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LNG Heating Tower

Before this technology was available, U.S. LNG facility operators had to use the natural gas they were storing and transporting as the heat source to reconvert LNG from its liquid form to gas. They were using their own raw materials that otherwise could be sold, as part of the regasification process. The heating tower uses ambient temperature air to heat the water. That warm water circulates back through a series of heat exchangers, and turns LNG from its liquid form – which is extremely cold at 200 degrees below zero (Fahrenheit) – into a gaseous state. The cold water returning from the LNG heat exchangers is recirculated back to the heating tower to begin the water-heating process all over again.