Cryogenic rectification system for producing high pressure nitrogen product

Kryogenisches Rektifikationsverfahren zur Herstellung vom Hochdruckstickstoff

Procédé de rectification cryogénique pour la production de l'azote à haute pression

Abstract

A cryogenic rectification system employing a coupled expander (113,213) and compressor (110,210) wherein a process stream employs system energy to drive the expander to compress product nitrogen (123,223) while generating refrigeration to assist in carrying out the rectification thereby carrying out the rectification at a lower pressure.

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Patent Citations (2)

    Publication numberPublication dateAssigneeTitle
    GB-1523434-AAugust 31, 1978Petrocarbon Dev LtdProduction of nitrogen
    JP-H01260283-AOctober 17, 1989Hitachi LtdAir separating device

NO-Patent Citations (1)

    Title
    PATENT ABSTRACTS OF JAPAN vol. 14, no. 19 (M-919)(3962) 16 January 1990 & JP-A-01 260 283 ( HITACHI LTD ) 17 October 1989

Cited By (1)

    Publication numberPublication dateAssigneeTitle
    EP-0710809-A1May 08, 1996L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges ClaudeProcédé et installation de détente et de compression d'au moins un flux gazeux