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Process and system for liquefying natural gas

  • US 6,324,867 B1
  • Filed: 05/18/2000
  • Issued: 12/04/2001
  • Est. Priority Date: 06/15/1999
  • Status: Expired due to Term
First Claim
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1. A method for processing natural gas to produce liquefied natural gas, said method comprising the steps of:

  • (a) cooling said natural gas in one or more heat exchangers using a first refrigerant from a first refrigerant circuit in which said first refrigerant is compressed in a first compressor driven by a first gas turbine having a first inlet air stream; and

    (b) liquefying said natural gas using a second refrigerant, which second refrigerant is compressed in a second compressor driven by a second gas turbine having a second inlet air stream, wherein at least one of said first and second inlet air streams is cooled with said first refrigerant from said first refrigerant circuit.

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