can be carried out directly and indirectly. In the first case gas receives heat directly from hot coolant, in the second - heat is supplied to the gas through an intermediate heat transfer fluid heated by hot coolant. Fluid, the most commonly used as the hot coolant is sea water, as an intermediate heat transfer medium - propane.
In terms of LNG terminals capacity, as well as in terms of volume of LNG imports, leading country is Japan - 246 billion cubic meters a year as of 2010 data. The United States come second, more than 180 billion cubic meters per year (2010). Overall, in 2010 the total output of terminals exceeded 800 billion cubic meters.
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