PTX Technologies develops technology for Talbot Lake LNG Project


PTX Technologies Inc. has developed refrigeration/liquefication technology for the LNG market at the Talbot Lake LNG Project, located in northern Alberta. The technology is based on modified aqua-ammonia absorption technology.

 Aqua-ammonia, a mixture of water and ammonia, is pumped to pressure then heated to release ammonia vapour from the solution. The ammonia is then further concentrated through distillation and condensing to produce an ammonia refrigerant.

The new technology is capable of providing ammonia refrigerant chilling down to -75°c at a chiller operating pressure of 5 kPa absolute.

gasworld spoke to Colin Nikiforuk, President and CEO of PTX Technologies to find out more about the technology, “For LNG production the refrigeration of the natural gas is conducted at higher pressures than conventional liquefication process.”

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