Refrigeration – Cryogenic treatment of gas or gas mixture – Liquefaction
Patent
1994-11-08
1997-04-01
Kilner, Christopher
Refrigeration
Cryogenic treatment of gas or gas mixture
Liquefaction
62620, F25J 100
Patent
active
056155611
ABSTRACT:
A method and system for liquifying natural gas using a cryogenic process is described. The method is well suited for producing high methane purity natural gas which can be used as a vehicle fuel. The invention utilizes residue gas from a cryogenic plant as a natural gas feedstock. The natural gas feedstock is condensed by heat exchange with overhead gas from the demethanizer of the cryogenic plant. In the preferred embodiment of the invention the pressure of the condensed natural gas is reduced to a level at which it can be readily stored and transported by expansion through one or more Joule-Thomson valves.
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"LNG Supply", LNG Express, vol. IV, No. 1, pp. 1-4, Copyright 1994, Zeus Development Corporation.
Alves Gerald W.
Belhateche Noureddine
Houshmand Mory
Kruger Kimberly A.
Ostaszewski Ricardo
Christiansen Jon C.
Goodall Eleanor V.
Kilner Christopher
Williams Field Services Company
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