Method of liquefying a hydrocarbon-rich fraction
AssigneeLinde Aktiengesellschaft
InventorHans SCHMIDT
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Abstract
For liquefying a hydrocarbon-rich fraction, in particular natural gas, the hydrocarbon-rich fraction which is to be liquefied is merely cooled and liquefied against a coolant mixture, and the coolant mixture, before its cooling, is separated into a gas phase and a liquid phase, and wherein the gas (5) and the liquid phases (6) are cooled (E) separately and not until after cooling (E) has been performed are they expanded (a, b) and recombined (8).
Claims12
A method comprising liquefying a hydrocarbon-rich fraction, in particular natural gas, wherein the hydrocarbon-rich fraction which is to be liquefied is cooled and liquefied against a coolant mixture, and the coolant mixture, before cooling, is separated in a separator (D) into a gas phase (5) and a liquid phase (6), the improvement wherein the gas phase (5) and the liquid phase (6) are cooled (E) separately and not until after cooling (E) has been performed are they expanded (a, b) and recombined.
Dependencies are inferred from the claim text.