Low-temperature mixed--refrigerant for hydrogen precooling in large scale
AssigneeLinde Aktiengesellschaft
InventorsUmberto CARDELLA, Lutz DECKER, Harald KLEIN
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Abstract
The present invention relates to a refrigerant composition. According to the invention it is envisioned that the composition comprises comprising an inert gas selected from nitrogen, argon, neon and a mixture thereof, and a mixture of at least two C1-C5 hydrocarbons. The present invention further relates to the use of the refrigerant composition in a method for liquefying a gaseous substance, particularly hydrogen or helium.
Claims14
Refrigerant composition comprising four components, wherein a first component is nitrogen or nitrogen in a mixture with neon and/or argon, a second component is methane or argon, a third component is ethane or ethylene, and a fourth component is one of n-butane, isobutane, 1-butene, propane, propylene, n-pentane and isopentane.
Dependencies are inferred from the claim text.