Enhanced operation of LNG facility equipped with refluxed...

Details Enhanced operation of LNG facility equipped with refluxed... Enhanced operation of LNG facility equipped with refluxed...

2005-08-09

2005-08-09

Doerrler, William C. (Department: 3744)

Refrigeration

Cryogenic treatment of gas or gas mixture

Liquefaction

C062S628000, C062S623000

Reexamination Certificate

active

06925837

ABSTRACT:
Improved methodology for starting up a LNG facility employing a refluxed heavies removal column. The improved methodology involves varying the temperature of the feed to the heavies removal column between start-up and normal operation. This allows a larger amount of the stream produced from the top of the heavies removal column during start-up to be used to more rapidly start up the LNG facility.

REFERENCES:
patent: 4040806 (1977-08-01), Kennedy
patent: 4445916 (1984-05-01), Newton
patent: 5325673 (1994-07-01), Durr et al.
patent: 5615561 (1997-04-01), Houshmand et al.
patent: 6112549 (2000-09-01), Yao et al.
patent: 6401486 (2002-06-01), Lee et al.

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