F - Mech Eng,Light,Heat,Weapons – 25 – J
Patent
F - Mech Eng,Light,Heat,Weapons
25
J
162/118
F25J 1/02 (2006.01)
Patent
CA 1142847
"Method of and system for liquefying a gas with low boiling temperature" ABSTRACT OF THE DISCLOSURE A process of and apparatus for liquefying a dry gas with low boiling point in a first circuit through heat exchange with a main refrigerating fluid in a second circuit itself pre-cooled to its at least partial liquefaction through heat exchange with an auxiliary refrigerating fluid in a third circuit, wherein, for a same amount of treated products, the required total compression input power for the refrigerating fluids is reduced by performing in said third circuit an intermediate condensation between the two last compression stages followed by a phase separation, the gaseous phase be- ing compressed to a high pressure in the last compression stage whereas the liquid phase is compressed to a high pres- sure by a pump and recycled to a cryogenic heat exchanger for cooling the gas initially in the moist state thereby at least partially drying same.
366230
Caetani Enzo
Paradowski Henri
Compagnie Francaise D'etudes Et de Construction Technip
Mcfadden Fincham
Snamprogetti S.p.a.
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