Dual-refluxed heavies removal column in an lng facility

Details Dual-refluxed heavies removal column in an lng facility Dual-refluxed heavies removal column in an lng facility

F - Mech Eng,Light,Heat,Weapons

25

J

F25J 3/02 (2006.01)

Patent

CA 2702887

A liquefied natural gas facility employing a heavies removal column having multiple reflux streams. The reflux streams can have different compositions and can be operable to reduce the critical pressure of the fluids within the heavies removal column in order to permit the column to operate at higher pressures without adversely affecting the horsepower requirements of plant compressor/driver systems.

L'invention concerne une installation de gaz naturel liquéfié (GNL) comprenant une colonne d'élimination de minéraux lourds à courants de reflux multiples. Les courants de reflux peuvent présenter des compositions différentes et peuvent servir à réduire la pression critique des fluides dans la colonne d'élimination de minéraux lourds, de sorte que ladite colonne puisse fonctionner à des pressions supérieures sans que cela n'ait d'effets négatifs sur les besoins en puissance HP des systèmes compresseur/moteur d'entraînement de l'installation.

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