Improved ammonia plant

Details Improved ammonia plant Improved ammonia plant

C - Chemistry, Metallurgy

01

C

C01C 1/00 (2006.01) C01C 1/04 (2006.01) F25B 19/02 (2006.01) F25J 1/00 (2006.01)

Patent

CA 2574877

A synthesis plant (309A) includes a compression device (360A) that increases a pressure differential between the bottom product pressure of a cryogenic separator (340A) and the delivery pressure of the bottom product to a downstream plant component. Such increased pressure differential is employed to increase cooling in the separator (340A) to thereby significantly reduce the volume of excess air. In most preferred aspects, at least part of the energy required for the compression device is provided by expansion (320A) of the separator feed.

L'invention concerne une fabrication de synthèse qui comprend un dispositif de compression augmentant un différentiel de pression entre la pression du produit de fond d'un séparateur cryogénique et la pression d'administration du produit de fond sur un composant de fabrication en aval. Ce différentiel de pression augmenté est utilisé afin d'accroître le refroidissement dans le séparateur en vue de réduire de façon significative le volume d'air en excès. Dans des aspects préférés de l'invention, au moins une partie de l'énergie requise pour le dispositif de compression est alimentée par expansion de l'alimentation du séparateur.

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